@Override
public synchronized IBuffer createBuffer(final ICompilationUnit workingCopy) {
String path = workingCopy.getPath().toString();
if (documents.containsKey(path)) {
return get(path, JavaPadDocument.class);
}
JavaPadDocument doc;
IFile file =
workingCopy.getResource() instanceof IFile ? (IFile) workingCopy.getResource() : null;
try {
documents.put(
workingCopy.getPath().toString(),
doc = new JavaPadDocument(this, collaboration.get(file), workingCopy));
} catch (IOException ioe) {
ioe.printStackTrace(); // XXX
throw new Error(ioe); // XXX
}
return doc;
}
/**
* Copies/moves a package fragment with the name <code>newName</code> to the destination package.
* <br>
*
* @exception JavaModelException if the operation is unable to complete
*/
private void processPackageFragmentResource(
PackageFragment source, PackageFragmentRoot root, String newName) throws JavaModelException {
try {
String[] newFragName = (newName == null) ? source.names : Util.getTrimmedSimpleNames(newName);
PackageFragment newFrag = root.getPackageFragment(newFragName);
IResource[] resources = collectResourcesOfInterest(source);
// if isMove() can we move the folder itself ? (see
// http://bugs.eclipse.org/bugs/show_bug.cgi?id=22458)
boolean shouldMoveFolder =
isMove() && !newFrag.resource().exists(); // if new pkg fragment exists, it is an override
IFolder srcFolder = (IFolder) source.resource();
IPath destPath = newFrag.getPath();
if (shouldMoveFolder) {
// check if destination is not included in source
if (srcFolder.getFullPath().isPrefixOf(destPath)) {
shouldMoveFolder = false;
} else {
// check if there are no sub-packages
IResource[] members = srcFolder.members();
for (int i = 0; i < members.length; i++) {
if (members[i] instanceof IFolder) {
shouldMoveFolder = false;
break;
}
}
}
}
boolean containsReadOnlySubPackageFragments =
createNeededPackageFragments(
(IContainer) source.parent.resource(), root, newFragName, shouldMoveFolder);
boolean sourceIsReadOnly = Util.isReadOnly(srcFolder);
// Process resources
if (shouldMoveFolder) {
// move underlying resource
// TODO Revisit once bug 43044 is fixed
if (sourceIsReadOnly) {
Util.setReadOnly(srcFolder, false);
}
srcFolder.move(destPath, this.force, true /* keep history */, getSubProgressMonitor(1));
if (sourceIsReadOnly) {
Util.setReadOnly(srcFolder, true);
}
setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
} else {
// process the leaf resources
if (resources.length > 0) {
if (isRename()) {
if (!destPath.equals(source.getPath())) {
moveResources(resources, destPath);
}
} else if (isMove()) {
// we need to delete this resource if this operation wants to override existing
// resources
for (int i = 0, max = resources.length; i < max; i++) {
IResource destinationResource =
ResourcesPlugin.getWorkspace()
.getRoot()
.findMember(destPath.append(resources[i].getName()));
if (destinationResource != null) {
if (this.force) {
deleteResource(destinationResource, IResource.KEEP_HISTORY);
} else {
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Messages.bind(
Messages.status_nameCollision,
destinationResource.getFullPath().toString())));
}
}
}
moveResources(resources, destPath);
} else {
// we need to delete this resource if this operation wants to override existing
// resources
for (int i = 0, max = resources.length; i < max; i++) {
IResource destinationResource =
ResourcesPlugin.getWorkspace()
.getRoot()
.findMember(destPath.append(resources[i].getName()));
if (destinationResource != null) {
if (this.force) {
// we need to delete this resource if this operation wants to override existing
// resources
deleteResource(destinationResource, IResource.KEEP_HISTORY);
} else {
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Messages.bind(
Messages.status_nameCollision,
destinationResource.getFullPath().toString())));
}
}
}
copyResources(resources, destPath);
}
}
}
// Update package statement in compilation unit if needed
if (!Util.equalArraysOrNull(
newFragName, source.names)) { // if package has been renamed, update the compilation units
char[][] inclusionPatterns = root.fullInclusionPatternChars();
char[][] exclusionPatterns = root.fullExclusionPatternChars();
for (int i = 0; i < resources.length; i++) {
String resourceName = resources[i].getName();
if (Util.isJavaLikeFileName(resourceName)) {
// we only consider potential compilation units
ICompilationUnit cu = newFrag.getCompilationUnit(resourceName);
if (Util.isExcluded(
cu.getPath(), inclusionPatterns, exclusionPatterns, false /*not a folder*/))
continue;
this.parser.setSource(cu);
CompilationUnit astCU = (CompilationUnit) this.parser.createAST(this.progressMonitor);
AST ast = astCU.getAST();
ASTRewrite rewrite = ASTRewrite.create(ast);
updatePackageStatement(astCU, newFragName, rewrite, cu);
TextEdit edits = rewrite.rewriteAST();
applyTextEdit(cu, edits);
cu.save(null, false);
}
}
}
// Discard empty old package (if still empty after the rename)
boolean isEmpty = true;
if (isMove()) {
// delete remaining files in this package (.class file in the case where Proj=src=bin)
// in case of a copy
updateReadOnlyPackageFragmentsForMove(
(IContainer) source.parent.resource(), root, newFragName, sourceIsReadOnly);
if (srcFolder.exists()) {
IResource[] remaining = srcFolder.members();
for (int i = 0, length = remaining.length; i < length; i++) {
IResource file = remaining[i];
if (file instanceof IFile) {
if (Util.isReadOnly(file)) {
Util.setReadOnly(file, false);
}
deleteResource(file, IResource.FORCE | IResource.KEEP_HISTORY);
} else {
isEmpty = false;
}
}
}
if (isEmpty) {
IResource rootResource;
// check if source is included in destination
if (destPath.isPrefixOf(srcFolder.getFullPath())) {
rootResource = newFrag.resource();
} else {
rootResource = source.parent.resource();
}
// delete recursively empty folders
deleteEmptyPackageFragment(source, false, rootResource);
}
} else if (containsReadOnlySubPackageFragments) {
// in case of a copy
updateReadOnlyPackageFragmentsForCopy(
(IContainer) source.parent.resource(), root, newFragName);
}
// workaround for bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=24505
if (isEmpty && isMove() && !(Util.isExcluded(source) || Util.isExcluded(newFrag))) {
IJavaProject sourceProject = source.getJavaProject();
getDeltaFor(sourceProject).movedFrom(source, newFrag);
IJavaProject destProject = newFrag.getJavaProject();
getDeltaFor(destProject).movedTo(newFrag, source);
}
} catch (JavaModelException e) {
throw e;
} catch (CoreException ce) {
throw new JavaModelException(ce);
}
}
@Override
public IProblemRequestor getProblemRequestor(ICompilationUnit workingCopy) {
return get(workingCopy.getPath().toString(), JavaPadDocument.class).problems;
}