private void renamePackage(
IPackageFragment pack, IProgressMonitor pm, IPath newPath, String newName)
throws JavaModelException, CoreException {
if (!pack.exists())
return; // happens if empty parent with single subpackage is renamed, see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=199045
pack.rename(newName, false, pm);
if (fCompilationUnitStamps != null) {
IPackageFragment newPack =
(IPackageFragment)
JavaCore.create(ResourcesPlugin.getWorkspace().getRoot().getFolder(newPath));
if (newPack.exists()) {
ICompilationUnit[] units = newPack.getCompilationUnits();
for (int i = 0; i < units.length; i++) {
IResource resource = units[i].getResource();
if (resource != null) {
Long stamp = fCompilationUnitStamps.get(resource);
if (stamp != null) {
resource.revertModificationStamp(stamp.longValue());
}
}
}
}
}
}
@Override
Change doPerformReorg(IProgressMonitor pm) throws CoreException, OperationCanceledException {
String name;
String newName = getNewName();
if (newName == null) name = getCu().getElementName();
else name = newName;
// get current modification stamp
long currentStamp = IResource.NULL_STAMP;
IResource resource = getCu().getResource();
if (resource != null) {
currentStamp = resource.getModificationStamp();
}
IPackageFragment destination = getDestinationPackage();
fUndoable = !destination.exists() || !destination.getCompilationUnit(name).exists();
IPackageFragment[] createdPackages = null;
if (!destination.exists()) {
IPackageFragmentRoot packageFragmentRoot = (IPackageFragmentRoot) destination.getParent();
createdPackages = createDestination(packageFragmentRoot, destination, pm);
}
// perform the move and restore modification stamp
getCu().move(destination, null, newName, true, pm);
if (fStampToRestore != IResource.NULL_STAMP) {
ICompilationUnit moved = destination.getCompilationUnit(name);
IResource movedResource = moved.getResource();
if (movedResource != null) {
movedResource.revertModificationStamp(fStampToRestore);
}
}
if (fDeletePackages != null) {
for (int i = fDeletePackages.length - 1; i >= 0; i--) {
fDeletePackages[i].delete(true, pm);
}
}
if (fUndoable) {
return new MoveCompilationUnitChange(
destination, getCu().getElementName(), getOldPackage(), currentStamp, createdPackages);
} else {
return null;
}
}