FELIX-1148: take local copy of another shared Maven component (dependency-tree) so we can apply an outstanding patch

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@810655 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/bundleplugin/src/main/java/org/apache/maven/shared/dependency/tree/traversal/CollectingDependencyNodeVisitor.java b/bundleplugin/src/main/java/org/apache/maven/shared/dependency/tree/traversal/CollectingDependencyNodeVisitor.java
new file mode 100644
index 0000000..b813267
--- /dev/null
+++ b/bundleplugin/src/main/java/org/apache/maven/shared/dependency/tree/traversal/CollectingDependencyNodeVisitor.java
@@ -0,0 +1,86 @@
+package org.apache.maven.shared.dependency.tree.traversal;
+
+/*
+ * 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.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.maven.shared.dependency.tree.DependencyNode;
+
+/**
+ * A dependency node visitor that collects visited nodes for further processing.
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id: CollectingDependencyNodeVisitor.java 661727 2008-05-30 14:21:49Z bentmann $
+ * @since 1.1
+ */
+public class CollectingDependencyNodeVisitor implements DependencyNodeVisitor
+{
+    // fields -----------------------------------------------------------------
+
+    /**
+     * The collected list of nodes.
+     */
+    private final List nodes;
+
+    // constructors -----------------------------------------------------------
+
+    /**
+     * Creates a dependency node visitor that collects visited nodes for further processing.
+     */
+    public CollectingDependencyNodeVisitor()
+    {
+        nodes = new ArrayList();
+    }
+
+    // DependencyNodeVisitor methods ------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean visit( DependencyNode node )
+    {
+        // collect node
+        nodes.add( node );
+
+        return true;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean endVisit( DependencyNode node )
+    {
+        return true;
+    }
+
+    // public methods ---------------------------------------------------------
+
+    /**
+     * Gets the list of collected dependency nodes.
+     * 
+     * @return the list of collected dependency nodes
+     */
+    public List getNodes()
+    {
+        return Collections.unmodifiableList( nodes );
+    }
+}