/*
* 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 java.util.Set;
import org.apache.felix.sigil.common.model.ModelElementFactory;
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.JavaHelper;
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.core.runtime.SubMonitor;
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 MovePackageParticipant extends MoveParticipant
{
private IPackageFragment packageFragment;
private List<Change> changes = new LinkedList<Change>();
@Override
public RefactoringStatus checkConditions(IProgressMonitor monitor,
CheckConditionsContext context) throws OperationCanceledException
{
if (getArguments().getUpdateReferences())
{
try
{
ISigilProjectModel sourceProject = SigilCore.create(packageFragment.getJavaProject().getProject());
IPackageFragmentRoot dest = (IPackageFragmentRoot) getArguments().getDestination();
ISigilProjectModel destProject = SigilCore.create(dest.getJavaProject().getProject());
RefactoringStatus status = new RefactoringStatus();
if (!sourceProject.equals(destProject))
{
RefactorUtil.touch(context, sourceProject);
RefactorUtil.touch(context, destProject);
final String packageName = packageFragment.getElementName();
IPackageExport oldExport = ModelHelper.findExport(sourceProject,
packageName);
if (oldExport != null)
{
IPackageExport newExport = ModelElementFactory.getInstance().newModelElement(
IPackageExport.class);
newExport.setPackageName(oldExport.getPackageName());
newExport.setVersion(oldExport.getRawVersion());
changes.add(new ExportPackageChange(destProject, null, newExport));
changes.add(new ExportPackageChange(sourceProject, oldExport,
null));
status.addWarning("Package " + packageName + " is exported from "
+ sourceProject.getSymbolicName()
+ ", this may effect client bundles that use require bundle");
}
else
{
SubMonitor sub = SubMonitor.convert(monitor);
sub.beginTask("Resolving package users", 200);
Set<String> users = JavaHelper.findLocalPackageUsers(
sourceProject, packageName, sub.newChild(100));
Set<String> dependencies = JavaHelper.findLocalPackageDependencies(
sourceProject, packageName, sub.newChild(100));
if (users.size() > 0 && dependencies.size() > 0)
{
status.addWarning("Package " + packageName
+ " is coupled to " + users + " and " + dependencies
+ " this may cause a cyclical dependency");
}
if (users.size() > 0)
{ // attempt to move an API package
IPackageExport newExport = RefactorUtil.createNewExport(status, changes,
destProject, packageName);
RefactorUtil.createNewImport(status, changes, sourceProject, newExport);
}
if (dependencies.size() > 0)
{ // moved an impl package
for (String dep : dependencies)
{
IPackageExport newExport = RefactorUtil.createNewExport(status, changes,
sourceProject, dep);
RefactorUtil.createNewImport(status, changes, destProject, newExport);
}
}
}
}
return status;
}
catch (CoreException e)
{
SigilCore.warn("Failed to create move refactor conditions", e);
throw new OperationCanceledException(e.getMessage());
}
}
else
{
return new RefactoringStatus();
}
}
@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()
{
return "Sigil package move participant";
}
@Override
protected boolean initialize(Object element)
{
this.packageFragment = (IPackageFragment) element;
return true;
}
}