/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core;
import java.util.*;
import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.jobs.MultiRule;
import org.eclipse.jdt.core.*;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.ASTParser;
import org.eclipse.jdt.core.dom.AbstractTypeDeclaration;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.Javadoc;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.Name;
import org.eclipse.jdt.core.dom.PackageDeclaration;
import org.eclipse.jdt.core.dom.SimpleName;
import org.eclipse.jdt.core.dom.rewrite.ASTRewrite;
import org.eclipse.jdt.internal.compiler.util.SuffixConstants;
import org.eclipse.jdt.internal.core.util.Messages;
import org.eclipse.jdt.internal.core.util.Util;
import org.eclipse.text.edits.TextEdit;
/**
* This operation copies/moves/renames a collection of resources from their current
* container to a new container, optionally renaming the
* elements.
* <p>Notes:<ul>
* <li>If there is already an resource with the same name in
* the new container, the operation either overwrites or aborts,
* depending on the collision policy setting. The default setting is
* abort.
*
* <li>When a compilation unit is copied to a new package, the
* package declaration in the compilation unit is automatically updated.
*
* <li>The collection of elements being copied must all share the
* same type of container.
*
* <li>This operation can be used to copy and rename elements within
* the same container.
*
* <li>This operation only copies compilation units and package fragments.
* It does not copy package fragment roots - a platform operation must be used for that.
* </ul>
*
*/
@SuppressWarnings({"rawtypes", "unchecked"})
public class CopyResourceElementsOperation extends MultiOperation implements SuffixConstants {
/**
* The list of new resources created during this operation.
*/
protected ArrayList createdElements;
/**
* Table specifying deltas for elements being
* copied/moved/renamed. Keyed by elements' project(s), and
* values are the corresponding deltas.
*/
protected Map deltasPerProject = new HashMap(1);
/**
* The <code>ASTParser</code> used to manipulate the source code of
* <code>ICompilationUnit</code>.
*/
protected ASTParser parser;
/**
* When executed, this operation will copy the given resources to the
* given containers. The resources and destination containers must be in
* the correct order. If there is > 1 destination, the number of destinations
* must be the same as the number of resources being copied/moved.
*/
public CopyResourceElementsOperation(IJavaElement[] resourcesToCopy, IJavaElement[] destContainers, boolean force) {
super(resourcesToCopy, destContainers, force);
initializeASTParser();
}
private void initializeASTParser() {
this.parser = ASTParser.newParser(AST.JLS8);
}
/**
* Returns the children of <code>source</code> which are affected by this operation.
* If <code>source</code> is a <code>K_SOURCE</code>, these are the <code>.java</code>
* files, if it is a <code>K_BINARY</code>, they are the <code>.class</code> files.
*/
private IResource[] collectResourcesOfInterest(IPackageFragment source) throws JavaModelException {
IJavaElement[] children = source.getChildren();
int childOfInterest = IJavaElement.COMPILATION_UNIT;
if (source.getKind() == IPackageFragmentRoot.K_BINARY) {
childOfInterest = IJavaElement.CLASS_FILE;
}
ArrayList correctKindChildren = new ArrayList(children.length);
for (int i = 0; i < children.length; i++) {
IJavaElement child = children[i];
if (child.getElementType() == childOfInterest) {
correctKindChildren.add(((JavaElement) child).resource());
}
}
// Gather non-java resources
Object[] nonJavaResources = source.getNonJavaResources();
int actualNonJavaResourceCount = 0;
for (int i = 0, max = nonJavaResources.length; i < max; i++){
if (nonJavaResources[i] instanceof IResource) actualNonJavaResourceCount++;
}
IResource[] actualNonJavaResources = new IResource[actualNonJavaResourceCount];
for (int i = 0, max = nonJavaResources.length, index = 0; i < max; i++){
if (nonJavaResources[i] instanceof IResource) actualNonJavaResources[index++] = (IResource)nonJavaResources[i];
}
if (actualNonJavaResourceCount != 0) {
int correctKindChildrenSize = correctKindChildren.size();
IResource[] result = new IResource[correctKindChildrenSize + actualNonJavaResourceCount];
correctKindChildren.toArray(result);
System.arraycopy(actualNonJavaResources, 0, result, correctKindChildrenSize, actualNonJavaResourceCount);
return result;
} else {
IResource[] result = new IResource[correctKindChildren.size()];
correctKindChildren.toArray(result);
return result;
}
}
/**
* Creates any destination package fragment(s) which do not exists yet.
* Return true if a read-only package fragment has been found among package fragments, false otherwise
*/
private boolean createNeededPackageFragments(IContainer sourceFolder, PackageFragmentRoot root, String[] newFragName, boolean moveFolder) throws JavaModelException {
boolean containsReadOnlyPackageFragment = false;
IContainer parentFolder = (IContainer) root.resource();
JavaElementDelta projectDelta = null;
String[] sideEffectPackageName = null;
char[][] inclusionPatterns = root.fullInclusionPatternChars();
char[][] exclusionPatterns = root.fullExclusionPatternChars();
for (int i = 0; i < newFragName.length; i++) {
String subFolderName = newFragName[i];
sideEffectPackageName = Util.arrayConcat(sideEffectPackageName, subFolderName);
IResource subFolder = parentFolder.findMember(subFolderName);
if (subFolder == null) {
// create deepest folder only if not a move (folder will be moved in processPackageFragmentResource)
if (!(moveFolder && i == newFragName.length-1)) {
createFolder(parentFolder, subFolderName, this.force);
}
parentFolder = parentFolder.getFolder(new Path(subFolderName));
sourceFolder = sourceFolder.getFolder(new Path(subFolderName));
if (Util.isReadOnly(sourceFolder)) {
containsReadOnlyPackageFragment = true;
}
IPackageFragment sideEffectPackage = root.getPackageFragment(sideEffectPackageName);
if (i < newFragName.length - 1 // all but the last one are side effect packages
&& !Util.isExcluded(parentFolder, inclusionPatterns, exclusionPatterns)) {
if (projectDelta == null) {
projectDelta = getDeltaFor(root.getJavaProject());
}
projectDelta.added(sideEffectPackage);
}
this.createdElements.add(sideEffectPackage);
} else {
parentFolder = (IContainer) subFolder;
}
}
return containsReadOnlyPackageFragment;
}
/**
* Returns the <code>JavaElementDelta</code> for <code>javaProject</code>,
* creating it and putting it in <code>fDeltasPerProject</code> if
* it does not exist yet.
*/
private JavaElementDelta getDeltaFor(IJavaProject javaProject) {
JavaElementDelta delta = (JavaElementDelta) this.deltasPerProject.get(javaProject);
if (delta == null) {
delta = new JavaElementDelta(javaProject);
this.deltasPerProject.put(javaProject, delta);
}
return delta;
}
/**
* @see MultiOperation
*/
protected String getMainTaskName() {
return Messages.operation_copyResourceProgress;
}
protected ISchedulingRule getSchedulingRule() {
if (this.elementsToProcess == null)
return null;
int length = this.elementsToProcess.length;
if (length == 1)
return getSchedulingRule(this.elementsToProcess[0]);
ISchedulingRule[] rules = new ISchedulingRule[length];
int index = 0;
for (int i = 0; i < length; i++) {
ISchedulingRule rule = getSchedulingRule(this.elementsToProcess[i]);
if (rule != null) {
rules[index++] = rule;
}
}
if (index != length)
System.arraycopy(rules, 0, rules = new ISchedulingRule[index], 0, index);
return new MultiRule(rules);
}
private ISchedulingRule getSchedulingRule(IJavaElement element) {
if (element == null)
return null;
IResource sourceResource = getResource(element);
IResource destContainer = getResource(getDestinationParent(element));
if (!(destContainer instanceof IContainer)) {
return null;
}
String newName;
try {
newName = getNewNameFor(element);
} catch (JavaModelException e) {
return null;
}
if (newName == null)
newName = element.getElementName();
IResource destResource;
String sourceEncoding = null;
if (sourceResource.getType() == IResource.FILE) {
destResource = ((IContainer) destContainer).getFile(new Path(newName));
try {
sourceEncoding = ((IFile) sourceResource).getCharset(false);
} catch (CoreException ce) {
// use default encoding
}
} else {
destResource = ((IContainer) destContainer).getFolder(new Path(newName));
}
IResourceRuleFactory factory = ResourcesPlugin.getWorkspace().getRuleFactory();
ISchedulingRule rule;
if (isMove()) {
rule = factory.moveRule(sourceResource, destResource);
} else {
rule = factory.copyRule(sourceResource, destResource);
}
if (sourceEncoding != null) {
rule = new MultiRule(new ISchedulingRule[] {rule, factory.charsetRule(destResource)});
}
return rule;
}
private IResource getResource(IJavaElement element) {
if (element == null)
return null;
if (element.getElementType() == IJavaElement.PACKAGE_FRAGMENT) {
String pkgName = element.getElementName();
int firstDot = pkgName.indexOf('.');
if (firstDot != -1) {
element = ((IPackageFragmentRoot) element.getParent()).getPackageFragment(pkgName.substring(0, firstDot));
}
}
return element.getResource();
}
/**
* Sets the deltas to register the changes resulting from this operation
* for this source element and its destination.
* If the operation is a cross project operation<ul>
* <li>On a copy, the delta should be rooted in the dest project
* <li>On a move, two deltas are generated<ul>
* <li>one rooted in the source project
* <li>one rooted in the destination project
* <li> When a CU is being overwritten, the delta on the destination will be of type F_CONTENT </ul></ul>
* If the operation is rooted in a single project, the delta is rooted in that project
*
*/
protected void prepareDeltas(IJavaElement sourceElement, IJavaElement destinationElement, boolean isMove, boolean overWriteCU) {
if (Util.isExcluded(sourceElement) || Util.isExcluded(destinationElement)) return;
IJavaProject destProject = destinationElement.getJavaProject();
if (isMove) {
IJavaProject sourceProject = sourceElement.getJavaProject();
getDeltaFor(sourceProject).movedFrom(sourceElement, destinationElement);
if (!overWriteCU) {
getDeltaFor(destProject).movedTo(destinationElement, sourceElement);
return;
}
} else {
if (!overWriteCU) {
getDeltaFor(destProject).added(destinationElement);
return;
}
}
getDeltaFor(destinationElement.getJavaProject()).changed(destinationElement, IJavaElementDelta.F_CONTENT);
}
/**
* 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
boolean contentChanged = this.force && destFile.exists();
prepareDeltas(source, destCU, isMove(), contentChanged);
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(), false);
}
} 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);
}
}
}
/**
* Process all of the changed deltas generated by this operation.
*/
protected void processDeltas() {
for (Iterator deltas = this.deltasPerProject.values().iterator(); deltas.hasNext();){
addDelta((IJavaElementDelta) deltas.next());
}
}
/**
* @see MultiOperation
* This method delegates to <code>processCompilationUnitResource</code> or
* <code>processPackageFragmentResource</code>, depending on the type of
* <code>element</code>.
*/
protected void processElement(IJavaElement element) throws JavaModelException {
IJavaElement dest = getDestinationParent(element);
switch (element.getElementType()) {
case IJavaElement.COMPILATION_UNIT :
processCompilationUnitResource((ICompilationUnit) element, (PackageFragment) dest);
this.createdElements.add(((IPackageFragment) dest).getCompilationUnit(element.getElementName()));
break;
case IJavaElement.PACKAGE_FRAGMENT :
processPackageFragmentResource((PackageFragment) element, (PackageFragmentRoot) dest, getNewNameFor(element));
break;
default :
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, element));
}
}
/**
* @see MultiOperation
* Overridden to allow special processing of <code>JavaElementDelta</code>s
* and <code>fResultElements</code>.
*/
protected void processElements() throws JavaModelException {
this.createdElements = new ArrayList(this.elementsToProcess.length);
try {
super.processElements();
} catch (JavaModelException jme) {
throw jme;
} finally {
this.resultElements = new IJavaElement[this.createdElements.size()];
this.createdElements.toArray(this.resultElements);
processDeltas();
}
}
/**
* 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);
}
}
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);
}
/**
* 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 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);
}
}
}
private void updateReadOnlyPackageFragmentsForCopy(IContainer sourceFolder, PackageFragmentRoot root, String[] newFragName) {
IContainer parentFolder = (IContainer) root.resource();
for (int i = 0, length = newFragName.length; i <length; i++) {
String subFolderName = newFragName[i];
parentFolder = parentFolder.getFolder(new Path(subFolderName));
sourceFolder = sourceFolder.getFolder(new Path(subFolderName));
if (sourceFolder.exists() && Util.isReadOnly(sourceFolder)) {
Util.setReadOnly(parentFolder, true);
}
}
}
private void updateReadOnlyPackageFragmentsForMove(IContainer sourceFolder, PackageFragmentRoot root, String[] newFragName, boolean sourceFolderIsReadOnly) {
IContainer parentFolder = (IContainer) root.resource();
for (int i = 0, length = newFragName.length; i < length; i++) {
String subFolderName = newFragName[i];
parentFolder = parentFolder.getFolder(new Path(subFolderName));
sourceFolder = sourceFolder.getFolder(new Path(subFolderName));
if ((sourceFolder.exists() && Util.isReadOnly(sourceFolder)) || (i == length - 1 && sourceFolderIsReadOnly)) {
Util.setReadOnly(parentFolder, true);
// the source folder will be deleted anyway (move operation)
Util.setReadOnly(sourceFolder, false);
}
}
}
/**
* 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);
}
}
}
}
}
}
}
}
}
/**
* Possible failures:
* <ul>
* <li>NO_ELEMENTS_TO_PROCESS - no elements supplied to the operation
* <li>INDEX_OUT_OF_BOUNDS - the number of renamings supplied to the operation
* does not match the number of elements that were supplied.
* </ul>
*/
protected IJavaModelStatus verify() {
IJavaModelStatus status = super.verify();
if (!status.isOK()) {
return status;
}
if (this.renamingsList != null && this.renamingsList.length != this.elementsToProcess.length) {
return new JavaModelStatus(IJavaModelStatusConstants.INDEX_OUT_OF_BOUNDS);
}
return JavaModelStatus.VERIFIED_OK;
}
/**
* @see MultiOperation
*/
protected void verify(IJavaElement element) throws JavaModelException {
if (element == null || !element.exists())
error(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, element);
if (element.isReadOnly() && (isRename() || isMove()))
error(IJavaModelStatusConstants.READ_ONLY, element);
IResource resource = ((JavaElement) element).resource();
if (resource instanceof IFolder) {
if (resource.isLinked()) {
error(IJavaModelStatusConstants.INVALID_RESOURCE, element);
}
}
int elementType = element.getElementType();
if (elementType == IJavaElement.COMPILATION_UNIT) {
org.eclipse.jdt.internal.core.CompilationUnit compilationUnit = (org.eclipse.jdt.internal.core.CompilationUnit) element;
if (isMove() && compilationUnit.isWorkingCopy() && !compilationUnit.isPrimary())
error(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, element);
} else if (elementType != IJavaElement.PACKAGE_FRAGMENT) {
error(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, element);
}
JavaElement dest = (JavaElement) getDestinationParent(element);
verifyDestination(element, dest);
if (this.renamings != null) {
verifyRenaming(element);
}
}
}