FELIX-5073: dependency-reduced-pom support; remove embedded items from pom.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1710330 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/tools/maven-bundle-plugin/pom.xml b/tools/maven-bundle-plugin/pom.xml
index d3efcf9..344d718 100644
--- a/tools/maven-bundle-plugin/pom.xml
+++ b/tools/maven-bundle-plugin/pom.xml
@@ -151,6 +151,11 @@
    <version>1.1</version>
    <scope>test</scope>
   </dependency>
+  <dependency>
+   <groupId>org.jdom</groupId>
+   <artifactId>jdom</artifactId>
+   <version>1.1</version>
+  </dependency>
  </dependencies>
 
  <reporting>
diff --git a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/BundlePlugin.java b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/BundlePlugin.java
index 058d150..3e78a5f 100644
--- a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/BundlePlugin.java
+++ b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/BundlePlugin.java
@@ -25,6 +25,7 @@
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.Writer;
 import java.lang.reflect.Array;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -45,12 +46,20 @@
 import java.util.jar.Attributes;
 import java.util.jar.Manifest;
 
+import org.apache.felix.bundleplugin.pom.PomWriter;
 import org.apache.maven.archiver.ManifestSection;
 import org.apache.maven.archiver.MavenArchiveConfiguration;
 import org.apache.maven.archiver.MavenArchiver;
 import org.apache.maven.artifact.Artifact;
+import org.apache.maven.artifact.factory.ArtifactFactory;
 import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
+import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
+import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.artifact.resolver.ArtifactCollector;
+import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.execution.MavenSession;
+import org.apache.maven.model.Dependency;
+import org.apache.maven.model.Exclusion;
 import org.apache.maven.model.License;
 import org.apache.maven.model.Model;
 import org.apache.maven.model.Resource;
@@ -64,10 +73,14 @@
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.annotations.ResolutionScope;
 import org.apache.maven.project.MavenProject;
+import org.apache.maven.project.MavenProjectBuilder;
 import org.apache.maven.project.MavenProjectHelper;
+import org.apache.maven.project.ProjectBuildingException;
 import org.apache.maven.shared.dependency.graph.DependencyGraphBuilder;
 import org.apache.maven.shared.dependency.graph.DependencyGraphBuilderException;
 import org.apache.maven.shared.dependency.graph.DependencyNode;
+import org.apache.maven.shared.dependency.tree.DependencyTreeBuilder;
+import org.apache.maven.shared.dependency.tree.DependencyTreeBuilderException;
 import org.apache.maven.shared.osgi.DefaultMaven2OsgiConverter;
 import org.apache.maven.shared.osgi.Maven2OsgiConverter;
 import org.codehaus.plexus.archiver.UnArchiver;
@@ -94,6 +107,7 @@
 import aQute.lib.collections.ExtList;
 import aQute.lib.spring.SpringXMLType;
 import aQute.libg.generics.Create;
+import org.codehaus.plexus.util.WriterFactory;
 
 
 /**
@@ -161,6 +175,20 @@
     @Parameter
     protected String packaging;
 
+    /**
+     * If true, remove any inlined or embedded dependencies from the resulting pom.
+     */
+    @Parameter
+    protected boolean createDependencyReducedPom;
+
+    /**
+     * Where to put the dependency reduced pom. Note: setting a value for this parameter with a directory other than
+     * ${basedir} will change the value of ${basedir} for all executions that come after the shade execution. This is
+     * often not what you want. This is considered an open issue with this plugin.
+     */
+    @Parameter( defaultValue = "${basedir}/dependency-reduced-pom.xml" )
+    protected File dependencyReducedPomLocation;
+
     @Component
     private MavenProjectHelper m_projectHelper;
 
@@ -171,14 +199,66 @@
     private ArtifactHandlerManager m_artifactHandlerManager;
 
     @Component
-    private DependencyGraphBuilder m_dependencyGraphBuilder;
+    protected DependencyGraphBuilder m_dependencyGraphBuilder;
+
+    /* The current Maven session.  */
+    @Parameter( defaultValue = "${session}", readonly = true )
+    protected MavenSession session;
+
+
+    /**
+     * ProjectBuilder, needed to create projects from the artifacts.
+     */
+    @Component
+    protected MavenProjectBuilder mavenProjectBuilder;
+
+    @Component
+    private DependencyTreeBuilder dependencyTreeBuilder;
+
+    /**
+     * The dependency graph builder to use.
+     */
+    @Component
+    protected DependencyGraphBuilder dependencyGraphBuilder;
+
+    @Component
+    private ArtifactMetadataSource artifactMetadataSource;
+
+    @Component
+    private ArtifactCollector artifactCollector;
+
+    @Component
+    protected ArtifactFactory artifactFactory;
+
+    /**
+     * Artifact resolver, needed to download source jars for inclusion in classpath.
+     *
+     * @component
+     * @required
+     * @readonly
+     */
+    protected ArtifactResolver artifactResolver;
+
+
+    /**
+     * Local maven repository.
+     */
+    @Parameter( readonly = true, required = true, defaultValue = "${localRepository}" )
+    protected ArtifactRepository localRepository;
+
+    /**
+     * Remote repositories which will be searched for source attachments.
+     */
+    @Parameter( readonly = true, required = true, defaultValue = "${project.remoteArtifactRepositories}" )
+    protected List<ArtifactRepository> remoteArtifactRepositories;
+
+
 
     /**
      * Project types which this plugin supports.
      */
     @Parameter
-    protected List<String> supportedProjectTypes = Arrays.asList( new String[]
-        { "jar", "bundle" } );
+    protected List<String> supportedProjectTypes = Arrays.asList("jar", "bundle");
 
     /**
      * The directory for the generated bundles.
@@ -613,7 +693,20 @@
 
         // update BND instructions to embed selected Maven dependencies
         Collection<Artifact> embeddableArtifacts = getEmbeddableArtifacts( currentProject, dependencyGraph, builder );
-        new DependencyEmbedder( getLog(), dependencyGraph, embeddableArtifacts ).processHeaders(builder);
+        DependencyEmbedder dependencyEmbedder = new DependencyEmbedder(getLog(), dependencyGraph, embeddableArtifacts);
+        dependencyEmbedder.processHeaders(builder);
+
+        Collection<Artifact> embeddedArtifacts = dependencyEmbedder.getEmbeddedArtifacts();
+        if ( !embeddedArtifacts.isEmpty() && createDependencyReducedPom )
+        {
+            Set<String> embeddedIds = new HashSet<String>();
+            for ( Artifact artifact : embeddedArtifacts )
+            {
+                embeddedIds.add( getId( artifact ) );
+            }
+            createDependencyReducedPom( embeddedIds );
+
+        }
 
         if ( dumpInstructions != null || getLog().isDebugEnabled() )
         {
@@ -627,6 +720,8 @@
             }
         }
 
+
+
         if ( dumpClasspath != null || getLog().isDebugEnabled() )
         {
             StringBuilder buf = new StringBuilder();
@@ -641,6 +736,213 @@
     }
 
 
+    // We need to find the direct dependencies that have been included in the uber JAR so that we can modify the
+    // POM accordingly.
+    private void createDependencyReducedPom( Set<String> artifactsToRemove )
+            throws IOException, DependencyTreeBuilderException, ProjectBuildingException
+    {
+        Model model = project.getOriginalModel();
+        List<Dependency> dependencies = new ArrayList<Dependency>();
+
+        boolean modified = false;
+
+        List<Dependency> transitiveDeps = new ArrayList<Dependency>();
+
+        for ( Iterator it = project.getArtifacts().iterator(); it.hasNext(); )
+        {
+            Artifact artifact = (Artifact) it.next();
+
+            if ( "pom".equals( artifact.getType() ) )
+            {
+                // don't include pom type dependencies in dependency reduced pom
+                continue;
+            }
+
+            //promote
+            Dependency dep = new Dependency();
+            dep.setArtifactId( artifact.getArtifactId() );
+            if ( artifact.hasClassifier() )
+            {
+                dep.setClassifier( artifact.getClassifier() );
+            }
+            dep.setGroupId( artifact.getGroupId() );
+            dep.setOptional( artifact.isOptional() );
+            dep.setScope( artifact.getScope() );
+            dep.setType( artifact.getType() );
+            dep.setVersion( artifact.getVersion() );
+
+            //we'll figure out the exclusions in a bit.
+
+            transitiveDeps.add( dep );
+        }
+        List<Dependency> origDeps = project.getDependencies();
+
+        for ( Iterator<Dependency> i = origDeps.iterator(); i.hasNext(); )
+        {
+            Dependency d = i.next();
+
+            dependencies.add( d );
+
+            String id = getId( d );
+
+            if ( artifactsToRemove.contains( id ) )
+            {
+                modified = true;
+
+                dependencies.remove( d );
+            }
+        }
+
+        // Check to see if we have a reduction and if so rewrite the POM.
+        if ( modified )
+        {
+            while ( modified )
+            {
+
+                model.setDependencies( dependencies );
+
+                if ( dependencyReducedPomLocation == null )
+                {
+                    // MSHADE-123: We can't default to 'target' because it messes up uses of ${project.basedir}
+                    dependencyReducedPomLocation = new File ( project.getBasedir(), "dependency-reduced-pom.xml" );
+                }
+
+                File f = dependencyReducedPomLocation;
+                if ( f.exists() )
+                {
+                    f.delete();
+                }
+
+                Writer w = WriterFactory.newXmlWriter( f );
+
+                String origRelativePath = null;
+                String replaceRelativePath = null;
+                if ( model.getParent() != null)
+                {
+                    origRelativePath = model.getParent().getRelativePath();
+
+                }
+                replaceRelativePath = origRelativePath;
+
+                if ( origRelativePath == null )
+                {
+                    origRelativePath = "../pom.xml";
+                }
+
+                if ( model.getParent() != null )
+                {
+                    File parentFile = new File( project.getBasedir(), model.getParent().getRelativePath() ).getCanonicalFile();
+                    if ( !parentFile.isFile() )
+                    {
+                        parentFile = new File( parentFile, "pom.xml");
+                    }
+
+                    parentFile = parentFile.getCanonicalFile();
+
+                    String relPath = RelativizePath.convertToRelativePath( parentFile, f );
+                    model.getParent().setRelativePath( relPath );
+                }
+
+                try
+                {
+                    PomWriter.write( w, model, true );
+                }
+                finally
+                {
+                    if ( model.getParent() != null )
+                    {
+                        model.getParent().setRelativePath( replaceRelativePath );
+                    }
+                    w.close();
+                }
+
+                MavenProject p2 = mavenProjectBuilder.build( f, localRepository, null );
+                modified = updateExcludesInDeps( p2, dependencies, transitiveDeps );
+
+            }
+
+            project.setFile( dependencyReducedPomLocation );
+        }
+    }
+
+    private String getId( Artifact artifact )
+    {
+        return getId( artifact.getGroupId(), artifact.getArtifactId(), artifact.getType(), artifact.getClassifier() );
+    }
+
+    private String getId( Dependency dependency )
+    {
+        return getId( dependency.getGroupId(), dependency.getArtifactId(), dependency.getType(),
+                dependency.getClassifier() );
+    }
+
+    private String getId( String groupId, String artifactId, String type, String classifier )
+    {
+        return groupId + ":" + artifactId + ":" + type + ":" + ( ( classifier != null ) ? classifier : "" );
+    }
+
+    public boolean updateExcludesInDeps( MavenProject project, List<Dependency> dependencies, List<Dependency> transitiveDeps )
+            throws DependencyTreeBuilderException
+    {
+        org.apache.maven.shared.dependency.tree.DependencyNode node = dependencyTreeBuilder.buildDependencyTree(project, localRepository, artifactFactory,
+                artifactMetadataSource, null,
+                artifactCollector);
+        boolean modified = false;
+        Iterator it = node.getChildren().listIterator();
+        while ( it.hasNext() )
+        {
+            org.apache.maven.shared.dependency.tree.DependencyNode n2 = (org.apache.maven.shared.dependency.tree.DependencyNode) it.next();
+            Iterator it2 = n2.getChildren().listIterator();
+            while ( it2.hasNext() )
+            {
+                org.apache.maven.shared.dependency.tree.DependencyNode n3 = (org.apache.maven.shared.dependency.tree.DependencyNode) it2.next();
+                //anything two levels deep that is marked "included"
+                //is stuff that was excluded by the original poms, make sure it
+                //remains excluded IF promoting transitives.
+                if ( n3.getState() == org.apache.maven.shared.dependency.tree.DependencyNode.INCLUDED )
+                {
+                    //check if it really isn't in the list of original dependencies.  Maven
+                    //prior to 2.0.8 may grab versions from transients instead of
+                    //from the direct deps in which case they would be marked included
+                    //instead of OMITTED_FOR_DUPLICATE
+
+                    //also, if not promoting the transitives, level 2's would be included
+                    boolean found = false;
+                    for ( int x = 0; x < transitiveDeps.size(); x++ )
+                    {
+                        Dependency dep = transitiveDeps.get( x );
+                        if ( dep.getArtifactId().equals( n3.getArtifact().getArtifactId() ) && dep.getGroupId().equals(
+                                n3.getArtifact().getGroupId() ) )
+                        {
+                            found = true;
+                        }
+
+                    }
+
+                    if ( !found )
+                    {
+                        for ( int x = 0; x < dependencies.size(); x++ )
+                        {
+                            Dependency dep = dependencies.get( x );
+                            if ( dep.getArtifactId().equals( n2.getArtifact().getArtifactId() )
+                                    && dep.getGroupId().equals( n2.getArtifact().getGroupId() ) )
+                            {
+                                Exclusion exclusion = new Exclusion();
+                                exclusion.setArtifactId( n3.getArtifact().getArtifactId() );
+                                exclusion.setGroupId( n3.getArtifact().getGroupId() );
+                                dep.addExclusion( exclusion );
+                                modified = true;
+                                break;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        return modified;
+    }
+
+
     protected Builder buildOSGiBundle( MavenProject currentProject, DependencyNode dependencyGraph, Map<String, String> originalInstructions, Properties properties,
         Jar[] classpath ) throws Exception
     {
diff --git a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/DependencyEmbedder.java b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/DependencyEmbedder.java
index 97e91d1..aa1c80c 100644
--- a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/DependencyEmbedder.java
+++ b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/DependencyEmbedder.java
@@ -73,7 +73,6 @@
         m_embeddedArtifacts = new LinkedHashSet<Artifact>();
     }
 
-
     public void processHeaders( Analyzer analyzer ) throws MojoExecutionException
     {
         StringBuffer includeResource = new StringBuffer();
diff --git a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/RelativizePath.java b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/RelativizePath.java
new file mode 100644
index 0000000..dd35b0a
--- /dev/null
+++ b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/RelativizePath.java
@@ -0,0 +1,111 @@
+package org.apache.felix.bundleplugin;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ *
+ */
+public final class RelativizePath
+{
+    private RelativizePath()
+    {
+        //
+    }
+
+    /**
+     * relativize a pathname. 
+     * @param thing Absolute File of something. (e.g., a parent pom)
+     * @param relativeTo base to relativize it do. (e.g., a pom into which a relative pathname to the 'thing' is to be
+     *        installed).
+     * @return
+     */
+    static String convertToRelativePath( File thing, File relativeTo )
+    {
+        StringBuilder relativePath;
+
+        if ( thing.getParentFile().equals( relativeTo.getParentFile() ) )
+        {
+            return thing.getName(); // a very simple relative path.
+        }
+        
+        List<String> thingDirectories = RelativizePath.parentDirs( thing );
+        List<String> relativeToDirectories = RelativizePath.parentDirs( relativeTo );
+    
+        //Get the shortest of the two paths
+        int length =
+            thingDirectories.size() < relativeToDirectories.size() ? thingDirectories.size()
+                            : relativeToDirectories.size();
+    
+        int lastCommonRoot = -1; // index of the lowest directory down from the root that the two have in common.
+        int index;
+    
+        //Find common root
+        for ( index = 0; index < length; index++ ) 
+        {
+            if ( thingDirectories.get( index ).equals( relativeToDirectories.get( index ) ) )
+            {
+                lastCommonRoot = index;
+            }
+            else
+            {
+                break;
+            }
+        }
+        if ( lastCommonRoot != -1 )
+        { // possible on Windows or other multi-root cases.
+            // Build up the relative path
+            relativePath = new StringBuilder();
+            // add ..'s to get from the base up to the common point
+            for ( index = lastCommonRoot + 1; index < relativeToDirectories.size(); index++ ) 
+            {
+                relativePath.append( "../" );
+            }
+            
+            // now add down from the common point to the actual 'thing' item. 
+            for ( index = lastCommonRoot + 1; index < thingDirectories.size(); index++ ) 
+            {
+                relativePath.append( thingDirectories.get( index ) ).append( '/' );
+            }
+            relativePath.append( thing.getName() );
+            return relativePath.toString();
+        }
+        return null;
+    }
+
+    static List<String> parentDirs( File of )
+    {
+        List<String> results = new ArrayList<String>();
+        for ( File p = of.getParentFile() ; p != null ; p = p.getParentFile() )
+        {
+            if ( !"".equals( p.getName() ) )
+            {
+                results.add( p.getName() );
+            }
+        }
+        
+        Collections.reverse( results );
+        return results;
+    }
+}
diff --git a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/Counter.java b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/Counter.java
new file mode 100644
index 0000000..b58b7ff
--- /dev/null
+++ b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/Counter.java
@@ -0,0 +1,79 @@
+package org.apache.felix.bundleplugin.pom;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * Separate class for counter.
+ */
+public class Counter
+{
+
+    // --------------------------/
+    // - Class/Member Variables -/
+    // --------------------------/
+
+    /**
+     * Field currentIndex
+     */
+    private int currentIndex = 0;
+
+    /**
+     * Field level
+     */
+    private int level;
+
+    // ----------------/
+    // - Constructors -/
+    // ----------------/
+
+    public Counter( int depthLevel )
+    {
+        level = depthLevel;
+    } // -- org.apache.maven.model.io.jdom.Counter(int)
+
+    // -----------/
+    // - Methods -/
+    // -----------/
+
+    /**
+     * Method getCurrentIndex
+     */
+    public int getCurrentIndex()
+    {
+        return currentIndex;
+    } // -- int getCurrentIndex()
+
+    /**
+     * Method getDepth
+     */
+    public int getDepth()
+    {
+        return level;
+    } // -- int getDepth()
+
+    /**
+     * Method increaseCount
+     */
+    public void increaseCount()
+    {
+        currentIndex = currentIndex + 1;
+    } // -- void increaseCount()
+
+}
diff --git a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/MavenJDOMWriter.java b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/MavenJDOMWriter.java
new file mode 100644
index 0000000..3ec9898
--- /dev/null
+++ b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/MavenJDOMWriter.java
@@ -0,0 +1,2196 @@
+package org.apache.felix.bundleplugin.pom;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.apache.maven.model.ActivationFile;
+import org.apache.maven.model.ActivationOS;
+import org.apache.maven.model.ActivationProperty;
+import org.apache.maven.model.Build;
+import org.apache.maven.model.BuildBase;
+import org.apache.maven.model.CiManagement;
+import org.apache.maven.model.ConfigurationContainer;
+import org.apache.maven.model.Contributor;
+import org.apache.maven.model.Dependency;
+import org.apache.maven.model.DependencyManagement;
+import org.apache.maven.model.DeploymentRepository;
+import org.apache.maven.model.Developer;
+import org.apache.maven.model.DistributionManagement;
+import org.apache.maven.model.Exclusion;
+import org.apache.maven.model.Extension;
+import org.apache.maven.model.FileSet;
+import org.apache.maven.model.IssueManagement;
+import org.apache.maven.model.License;
+import org.apache.maven.model.MailingList;
+import org.apache.maven.model.Model;
+import org.apache.maven.model.ModelBase;
+import org.apache.maven.model.Notifier;
+import org.apache.maven.model.Organization;
+import org.apache.maven.model.Parent;
+import org.apache.maven.model.PatternSet;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.PluginConfiguration;
+import org.apache.maven.model.PluginContainer;
+import org.apache.maven.model.PluginExecution;
+import org.apache.maven.model.PluginManagement;
+import org.apache.maven.model.Prerequisites;
+import org.apache.maven.model.Profile;
+import org.apache.maven.model.Relocation;
+import org.apache.maven.model.ReportPlugin;
+import org.apache.maven.model.ReportSet;
+import org.apache.maven.model.Reporting;
+import org.apache.maven.model.Repository;
+import org.apache.maven.model.RepositoryBase;
+import org.apache.maven.model.RepositoryPolicy;
+import org.apache.maven.model.Resource;
+import org.apache.maven.model.Scm;
+import org.apache.maven.model.Site;
+import org.codehaus.plexus.util.xml.Xpp3Dom;
+import org.jdom.Content;
+import org.jdom.DefaultJDOMFactory;
+import org.jdom.Document;
+import org.jdom.Element;
+import org.jdom.Text;
+import org.jdom.output.Format;
+import org.jdom.output.XMLOutputter;
+
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Class MavenJDOMWriter.
+ *
+ * @version $Revision: 1682559 $ $Date: 2015-05-29 18:04:04 -0400 (Fri, 29 May 2015) $
+ */
+public class MavenJDOMWriter
+{
+    /**
+     * Field factory
+     */
+    private DefaultJDOMFactory factory;
+
+    /**
+     * Field lineSeparator
+     */
+    private String lineSeparator;
+
+    public MavenJDOMWriter()
+    {
+        factory = new DefaultJDOMFactory();
+        lineSeparator = "\n";
+    } // -- org.apache.maven.model.io.jdom.MavenJDOMWriter()
+
+    /**
+     * Method findAndReplaceProperties
+     *
+     * @param counter
+     * @param props
+     * @param name
+     * @param parent
+     */
+    protected Element findAndReplaceProperties( Counter counter, Element parent, String name, Map props )
+    {
+        boolean shouldExist = props != null && !props.isEmpty();
+        Element element = updateElement( counter, parent, name, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCounter = new Counter( counter.getDepth() + 1 );
+            // while ( it.hasNext() )
+            for ( Map.Entry<String, String> entry : ( (Map<String, String>) props ).entrySet() )
+            {
+                String key = entry.getKey();
+                findAndReplaceSimpleElement( innerCounter, element, key, entry.getValue(), null );
+            }
+            List lst = new ArrayList( props.keySet() );
+            Iterator it = element.getChildren().iterator();
+            while ( it.hasNext() )
+            {
+                Element elem = (Element) it.next();
+                String key = elem.getName();
+                if ( !lst.contains( key ) )
+                {
+                    it.remove();
+                }
+            }
+        }
+        return element;
+    } // -- Element findAndReplaceProperties(Counter, Element, String, Map)
+
+    /**
+     * Method findAndReplaceSimpleElement
+     *
+     * @param counter
+     * @param defaultValue
+     * @param text
+     * @param name
+     * @param parent
+     */
+    protected Element findAndReplaceSimpleElement( Counter counter, Element parent, String name, String text,
+                                                   String defaultValue )
+    {
+        if ( defaultValue != null && text != null && defaultValue.equals( text ) )
+        {
+            Element element = parent.getChild( name, parent.getNamespace() );
+            // if exist and is default value or if doesn't exist.. just keep the way it is..
+            if ( ( element != null && defaultValue.equals( element.getText() ) ) || element == null )
+            {
+                return element;
+            }
+        }
+        boolean shouldExist = text != null && text.trim().length() > 0;
+        Element element = updateElement( counter, parent, name, shouldExist );
+        if ( shouldExist )
+        {
+            element.setText( text );
+        }
+        return element;
+    } // -- Element findAndReplaceSimpleElement(Counter, Element, String, String, String)
+
+    /**
+     * Method findAndReplaceSimpleLists
+     *
+     * @param counter
+     * @param childName
+     * @param parentName
+     * @param list
+     * @param parent
+     */
+    protected Element findAndReplaceSimpleLists( Counter counter, Element parent, Collection list,
+                                                 String parentName, String childName )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentName, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childName, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                String value = (String) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childName, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                el.setText( value );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+        return element;
+    } // -- Element findAndReplaceSimpleLists(Counter, Element, java.util.Collection, String, String)
+
+    /**
+     * Method findAndReplaceXpp3DOM
+     *
+     * @param counter
+     * @param dom
+     * @param name
+     * @param parent
+     */
+    protected Element findAndReplaceXpp3DOM( Counter counter, Element parent, String name, Xpp3Dom dom )
+    {
+        boolean shouldExist = dom != null && ( dom.getChildCount() > 0 || dom.getValue() != null );
+        Element element = updateElement( counter, parent, name, shouldExist );
+        if ( shouldExist )
+        {
+            replaceXpp3DOM( element, dom, new Counter( counter.getDepth() + 1 ) );
+        }
+        return element;
+    } // -- Element findAndReplaceXpp3DOM(Counter, Element, String, Xpp3Dom)
+
+    /**
+     * Method insertAtPreferredLocation
+     *
+     * @param parent
+     * @param counter
+     * @param child
+     */
+    protected void insertAtPreferredLocation( Element parent, Element child, Counter counter )
+    {
+        int contentIndex = 0;
+        int elementCounter = 0;
+        Iterator it = parent.getContent().iterator();
+        Text lastText = null;
+        int offset = 0;
+        while ( it.hasNext() && elementCounter <= counter.getCurrentIndex() )
+        {
+            Object next = it.next();
+            offset = offset + 1;
+            if ( next instanceof Element )
+            {
+                elementCounter = elementCounter + 1;
+                contentIndex = contentIndex + offset;
+                offset = 0;
+            }
+            if ( next instanceof Text && it.hasNext() )
+            {
+                lastText = (Text) next;
+            }
+        }
+        if ( lastText != null && lastText.getTextTrim().length() == 0 )
+        {
+            lastText = (Text) lastText.clone();
+        }
+        else
+        {
+            String starter = lineSeparator;
+            for ( int i = 0; i < counter.getDepth(); i++ )
+            {
+                starter = starter + "    "; // TODO make settable?
+            }
+            lastText = factory.text( starter );
+        }
+        if ( parent.getContentSize() == 0 )
+        {
+            Text finalText = (Text) lastText.clone();
+            finalText.setText( finalText.getText().substring( 0, finalText.getText().length() - "    ".length() ) );
+            parent.addContent( contentIndex, finalText );
+        }
+        parent.addContent( contentIndex, child );
+        parent.addContent( contentIndex, lastText );
+    } // -- void insertAtPreferredLocation(Element, Element, Counter)
+
+    /**
+     * Method iterateContributor
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateContributor( Counter counter, Element parent, Collection list,
+                                       String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Contributor value = (Contributor) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateContributor( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateContributor(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateDependency
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateDependency( Counter counter, Element parent, Collection list,
+                                      String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Dependency value = (Dependency) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateDependency( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateDependency(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateDeveloper
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateDeveloper( Counter counter, Element parent, Collection list,
+                                     String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Developer value = (Developer) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateDeveloper( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateDeveloper(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateExclusion
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateExclusion( Counter counter, Element parent, Collection list,
+                                     String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Exclusion value = (Exclusion) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateExclusion( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateExclusion(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateExtension
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateExtension( Counter counter, Element parent, Collection list,
+                                     String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Extension value = (Extension) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateExtension( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateExtension(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateLicense
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateLicense( Counter counter, Element parent, Collection list,
+                                   String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                License value = (License) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateLicense( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateLicense(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateMailingList
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateMailingList( Counter counter, Element parent, Collection list,
+                                       String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                MailingList value = (MailingList) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateMailingList( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateMailingList(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateNotifier
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateNotifier( Counter counter, Element parent, Collection list,
+                                    String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Notifier value = (Notifier) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateNotifier( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateNotifier(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iteratePlugin
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iteratePlugin( Counter counter, Element parent, Collection list,
+                                  String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Plugin value = (Plugin) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updatePlugin( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iteratePlugin(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iteratePluginExecution
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iteratePluginExecution( Counter counter, Element parent, Collection list,
+                                           String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                PluginExecution value = (PluginExecution) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updatePluginExecution( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iteratePluginExecution(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateProfile
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateProfile( Counter counter, Element parent, Collection list,
+                                   String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Profile value = (Profile) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateProfile( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateProfile(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateReportPlugin
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateReportPlugin( Counter counter, Element parent, Collection list,
+                                        String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                ReportPlugin value = (ReportPlugin) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateReportPlugin( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateReportPlugin(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateReportSet
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateReportSet( Counter counter, Element parent, Collection list,
+                                     String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                ReportSet value = (ReportSet) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateReportSet( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateReportSet(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateRepository
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateRepository( Counter counter, Element parent, Collection list,
+                                      String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Repository value = (Repository) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateRepository( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateRepository(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method iterateResource
+     *
+     * @param counter
+     * @param childTag
+     * @param parentTag
+     * @param list
+     * @param parent
+     */
+    protected void iterateResource( Counter counter, Element parent, Collection list,
+                                    String parentTag, String childTag )
+    {
+        boolean shouldExist = list != null && list.size() > 0;
+        Element element = updateElement( counter, parent, parentTag, shouldExist );
+        if ( shouldExist )
+        {
+            Iterator it = list.iterator();
+            Iterator elIt = element.getChildren( childTag, element.getNamespace() ).iterator();
+            if ( !elIt.hasNext() )
+            {
+                elIt = null;
+            }
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            while ( it.hasNext() )
+            {
+                Resource value = (Resource) it.next();
+                Element el;
+                if ( elIt != null && elIt.hasNext() )
+                {
+                    el = (Element) elIt.next();
+                    if ( !elIt.hasNext() )
+                    {
+                        elIt = null;
+                    }
+                }
+                else
+                {
+                    el = factory.element( childTag, element.getNamespace() );
+                    insertAtPreferredLocation( element, el, innerCount );
+                }
+                updateResource( value, childTag, innerCount, el );
+                innerCount.increaseCount();
+            }
+            if ( elIt != null )
+            {
+                while ( elIt.hasNext() )
+                {
+                    elIt.next();
+                    elIt.remove();
+                }
+            }
+        }
+    } // -- void iterateResource(Counter, Element, java.util.Collection, java.lang.String, java.lang.String)
+
+    /**
+     * Method replaceXpp3DOM
+     *
+     * @param parent
+     * @param counter
+     * @param parentDom
+     */
+    protected void replaceXpp3DOM( Element parent, Xpp3Dom parentDom, Counter counter )
+    {
+        if ( parentDom.getChildCount() > 0 )
+        {
+            Xpp3Dom[] childs = parentDom.getChildren();
+            Collection domChilds = new ArrayList();
+            Collections.addAll( domChilds, childs );
+            // int domIndex = 0;
+            for ( Object o : parent.getChildren() )
+            {
+                Element elem = (Element) o;
+                Iterator it2 = domChilds.iterator();
+                Xpp3Dom corrDom = null;
+                while ( it2.hasNext() )
+                {
+                    Xpp3Dom dm = (Xpp3Dom) it2.next();
+                    if ( dm.getName().equals( elem.getName() ) )
+                    {
+                        corrDom = dm;
+                        break;
+                    }
+                }
+                if ( corrDom != null )
+                {
+                    domChilds.remove( corrDom );
+                    replaceXpp3DOM( elem, corrDom, new Counter( counter.getDepth() + 1 ) );
+                    counter.increaseCount();
+                }
+                else
+                {
+                    parent.removeContent( elem );
+                }
+            }
+            for ( Object domChild : domChilds )
+            {
+                Xpp3Dom dm = (Xpp3Dom) domChild;
+                Element elem = factory.element( dm.getName(), parent.getNamespace() );
+                insertAtPreferredLocation( parent, elem, counter );
+                counter.increaseCount();
+                replaceXpp3DOM( elem, dm, new Counter( counter.getDepth() + 1 ) );
+            }
+        }
+        else if ( parentDom.getValue() != null )
+        {
+            parent.setText( parentDom.getValue() );
+        }
+    } // -- void replaceXpp3DOM(Element, Xpp3Dom, Counter)
+
+    /**
+     * Method updateActivationFile
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateActivationFile( ActivationFile value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "missing", value.getMissing(), null );
+            findAndReplaceSimpleElement( innerCount, root, "exists", value.getExists(), null );
+        }
+    } // -- void updateActivationFile(ActivationFile, String, Counter, Element)
+
+    /**
+     * Method updateActivationOS
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateActivationOS( ActivationOS value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+            findAndReplaceSimpleElement( innerCount, root, "family", value.getFamily(), null );
+            findAndReplaceSimpleElement( innerCount, root, "arch", value.getArch(), null );
+            findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+        }
+    } // -- void updateActivationOS(ActivationOS, String, Counter, Element)
+
+    /**
+     * Method updateActivationProperty
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateActivationProperty( ActivationProperty value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+            findAndReplaceSimpleElement( innerCount, root, "value", value.getValue(), null );
+        }
+    } // -- void updateActivationProperty(ActivationProperty, String, Counter, Element)
+
+    /**
+     * Method updateBuild
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    //CHECKSTYLE_OFF: LineLength
+    protected void updateBuild( Build value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "sourceDirectory", value.getSourceDirectory(), null );
+            findAndReplaceSimpleElement( innerCount, root, "scriptSourceDirectory", value.getScriptSourceDirectory(),
+                                         null );
+            findAndReplaceSimpleElement( innerCount, root, "testSourceDirectory", value.getTestSourceDirectory(), null );
+            findAndReplaceSimpleElement( innerCount, root, "outputDirectory", value.getOutputDirectory(), null );
+            findAndReplaceSimpleElement( innerCount, root, "testOutputDirectory", value.getTestOutputDirectory(), null );
+            iterateExtension( innerCount, root, value.getExtensions(), "extensions", "extension" );
+            findAndReplaceSimpleElement( innerCount, root, "defaultGoal", value.getDefaultGoal(), null );
+            iterateResource( innerCount, root, value.getResources(), "resources", "resource" );
+            iterateResource( innerCount, root, value.getTestResources(), "testResources", "testResource" );
+            findAndReplaceSimpleElement( innerCount, root, "directory", value.getDirectory(), null );
+            findAndReplaceSimpleElement( innerCount, root, "finalName", value.getFinalName(), null );
+            findAndReplaceSimpleLists( innerCount, root, value.getFilters(), "filters", "filter" );
+            updatePluginManagement( value.getPluginManagement(), "pluginManagement", innerCount, root );
+            iteratePlugin( innerCount, root, value.getPlugins(), "plugins", "plugin" );
+        }
+    } // -- void updateBuild(Build, String, Counter, Element)
+    //CHECKSTYLE_ON: LineLength
+
+    /**
+     * Method updateBuildBase
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateBuildBase( BuildBase value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "defaultGoal", value.getDefaultGoal(), null );
+            iterateResource( innerCount, root, value.getResources(), "resources", "resource" );
+            iterateResource( innerCount, root, value.getTestResources(), "testResources", "testResource" );
+            findAndReplaceSimpleElement( innerCount, root, "directory", value.getDirectory(), null );
+            findAndReplaceSimpleElement( innerCount, root, "finalName", value.getFinalName(), null );
+            findAndReplaceSimpleLists( innerCount, root, value.getFilters(), "filters", "filter" );
+            updatePluginManagement( value.getPluginManagement(), "pluginManagement", innerCount, root );
+            iteratePlugin( innerCount, root, value.getPlugins(), "plugins", "plugin" );
+        }
+    } // -- void updateBuildBase(BuildBase, String, Counter, Element)
+
+    /**
+     * Method updateCiManagement
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateCiManagement( CiManagement value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "system", value.getSystem(), null );
+            findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+            iterateNotifier( innerCount, root, value.getNotifiers(), "notifiers", "notifier" );
+        }
+    } // -- void updateCiManagement(CiManagement, String, Counter, Element)
+
+    /**
+     * Method updateConfigurationContainer
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateConfigurationContainer( ConfigurationContainer value, String xmlTag, Counter counter,
+                                                 Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "inherited", value.getInherited(), null );
+            findAndReplaceXpp3DOM( innerCount, root, "configuration", (Xpp3Dom) value.getConfiguration() );
+        }
+    } // -- void updateConfigurationContainer(ConfigurationContainer, String, Counter, Element)
+
+    /**
+     * Method updateContributor
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateContributor( Contributor value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+        findAndReplaceSimpleElement( innerCount, root, "email", value.getEmail(), null );
+        findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        findAndReplaceSimpleElement( innerCount, root, "organization", value.getOrganization(), null );
+        findAndReplaceSimpleElement( innerCount, root, "organizationUrl", value.getOrganizationUrl(), null );
+        findAndReplaceSimpleLists( innerCount, root, value.getRoles(), "roles", "role" );
+        findAndReplaceSimpleElement( innerCount, root, "timezone", value.getTimezone(), null );
+        findAndReplaceProperties( innerCount, root, "properties", value.getProperties() );
+    } // -- void updateContributor(Contributor, String, Counter, Element)
+
+    /**
+     * Method updateDependency
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateDependency( Dependency value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+        findAndReplaceSimpleElement( innerCount, root, "type", value.getType(), "jar" );
+        findAndReplaceSimpleElement( innerCount, root, "classifier", value.getClassifier(), null );
+        findAndReplaceSimpleElement( innerCount, root, "scope", value.getScope(), null );
+        findAndReplaceSimpleElement( innerCount, root, "systemPath", value.getSystemPath(), null );
+        iterateExclusion( innerCount, root, value.getExclusions(), "exclusions", "exclusion" );
+        findAndReplaceSimpleElement( innerCount, root, "optional",
+                                     !value.isOptional() ? null : String.valueOf( value.isOptional() ), "false" );
+    } // -- void updateDependency(Dependency, String, Counter, Element)
+
+    /**
+     * Method updateDependencyManagement
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateDependencyManagement( DependencyManagement value, String xmlTag, Counter counter,
+                                               Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            iterateDependency( innerCount, root, value.getDependencies(), "dependencies", "dependency" );
+        }
+    } // -- void updateDependencyManagement(DependencyManagement, String, Counter, Element)
+
+    /**
+     * Method updateDeploymentRepository
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateDeploymentRepository( DeploymentRepository value, String xmlTag, Counter counter,
+                                               Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "uniqueVersion",
+                                         value.isUniqueVersion() ? null : String.valueOf( value.isUniqueVersion() ),
+                                         "true" );
+            findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), null );
+            findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+            findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+            findAndReplaceSimpleElement( innerCount, root, "layout", value.getLayout(), "default" );
+        }
+    } // -- void updateDeploymentRepository(DeploymentRepository, String, Counter, Element)
+
+    /**
+     * Method updateDeveloper
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateDeveloper( Developer value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+        findAndReplaceSimpleElement( innerCount, root, "email", value.getEmail(), null );
+        findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        findAndReplaceSimpleElement( innerCount, root, "organization", value.getOrganization(), null );
+        findAndReplaceSimpleElement( innerCount, root, "organizationUrl", value.getOrganizationUrl(), null );
+        findAndReplaceSimpleLists( innerCount, root, value.getRoles(), "roles", "role" );
+        findAndReplaceSimpleElement( innerCount, root, "timezone", value.getTimezone(), null );
+        findAndReplaceProperties( innerCount, root, "properties", value.getProperties() );
+    } // -- void updateDeveloper(Developer, String, Counter, Element)
+
+    /**
+     * Method updateDistributionManagement
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateDistributionManagement( DistributionManagement value, String xmlTag, Counter counter,
+                                                 Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            updateDeploymentRepository( value.getRepository(), "repository", innerCount, root );
+            updateDeploymentRepository( value.getSnapshotRepository(), "snapshotRepository", innerCount, root );
+            updateSite( value.getSite(), "site", innerCount, root );
+            findAndReplaceSimpleElement( innerCount, root, "downloadUrl", value.getDownloadUrl(), null );
+            updateRelocation( value.getRelocation(), "relocation", innerCount, root );
+            findAndReplaceSimpleElement( innerCount, root, "status", value.getStatus(), null );
+        }
+    } // -- void updateDistributionManagement(DistributionManagement, String, Counter, Element)
+
+    /**
+     * Method updateElement
+     *
+     * @param counter
+     * @param shouldExist
+     * @param name
+     * @param parent
+     */
+    protected Element updateElement( Counter counter, Element parent, String name, boolean shouldExist )
+    {
+        Element element = parent.getChild( name, parent.getNamespace() );
+        if ( element != null && shouldExist )
+        {
+            counter.increaseCount();
+        }
+        if ( element == null && shouldExist )
+        {
+            element = factory.element( name, parent.getNamespace() );
+            insertAtPreferredLocation( parent, element, counter );
+            counter.increaseCount();
+        }
+        if ( !shouldExist && element != null )
+        {
+            int index = parent.indexOf( element );
+            if ( index > 0 )
+            {
+                Content previous = parent.getContent( index - 1 );
+                if ( previous instanceof Text )
+                {
+                    Text txt = (Text) previous;
+                    if ( txt.getTextTrim().length() == 0 )
+                    {
+                        parent.removeContent( txt );
+                    }
+                }
+            }
+            parent.removeContent( element );
+        }
+        return element;
+    } // -- Element updateElement(Counter, Element, String, boolean)
+
+    /**
+     * Method updateExclusion
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateExclusion( Exclusion value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), null );
+    } // -- void updateExclusion(Exclusion, String, Counter, Element)
+
+    /**
+     * Method updateExtension
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateExtension( Extension value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+    } // -- void updateExtension(Extension, String, Counter, Element)
+
+    /**
+     * Method updateFileSet
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateFileSet( FileSet value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "directory", value.getDirectory(), null );
+            findAndReplaceSimpleLists( innerCount, root, value.getIncludes(), "includes", "include" );
+            findAndReplaceSimpleLists( innerCount, root, value.getExcludes(), "excludes", "exclude" );
+        }
+    } // -- void updateFileSet(FileSet, String, Counter, Element)
+
+    /**
+     * Method updateIssueManagement
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateIssueManagement( IssueManagement value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "system", value.getSystem(), null );
+            findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        }
+    } // -- void updateIssueManagement(IssueManagement, String, Counter, Element)
+
+    /**
+     * Method updateLicense
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateLicense( License value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+        findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        findAndReplaceSimpleElement( innerCount, root, "distribution", value.getDistribution(), null );
+        findAndReplaceSimpleElement( innerCount, root, "comments", value.getComments(), null );
+    } // -- void updateLicense(License, String, Counter, Element)
+
+    /**
+     * Method updateMailingList
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateMailingList( MailingList value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+        findAndReplaceSimpleElement( innerCount, root, "subscribe", value.getSubscribe(), null );
+        findAndReplaceSimpleElement( innerCount, root, "unsubscribe", value.getUnsubscribe(), null );
+        findAndReplaceSimpleElement( innerCount, root, "post", value.getPost(), null );
+        findAndReplaceSimpleElement( innerCount, root, "archive", value.getArchive(), null );
+        findAndReplaceSimpleLists( innerCount, root, value.getOtherArchives(), "otherArchives", "otherArchive" );
+    } // -- void updateMailingList(MailingList, String, Counter, Element)
+
+    /**
+     * Method updateModel
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateModel( Model value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        updateParent( value.getParent(), "parent", innerCount, root );
+        findAndReplaceSimpleElement( innerCount, root, "modelVersion", value.getModelVersion(), null );
+        findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "packaging", value.getPackaging(), "jar" );
+        findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+        findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+        findAndReplaceSimpleElement( innerCount, root, "description", value.getDescription(), null );
+        findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        updatePrerequisites( value.getPrerequisites(), "prerequisites", innerCount, root );
+        updateIssueManagement( value.getIssueManagement(), "issueManagement", innerCount, root );
+        updateCiManagement( value.getCiManagement(), "ciManagement", innerCount, root );
+        findAndReplaceSimpleElement( innerCount, root, "inceptionYear", value.getInceptionYear(), null );
+        iterateMailingList( innerCount, root, value.getMailingLists(), "mailingLists", "mailingList" );
+        iterateDeveloper( innerCount, root, value.getDevelopers(), "developers", "developer" );
+        iterateContributor( innerCount, root, value.getContributors(), "contributors", "contributor" );
+        iterateLicense( innerCount, root, value.getLicenses(), "licenses", "license" );
+        updateScm( value.getScm(), "scm", innerCount, root );
+        updateOrganization( value.getOrganization(), "organization", innerCount, root );
+        updateBuild( value.getBuild(), "build", innerCount, root );
+        iterateProfile( innerCount, root, value.getProfiles(), "profiles", "profile" );
+        findAndReplaceSimpleLists( innerCount, root, value.getModules(), "modules", "module" );
+        iterateRepository( innerCount, root, value.getRepositories(), "repositories", "repository" );
+        iterateRepository( innerCount, root, value.getPluginRepositories(), "pluginRepositories", "pluginRepository" );
+        iterateDependency( innerCount, root, value.getDependencies(), "dependencies", "dependency" );
+        findAndReplaceXpp3DOM( innerCount, root, "reports", (Xpp3Dom) value.getReports() );
+        updateReporting( value.getReporting(), "reporting", innerCount, root );
+        updateDependencyManagement( value.getDependencyManagement(), "dependencyManagement", innerCount, root );
+        updateDistributionManagement( value.getDistributionManagement(), "distributionManagement", innerCount, root );
+        findAndReplaceProperties( innerCount, root, "properties", value.getProperties() );
+    } // -- void updateModel(Model, String, Counter, Element)
+
+    /**
+     * Method updateModelBase
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    //CHECKSTYLE_OFF: LineLength
+    protected void updateModelBase( ModelBase value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleLists( innerCount, root, value.getModules(), "modules", "module" );
+            iterateRepository( innerCount, root, value.getRepositories(), "repositories", "repository" );
+            iterateRepository( innerCount, root, value.getPluginRepositories(), "pluginRepositories",
+                               "pluginRepository" );
+            iterateDependency( innerCount, root, value.getDependencies(), "dependencies", "dependency" );
+            findAndReplaceXpp3DOM( innerCount, root, "reports", (Xpp3Dom) value.getReports() );
+            updateReporting( value.getReporting(), "reporting", innerCount, root );
+            updateDependencyManagement( value.getDependencyManagement(), "dependencyManagement", innerCount, root );
+            updateDistributionManagement( value.getDistributionManagement(), "distributionManagement", innerCount, root );
+            findAndReplaceProperties( innerCount, root, "properties", value.getProperties() );
+        }
+    } // -- void updateModelBase(ModelBase, String, Counter, Element)
+    //CHECKSTYLE_ON: LineLength
+
+    /**
+     * Method updateNotifier
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    //CHECKSTYLE_OFF: LineLength
+    protected void updateNotifier( Notifier value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "type", value.getType(), "mail" );
+        findAndReplaceSimpleElement( innerCount, root, "sendOnError",
+                                     value.isSendOnError() ? null : String.valueOf( value.isSendOnError() ), "true" );
+        findAndReplaceSimpleElement( innerCount, root, "sendOnFailure",
+                                     value.isSendOnFailure() ? null : String.valueOf( value.isSendOnFailure() ), "true" );
+        findAndReplaceSimpleElement( innerCount, root, "sendOnSuccess",
+                                     value.isSendOnSuccess() ? null : String.valueOf( value.isSendOnSuccess() ), "true" );
+        findAndReplaceSimpleElement( innerCount, root, "sendOnWarning",
+                                     value.isSendOnWarning() ? null : String.valueOf( value.isSendOnWarning() ), "true" );
+        findAndReplaceSimpleElement( innerCount, root, "address", value.getAddress(), null );
+        findAndReplaceProperties( innerCount, root, "configuration", value.getConfiguration() );
+    } // -- void updateNotifier(Notifier, String, Counter, Element)
+    //CHECKSTYLE_ON: LineLength
+
+    /**
+     * Method updateOrganization
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateOrganization( Organization value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+            findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        }
+    } // -- void updateOrganization(Organization, String, Counter, Element)
+
+    /**
+     * Method updateParent
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateParent( Parent value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+            findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), null );
+            findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+            findAndReplaceSimpleElement( innerCount, root, "relativePath", value.getRelativePath(), "../pom.xml" );
+        }
+    } // -- void updateParent(Parent, String, Counter, Element)
+
+    /**
+     * Method updatePatternSet
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updatePatternSet( PatternSet value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleLists( innerCount, root, value.getIncludes(), "includes", "include" );
+            findAndReplaceSimpleLists( innerCount, root, value.getExcludes(), "excludes", "exclude" );
+        }
+    } // -- void updatePatternSet(PatternSet, String, Counter, Element)
+
+    /**
+     * Method updatePlugin
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updatePlugin( Plugin value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), "org.apache.maven.plugins" );
+        findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+        findAndReplaceSimpleElement( innerCount, root, "extensions",
+                                     !value.isExtensions() ? null : String.valueOf( value.isExtensions() ), "false" );
+        iteratePluginExecution( innerCount, root, value.getExecutions(), "executions", "execution" );
+        iterateDependency( innerCount, root, value.getDependencies(), "dependencies", "dependency" );
+        findAndReplaceXpp3DOM( innerCount, root, "goals", (Xpp3Dom) value.getGoals() );
+        findAndReplaceSimpleElement( innerCount, root, "inherited", value.getInherited(), null );
+        findAndReplaceXpp3DOM( innerCount, root, "configuration", (Xpp3Dom) value.getConfiguration() );
+    } // -- void updatePlugin(Plugin, String, Counter, Element)
+
+    /**
+     * Method updatePluginConfiguration
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    //CHECKSTYLE_OFF: LineLength
+    protected void updatePluginConfiguration( PluginConfiguration value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            updatePluginManagement( value.getPluginManagement(), "pluginManagement", innerCount, root );
+            iteratePlugin( innerCount, root, value.getPlugins(), "plugins", "plugin" );
+        }
+    } // -- void updatePluginConfiguration(PluginConfiguration, String, Counter, Element)
+    //CHECKSTYLE_ON: LineLength
+
+    /**
+     * Method updatePluginContainer
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updatePluginContainer( PluginContainer value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            iteratePlugin( innerCount, root, value.getPlugins(), "plugins", "plugin" );
+        }
+    } // -- void updatePluginContainer(PluginContainer, String, Counter, Element)
+
+    /**
+     * Method updatePluginExecution
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updatePluginExecution( PluginExecution value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), "default" );
+        findAndReplaceSimpleElement( innerCount, root, "phase", value.getPhase(), null );
+        findAndReplaceSimpleLists( innerCount, root, value.getGoals(), "goals", "goal" );
+        findAndReplaceSimpleElement( innerCount, root, "inherited", value.getInherited(), null );
+        findAndReplaceXpp3DOM( innerCount, root, "configuration", (Xpp3Dom) value.getConfiguration() );
+    } // -- void updatePluginExecution(PluginExecution, String, Counter, Element)
+
+    /**
+     * Method updatePluginManagement
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updatePluginManagement( PluginManagement value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            iteratePlugin( innerCount, root, value.getPlugins(), "plugins", "plugin" );
+        }
+    } // -- void updatePluginManagement(PluginManagement, String, Counter, Element)
+
+    /**
+     * Method updatePrerequisites
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updatePrerequisites( Prerequisites value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "maven", value.getMaven(), "2.0" );
+        }
+    } // -- void updatePrerequisites(Prerequisites, String, Counter, Element)
+
+    /**
+     * Method updateProfile
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateProfile( Profile value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), "default" );
+        // updateActivation( value.getActivation(), "activation", innerCount, root);
+        updateBuildBase( value.getBuild(), "build", innerCount, root );
+        findAndReplaceSimpleLists( innerCount, root, value.getModules(), "modules", "module" );
+        iterateRepository( innerCount, root, value.getRepositories(), "repositories", "repository" );
+        iterateRepository( innerCount, root, value.getPluginRepositories(), "pluginRepositories", "pluginRepository" );
+        iterateDependency( innerCount, root, value.getDependencies(), "dependencies", "dependency" );
+        findAndReplaceXpp3DOM( innerCount, root, "reports", (Xpp3Dom) value.getReports() );
+        updateReporting( value.getReporting(), "reporting", innerCount, root );
+        updateDependencyManagement( value.getDependencyManagement(), "dependencyManagement", innerCount, root );
+        updateDistributionManagement( value.getDistributionManagement(), "distributionManagement", innerCount, root );
+        findAndReplaceProperties( innerCount, root, "properties", value.getProperties() );
+    } // -- void updateProfile(Profile, String, Counter, Element)
+
+    /**
+     * Method updateRelocation
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateRelocation( Relocation value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), null );
+            findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+            findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+            findAndReplaceSimpleElement( innerCount, root, "message", value.getMessage(), null );
+        }
+    } // -- void updateRelocation(Relocation, String, Counter, Element)
+
+    /**
+     * Method updateReportPlugin
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateReportPlugin( ReportPlugin value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "groupId", value.getGroupId(), "org.apache.maven.plugins" );
+        findAndReplaceSimpleElement( innerCount, root, "artifactId", value.getArtifactId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "version", value.getVersion(), null );
+        findAndReplaceSimpleElement( innerCount, root, "inherited", value.getInherited(), null );
+        findAndReplaceXpp3DOM( innerCount, root, "configuration", (Xpp3Dom) value.getConfiguration() );
+        iterateReportSet( innerCount, root, value.getReportSets(), "reportSets", "reportSet" );
+    } // -- void updateReportPlugin(ReportPlugin, String, Counter, Element)
+
+    /**
+     * Method updateReportSet
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateReportSet( ReportSet value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), "default" );
+        findAndReplaceXpp3DOM( innerCount, root, "configuration", (Xpp3Dom) value.getConfiguration() );
+        findAndReplaceSimpleElement( innerCount, root, "inherited", value.getInherited(), null );
+        findAndReplaceSimpleLists( innerCount, root, value.getReports(), "reports", "report" );
+    } // -- void updateReportSet(ReportSet, String, Counter, Element)
+
+    /**
+     * Method updateReporting
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateReporting( Reporting value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "excludeDefaults", !value.isExcludeDefaults() ? null
+                            : String.valueOf( value.isExcludeDefaults() ), "false" );
+            findAndReplaceSimpleElement( innerCount, root, "outputDirectory", value.getOutputDirectory(), null );
+            iterateReportPlugin( innerCount, root, value.getPlugins(), "plugins", "plugin" );
+        }
+    } // -- void updateReporting(Reporting, String, Counter, Element)
+
+    /**
+     * Method updateRepository
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateRepository( Repository value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        updateRepositoryPolicy( value.getReleases(), "releases", innerCount, root );
+        updateRepositoryPolicy( value.getSnapshots(), "snapshots", innerCount, root );
+        findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), null );
+        findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+        findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        findAndReplaceSimpleElement( innerCount, root, "layout", value.getLayout(), "default" );
+    } // -- void updateRepository(Repository, String, Counter, Element)
+
+    /**
+     * Method updateRepositoryBase
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateRepositoryBase( RepositoryBase value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), null );
+            findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+            findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+            findAndReplaceSimpleElement( innerCount, root, "layout", value.getLayout(), "default" );
+        }
+    } // -- void updateRepositoryBase(RepositoryBase, String, Counter, Element)
+
+    /**
+     * Method updateRepositoryPolicy
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateRepositoryPolicy( RepositoryPolicy value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "enabled",
+                                         value.isEnabled() ? null : String.valueOf( value.isEnabled() ), "true" );
+            findAndReplaceSimpleElement( innerCount, root, "updatePolicy", value.getUpdatePolicy(), null );
+            findAndReplaceSimpleElement( innerCount, root, "checksumPolicy", value.getChecksumPolicy(), null );
+        }
+    } // -- void updateRepositoryPolicy(RepositoryPolicy, String, Counter, Element)
+
+    /**
+     * Method updateResource
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateResource( Resource value, String xmlTag, Counter counter, Element element )
+    {
+        Element root = element;
+        Counter innerCount = new Counter( counter.getDepth() + 1 );
+        findAndReplaceSimpleElement( innerCount, root, "targetPath", value.getTargetPath(), null );
+        findAndReplaceSimpleElement( innerCount, root, "filtering",
+                                     !value.isFiltering() ? null : String.valueOf( value.isFiltering() ), "false" );
+        findAndReplaceSimpleElement( innerCount, root, "directory", value.getDirectory(), null );
+        findAndReplaceSimpleLists( innerCount, root, value.getIncludes(), "includes", "include" );
+        findAndReplaceSimpleLists( innerCount, root, value.getExcludes(), "excludes", "exclude" );
+    } // -- void updateResource(Resource, String, Counter, Element)
+
+    /**
+     * Method updateScm
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateScm( Scm value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            //CHECKSTYLE_OFF: LineLength
+
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "connection", value.getConnection(), null );
+            findAndReplaceSimpleElement( innerCount, root, "developerConnection", value.getDeveloperConnection(), null );
+            findAndReplaceSimpleElement( innerCount, root, "tag", value.getTag(), "HEAD" );
+            findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+
+            //CHECKSTYLE_ON: LineLength
+        }
+    } // -- void updateScm(Scm, String, Counter, Element)
+
+    /**
+     * Method updateSite
+     *
+     * @param value
+     * @param element
+     * @param counter
+     * @param xmlTag
+     */
+    protected void updateSite( Site value, String xmlTag, Counter counter, Element element )
+    {
+        boolean shouldExist = value != null;
+        Element root = updateElement( counter, element, xmlTag, shouldExist );
+        if ( shouldExist )
+        {
+            Counter innerCount = new Counter( counter.getDepth() + 1 );
+            findAndReplaceSimpleElement( innerCount, root, "id", value.getId(), null );
+            findAndReplaceSimpleElement( innerCount, root, "name", value.getName(), null );
+            findAndReplaceSimpleElement( innerCount, root, "url", value.getUrl(), null );
+        }
+    } // -- void updateSite(Site, String, Counter, Element)
+
+    /**
+     * Method write
+     *
+     * @param project
+     * @param stream
+     * @param document
+     * @deprecated
+     */
+    public void write( Model project, Document document, OutputStream stream )
+        throws java.io.IOException
+    {
+        updateModel( project, "project", new Counter( 0 ), document.getRootElement() );
+        XMLOutputter outputter = new XMLOutputter();
+        Format format = Format.getPrettyFormat();
+        format.setIndent( "    " ).setLineSeparator( System.getProperty( "line.separator" ) );
+        outputter.setFormat( format );
+        outputter.output( document, stream );
+    } // -- void write(Model, Document, OutputStream)
+
+    /**
+     * Method write
+     *
+     * @param project
+     * @param writer
+     * @param document
+     */
+    public void write( Model project, Document document, OutputStreamWriter writer )
+        throws java.io.IOException
+    {
+        Format format = Format.getRawFormat();
+        format.setEncoding( writer.getEncoding() ).setLineSeparator( System.getProperty( "line.separator" ) );
+        write( project, document, writer, format );
+    } // -- void write(Model, Document, OutputStreamWriter)
+
+    /**
+     * Method write
+     *
+     * @param project
+     * @param jdomFormat
+     * @param writer
+     * @param document
+     */
+    public void write( Model project, Document document, Writer writer, Format jdomFormat )
+        throws java.io.IOException
+    {
+        updateModel( project, "project", new Counter( 0 ), document.getRootElement() );
+        XMLOutputter outputter = new XMLOutputter();
+        outputter.setFormat( jdomFormat );
+        outputter.output( document, writer );
+    } // -- void write(Model, Document, Writer, Format)
+
+}
diff --git a/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/PomWriter.java b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/PomWriter.java
new file mode 100644
index 0000000..fb573c0
--- /dev/null
+++ b/tools/maven-bundle-plugin/src/main/java/org/apache/felix/bundleplugin/pom/PomWriter.java
@@ -0,0 +1,77 @@
+package org.apache.felix.bundleplugin.pom;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.apache.maven.model.Model;
+import org.jdom.Document;
+import org.jdom.Element;
+import org.jdom.Namespace;
+import org.jdom.output.Format;
+
+import java.io.IOException;
+import java.io.Writer;
+
+/**
+ * @author Jason van Zyl
+ */
+public class PomWriter
+{
+    public static void write( Writer w, Model newModel )
+        throws IOException
+    {
+        write( w, newModel, false );
+    }
+
+    public static void write( Writer w, Model newModel, boolean namespaceDeclaration )
+        throws IOException
+    {
+        Element root = new Element( "project" );
+
+        if ( namespaceDeclaration )
+        {
+            String modelVersion = newModel.getModelVersion();
+
+            Namespace pomNamespace = Namespace.getNamespace( "", "http://maven.apache.org/POM/" + modelVersion );
+
+            root.setNamespace( pomNamespace );
+
+            Namespace xsiNamespace = Namespace.getNamespace( "xsi", "http://www.w3.org/2001/XMLSchema-instance" );
+
+            root.addNamespaceDeclaration( xsiNamespace );
+
+            if ( root.getAttribute( "schemaLocation", xsiNamespace ) == null )
+            {
+                root.setAttribute( "schemaLocation",
+                                   "http://maven.apache.org/POM/" + modelVersion + " http://maven.apache.org/maven-v"
+                                       + modelVersion.replace( '.', '_' ) + ".xsd", xsiNamespace );
+            }
+        }
+
+        Document doc = new Document( root );
+
+        MavenJDOMWriter writer = new MavenJDOMWriter();
+
+        String encoding = newModel.getModelEncoding() != null ? newModel.getModelEncoding() : "UTF-8";
+
+        Format format = Format.getPrettyFormat().setEncoding( encoding );
+
+        writer.write( newModel, doc, w, format );
+    }
+}