start work on refactor participant to handle move of exported classes (FELIX-2500)
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@983559 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/sigil/eclipse/ui/src/org/apache/felix/sigil/eclipse/ui/internal/refactor/MoveExportedClassParticipant.java b/sigil/eclipse/ui/src/org/apache/felix/sigil/eclipse/ui/internal/refactor/MoveExportedClassParticipant.java
new file mode 100644
index 0000000..262fe95
--- /dev/null
+++ b/sigil/eclipse/ui/src/org/apache/felix/sigil/eclipse/ui/internal/refactor/MoveExportedClassParticipant.java
@@ -0,0 +1,139 @@
+/*
+ * 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.
+ */
+
+package org.apache.felix.sigil.eclipse.ui.internal.refactor;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.apache.felix.sigil.common.model.osgi.IPackageExport;
+import org.apache.felix.sigil.eclipse.SigilCore;
+import org.apache.felix.sigil.eclipse.model.project.ISigilProjectModel;
+import org.apache.felix.sigil.eclipse.model.util.ModelHelper;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.OperationCanceledException;
+import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.IJavaModel;
+import org.eclipse.jdt.core.IPackageFragment;
+import org.eclipse.jdt.core.IPackageFragmentRoot;
+import org.eclipse.ltk.core.refactoring.Change;
+import org.eclipse.ltk.core.refactoring.CompositeChange;
+import org.eclipse.ltk.core.refactoring.NullChange;
+import org.eclipse.ltk.core.refactoring.RefactoringStatus;
+import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
+import org.eclipse.ltk.core.refactoring.participants.MoveParticipant;
+
+public class MoveExportedClassParticipant extends MoveParticipant
+{
+ private ICompilationUnit compilationUnit;
+ private List<Change> changes = new LinkedList<Change>();
+
+ @Override
+ public RefactoringStatus checkConditions(IProgressMonitor monitor,
+ CheckConditionsContext ctx) throws OperationCanceledException
+ {
+ RefactoringStatus status = null;
+ if (getArguments().getUpdateReferences())
+ {
+ try
+ {
+ ISigilProjectModel sourceProject = SigilCore.create(compilationUnit.getJavaProject().getProject());
+ RefactorUtil.touch(ctx, sourceProject);
+ IPackageFragment packageFragment = (IPackageFragment) compilationUnit.getAncestor(IJavaModel.PACKAGE_FRAGMENT);
+ final String packageName = packageFragment.getElementName();
+ IPackageExport oldExport = ModelHelper.findExport(sourceProject,
+ packageName);
+
+ if (oldExport != null) {
+ status = RefactoringStatus.createWarningStatus("Moving a class from an exported package effects client bundles");
+
+ IPackageFragment dest = (IPackageFragment) getArguments().getDestination();
+ ISigilProjectModel destProject = SigilCore.create(dest.getJavaProject().getProject());
+
+ if (!destProject.equals(sourceProject)) {
+ status.addWarning("Moving an exported class to another bundle effects client bundles that use Require-Bundle");
+ }
+
+ IPackageExport newExport = ModelHelper.findExport(destProject,
+ dest.getElementName());
+
+ if ( newExport == null ) {
+ newExport = RefactorUtil.createNewExport(status, changes, destProject, dest.getElementName());
+ }
+
+ if ( packageFragment.getCompilationUnits().length == 1 ) {
+ status.addInfo("Last exported class removed from " + packageName);
+ changes.add( new ExportPackageChange(sourceProject, oldExport, null));
+ }
+ }
+ }
+ catch (CoreException e)
+ {
+ SigilCore.warn("Failed to update activator", e);
+ }
+ }
+
+ return status;
+ }
+
+ /**
+ * @param pf
+ * @param compilationUnit2
+ * @return
+ */
+ private static String qualifiedName(IPackageFragment pf, String name)
+ {
+ name = name.substring(0, name.lastIndexOf('.'));
+ return "".equals(pf.getElementName()) ? name : pf.getElementName() + '.' + name;
+ }
+
+ @Override
+ public Change createChange(IProgressMonitor monitor) throws CoreException,
+ OperationCanceledException
+ {
+ if (changes.isEmpty())
+ {
+ return new NullChange();
+ }
+ else
+ {
+ CompositeChange ret = new CompositeChange("Export-Package update");
+
+ ret.addAll(changes.toArray(new Change[changes.size()]));
+
+ return ret;
+ }
+ }
+
+ @Override
+ public String getName()
+ {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ protected boolean initialize(Object element)
+ {
+ compilationUnit = (ICompilationUnit) element;
+ return true;
+ }
+
+}