/**
* Updates the content of <code>cu</code>, modifying the type name and/or package declaration as
* necessary.
*
* @return an AST rewrite or null if no rewrite needed
*/
private TextEdit updateContent(ICompilationUnit cu, PackageFragment dest, String newName)
throws JavaModelException {
String[] currPackageName = ((PackageFragment) cu.getParent()).names;
String[] destPackageName = dest.names;
if (Util.equalArraysOrNull(currPackageName, destPackageName) && newName == null) {
return null; // nothing to change
} else {
// ensure cu is consistent (noop if already consistent)
cu.makeConsistent(this.progressMonitor);
// GROOVY start
// don't use the ASTParser if not a Java compilation unit
if (LanguageSupportFactory.isInterestingSourceFile(cu.getElementName())) {
// ZALUUM
// old return updateNonJavaContent(cu, destPackageName, currPackageName, newName);
return LanguageSupportFactory.updateContent(cu, destPackageName, currPackageName, newName);
// END ZALUUM
}
// GROOVY end
this.parser.setSource(cu);
CompilationUnit astCU = (CompilationUnit) this.parser.createAST(this.progressMonitor);
AST ast = astCU.getAST();
ASTRewrite rewrite = ASTRewrite.create(ast);
updateTypeName(cu, astCU, cu.getElementName(), newName, rewrite);
updatePackageStatement(astCU, destPackageName, rewrite, cu);
return rewrite.rewriteAST();
}
}
/**
* Updates the content of <code>cu</code>, modifying the type name and/or package declaration as
* necessary.
*
* @return an AST rewrite or null if no rewrite needed
*/
private TextEdit updateContent(ICompilationUnit cu, PackageFragment dest, String newName)
throws JavaModelException {
String[] currPackageName = ((PackageFragment) cu.getParent()).names;
String[] destPackageName = dest.names;
if (Util.equalArraysOrNull(currPackageName, destPackageName) && newName == null) {
return null; // nothing to change
} else {
// ensure cu is consistent (noop if already consistent)
cu.makeConsistent(this.progressMonitor);
this.parser.setSource(cu);
CompilationUnit astCU = (CompilationUnit) this.parser.createAST(this.progressMonitor);
AST ast = astCU.getAST();
ASTRewrite rewrite = ASTRewrite.create(ast);
updateTypeName(cu, astCU, cu.getElementName(), newName, rewrite);
updatePackageStatement(astCU, destPackageName, rewrite, cu);
return rewrite.rewriteAST();
}
}
private void saveContent(
PackageFragment dest, String destName, TextEdit edits, String sourceEncoding, IFile destFile)
throws JavaModelException {
try {
// TODO (frederic) remove when bug 67606 will be fixed (bug 67823)
// fix bug 66898
if (sourceEncoding != null) destFile.setCharset(sourceEncoding, this.progressMonitor);
// end todo
} catch (CoreException ce) {
// use no encoding
}
// when the file was copied, its read-only flag was preserved -> temporary set it to false
// note this doesn't interfere with repository providers as this is a new resource that cannot
// be under
// version control yet
Util.setReadOnly(destFile, false);
ICompilationUnit destCU = dest.getCompilationUnit(destName);
applyTextEdit(destCU, edits);
destCU.save(getSubProgressMonitor(1), this.force);
}
@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;
}
private void updatePackageStatement(
CompilationUnit astCU, String[] pkgName, ASTRewrite rewriter, ICompilationUnit cu)
throws JavaModelException {
boolean defaultPackage = pkgName.length == 0;
AST ast = astCU.getAST();
if (defaultPackage) {
// remove existing package statement
PackageDeclaration pkg = astCU.getPackage();
if (pkg != null) {
int pkgStart;
Javadoc javadoc = pkg.getJavadoc();
if (javadoc != null) {
pkgStart = javadoc.getStartPosition() + javadoc.getLength() + 1;
} else {
pkgStart = pkg.getStartPosition();
}
int extendedStart = astCU.getExtendedStartPosition(pkg);
if (pkgStart != extendedStart) {
// keep the comments associated with package declaration
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=247757
String commentSource = cu.getSource().substring(extendedStart, pkgStart);
ASTNode comment =
rewriter.createStringPlaceholder(commentSource, ASTNode.PACKAGE_DECLARATION);
rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, comment, null);
} else {
rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, null, null);
}
}
} else {
org.eclipse.jdt.core.dom.PackageDeclaration pkg = astCU.getPackage();
if (pkg != null) {
// rename package statement
Name name = ast.newName(pkgName);
rewriter.set(pkg, PackageDeclaration.NAME_PROPERTY, name, null);
} else {
// create new package statement
pkg = ast.newPackageDeclaration();
pkg.setName(ast.newName(pkgName));
rewriter.set(astCU, CompilationUnit.PACKAGE_PROPERTY, pkg, null);
}
}
}
/** Renames the main type in <code>cu</code>. */
private void updateTypeName(
ICompilationUnit cu,
CompilationUnit astCU,
String oldName,
String newName,
ASTRewrite rewriter)
throws JavaModelException {
if (newName != null) {
String oldTypeName = Util.getNameWithoutJavaLikeExtension(oldName);
String newTypeName = Util.getNameWithoutJavaLikeExtension(newName);
AST ast = astCU.getAST();
// update main type name
IType[] types = cu.getTypes();
for (int i = 0, max = types.length; i < max; i++) {
IType currentType = types[i];
if (currentType.getElementName().equals(oldTypeName)) {
AbstractTypeDeclaration typeNode =
(AbstractTypeDeclaration) ((JavaElement) currentType).findNode(astCU);
if (typeNode != null) {
// rename type
rewriter.replace(typeNode.getName(), ast.newSimpleName(newTypeName), null);
// rename constructors
Iterator bodyDeclarations = typeNode.bodyDeclarations().iterator();
while (bodyDeclarations.hasNext()) {
Object bodyDeclaration = bodyDeclarations.next();
if (bodyDeclaration instanceof MethodDeclaration) {
MethodDeclaration methodDeclaration = (MethodDeclaration) bodyDeclaration;
if (methodDeclaration.isConstructor()) {
SimpleName methodName = methodDeclaration.getName();
if (methodName.getIdentifier().equals(oldTypeName)) {
rewriter.replace(methodName, ast.newSimpleName(newTypeName), null);
}
}
}
}
}
}
}
}
}
/**
* Add an additional compilation unit into the loop -> build compilation unit declarations, their
* bindings and record their results.
*/
public void accept(ICompilationUnit sourceUnit, AccessRestriction accessRestriction) {
// Switch the current policy and compilation result for this unit to the requested one.
CompilationResult unitResult =
new CompilationResult(
sourceUnit, this.totalUnits, this.totalUnits, this.options.maxProblemsPerUnit);
unitResult.checkSecondaryTypes = true;
try {
if (this.options.verbose) {
String count = String.valueOf(this.totalUnits + 1);
this.out.println(
Messages.bind(
Messages.compilation_request,
new String[] {count, count, new String(sourceUnit.getFileName())}));
}
// diet parsing for large collection of unit
CompilationUnitDeclaration parsedUnit;
if (this.totalUnits < this.parseThreshold) {
parsedUnit = this.parser.parse(sourceUnit, unitResult);
} else {
parsedUnit = this.parser.dietParse(sourceUnit, unitResult);
}
parsedUnit.bits |= ASTNode.IsImplicitUnit;
// initial type binding creation
this.lookupEnvironment.buildTypeBindings(parsedUnit, accessRestriction);
addCompilationUnit(sourceUnit, parsedUnit);
// binding resolution
this.lookupEnvironment.completeTypeBindings(parsedUnit);
} catch (AbortCompilationUnit e) {
// at this point, currentCompilationUnitResult may not be sourceUnit, but some other
// one requested further along to resolve sourceUnit.
if (unitResult.compilationUnit == sourceUnit) { // only report once
this.requestor.acceptResult(unitResult.tagAsAccepted());
} else {
throw e; // want to abort enclosing request to compile
}
}
}
/**
* 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);
}
}
/**
* Copies/moves a compilation unit with the name <code>newCUName</code> to the destination
* package.<br>
* The package statement in the compilation unit is updated if necessary. The main type of the
* compilation unit is renamed if necessary.
*
* @exception JavaModelException if the operation is unable to complete
*/
private void processCompilationUnitResource(ICompilationUnit source, PackageFragment dest)
throws JavaModelException {
String newCUName = getNewNameFor(source);
String destName = (newCUName != null) ? newCUName : source.getElementName();
TextEdit edit = updateContent(source, dest, newCUName); // null if unchanged
// TODO (frederic) remove when bug 67606 will be fixed (bug 67823)
// store encoding (fix bug 66898)
IFile sourceResource = (IFile) source.getResource();
String sourceEncoding = null;
try {
sourceEncoding = sourceResource.getCharset(false);
} catch (CoreException ce) {
// no problem, use default encoding
}
// end todo
// copy resource
IContainer destFolder = (IContainer) dest.getResource(); // can be an IFolder or an IProject
IFile destFile = destFolder.getFile(new Path(destName));
org.eclipse.jdt.internal.core.CompilationUnit destCU =
new org.eclipse.jdt.internal.core.CompilationUnit(
dest, destName, DefaultWorkingCopyOwner.PRIMARY);
if (!destFile.equals(sourceResource)) {
try {
if (!destCU.isWorkingCopy()) {
if (destFile.exists()) {
if (this.force) {
// we can remove it
deleteResource(destFile, IResource.KEEP_HISTORY);
destCU.close(); // ensure the in-memory buffer for the dest CU is closed
} else {
// abort
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Messages.bind(
Messages.status_nameCollision, destFile.getFullPath().toString())));
}
}
int flags = this.force ? IResource.FORCE : IResource.NONE;
if (isMove()) {
flags |= IResource.KEEP_HISTORY;
sourceResource.move(destFile.getFullPath(), flags, getSubProgressMonitor(1));
} else {
if (edit != null) flags |= IResource.KEEP_HISTORY;
sourceResource.copy(destFile.getFullPath(), flags, getSubProgressMonitor(1));
}
setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
} else {
destCU.getBuffer().setContents(source.getBuffer().getContents());
}
} catch (JavaModelException e) {
throw e;
} catch (CoreException e) {
throw new JavaModelException(e);
}
// update new resource content
if (edit != null) {
boolean wasReadOnly = destFile.isReadOnly();
try {
saveContent(dest, destName, edit, sourceEncoding, destFile);
} catch (CoreException e) {
if (e instanceof JavaModelException) throw (JavaModelException) e;
throw new JavaModelException(e);
} finally {
Util.setReadOnly(destFile, wasReadOnly);
}
}
// register the correct change deltas
prepareDeltas(source, destCU, isMove());
if (newCUName != null) {
// the main type has been renamed
String oldName = Util.getNameWithoutJavaLikeExtension(source.getElementName());
String newName = Util.getNameWithoutJavaLikeExtension(newCUName);
prepareDeltas(source.getType(oldName), destCU.getType(newName), isMove());
}
} else {
if (!this.force) {
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Messages.bind(Messages.status_nameCollision, destFile.getFullPath().toString())));
}
// update new resource content
// in case we do a saveas on the same resource we have to simply update the contents
// see http://dev.eclipse.org/bugs/show_bug.cgi?id=9351
if (edit != null) {
saveContent(dest, destName, edit, sourceEncoding, destFile);
}
}
}
@Override
public IProblemRequestor getProblemRequestor(ICompilationUnit workingCopy) {
return get(workingCopy.getPath().toString(), JavaPadDocument.class).problems;
}