/*******************************************************************************
* Copyright (c) 2000, 2008 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 org.eclipse.core.resources.*;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.*;
import org.eclipse.jdt.internal.core.util.Messages;
public class CopyPackageFragmentRootOperation extends JavaModelOperation {
IPath destination;
int updateResourceFlags;
int updateModelFlags;
IClasspathEntry sibling;
public CopyPackageFragmentRootOperation(
IPackageFragmentRoot root,
IPath destination,
int updateResourceFlags,
int updateModelFlags,
IClasspathEntry sibling) {
super(root);
this.destination = destination;
this.updateResourceFlags = updateResourceFlags;
this.updateModelFlags = updateModelFlags;
this.sibling = sibling;
}
protected void executeOperation() throws JavaModelException {
IPackageFragmentRoot root = (IPackageFragmentRoot)getElementToProcess();
IClasspathEntry rootEntry = root.getRawClasspathEntry();
IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
// copy resource
if (!root.isExternal() && (this.updateModelFlags & IPackageFragmentRoot.NO_RESOURCE_MODIFICATION) == 0) {
copyResource(root, rootEntry, workspaceRoot);
}
// update classpath if needed
if ((this.updateModelFlags & IPackageFragmentRoot.DESTINATION_PROJECT_CLASSPATH) != 0) {
addEntryToClasspath(rootEntry, workspaceRoot);
}
}
protected void copyResource(
IPackageFragmentRoot root,
IClasspathEntry rootEntry,
final IWorkspaceRoot workspaceRoot)
throws JavaModelException {
final char[][] exclusionPatterns = ((ClasspathEntry)rootEntry).fullExclusionPatternChars();
IResource rootResource = ((JavaElement) root).resource();
if (root.getKind() == IPackageFragmentRoot.K_BINARY || exclusionPatterns == null) {
try {
IResource destRes;
if ((this.updateModelFlags & IPackageFragmentRoot.REPLACE) != 0) {
if (rootEntry.getPath().equals(this.destination)) return;
if ((destRes = workspaceRoot.findMember(this.destination)) != null) {
destRes.delete(this.updateResourceFlags, this.progressMonitor);
}
}
rootResource.copy(this.destination, this.updateResourceFlags, this.progressMonitor);
} catch (CoreException e) {
throw new JavaModelException(e);
}
} else {
final int sourceSegmentCount = rootEntry.getPath().segmentCount();
final IFolder destFolder = workspaceRoot.getFolder(this.destination);
final IPath[] nestedFolders = getNestedFolders(root);
IResourceProxyVisitor visitor = new IResourceProxyVisitor() {
public boolean visit(IResourceProxy proxy) throws CoreException {
if (proxy.getType() == IResource.FOLDER) {
IPath path = proxy.requestFullPath();
if (prefixesOneOf(path, nestedFolders)) {
if (equalsOneOf(path, nestedFolders)) {
// nested source folder
return false;
} else {
// folder containing nested source folder
IFolder folder = destFolder.getFolder(path.removeFirstSegments(sourceSegmentCount));
if ((CopyPackageFragmentRootOperation.this.updateModelFlags & IPackageFragmentRoot.REPLACE) != 0
&& folder.exists()) {
return true;
}
folder.create(CopyPackageFragmentRootOperation.this.updateResourceFlags, true, CopyPackageFragmentRootOperation.this.progressMonitor);
return true;
}
} else {
// subtree doesn't contain any nested source folders
IPath destPath = CopyPackageFragmentRootOperation.this.destination.append(path.removeFirstSegments(sourceSegmentCount));
IResource destRes;
if ((CopyPackageFragmentRootOperation.this.updateModelFlags & IPackageFragmentRoot.REPLACE) != 0
&& (destRes = workspaceRoot.findMember(destPath)) != null) {
destRes.delete(CopyPackageFragmentRootOperation.this.updateResourceFlags, CopyPackageFragmentRootOperation.this.progressMonitor);
}
proxy.requestResource().copy(destPath, CopyPackageFragmentRootOperation.this.updateResourceFlags, CopyPackageFragmentRootOperation.this.progressMonitor);
return false;
}
} else {
IPath path = proxy.requestFullPath();
IPath destPath = CopyPackageFragmentRootOperation.this.destination.append(path.removeFirstSegments(sourceSegmentCount));
IResource destRes;
if ((CopyPackageFragmentRootOperation.this.updateModelFlags & IPackageFragmentRoot.REPLACE) != 0
&& (destRes = workspaceRoot.findMember(destPath)) != null) {
destRes.delete(CopyPackageFragmentRootOperation.this.updateResourceFlags, CopyPackageFragmentRootOperation.this.progressMonitor);
}
proxy.requestResource().copy(destPath, CopyPackageFragmentRootOperation.this.updateResourceFlags, CopyPackageFragmentRootOperation.this.progressMonitor);
return false;
}
}
};
try {
rootResource.accept(visitor, IResource.NONE);
} catch (CoreException e) {
throw new JavaModelException(e);
}
}
setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
}
protected void addEntryToClasspath(IClasspathEntry rootEntry, IWorkspaceRoot workspaceRoot) throws JavaModelException {
IProject destProject = workspaceRoot.getProject(this.destination.segment(0));
IJavaProject jProject = JavaCore.create(destProject);
IClasspathEntry[] classpath = jProject.getRawClasspath();
int length = classpath.length;
IClasspathEntry[] newClasspath;
// case of existing entry and REPLACE was specified
if ((this.updateModelFlags & IPackageFragmentRoot.REPLACE) != 0) {
// find existing entry
for (int i = 0; i < length; i++) {
if (this.destination.equals(classpath[i].getPath())) {
newClasspath = new IClasspathEntry[length];
System.arraycopy(classpath, 0, newClasspath, 0, length);
newClasspath[i] = copy(rootEntry);
jProject.setRawClasspath(newClasspath, this.progressMonitor);
return;
}
}
}
// other cases
int position;
if (this.sibling == null) {
// insert at the end
position = length;
} else {
// insert before sibling
position = -1;
for (int i = 0; i < length; i++) {
if (this.sibling.equals(classpath[i])) {
position = i;
break;
}
}
}
if (position == -1) {
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_SIBLING, this.sibling.toString()));
}
newClasspath = new IClasspathEntry[length+1];
if (position != 0) {
System.arraycopy(classpath, 0, newClasspath, 0, position);
}
if (position != length) {
System.arraycopy(classpath, position, newClasspath, position+1, length-position);
}
IClasspathEntry newEntry = copy(rootEntry);
newClasspath[position] = newEntry;
jProject.setRawClasspath(newClasspath, this.progressMonitor);
}
/*
* Copies the given classpath entry replacing its path with the destination path
* if it is a source folder or a library.
*/
protected IClasspathEntry copy(IClasspathEntry entry) throws JavaModelException {
switch (entry.getEntryKind()) {
case IClasspathEntry.CPE_CONTAINER:
return JavaCore.newContainerEntry(entry.getPath(), entry.getAccessRules(), entry.getExtraAttributes(), entry.isExported());
case IClasspathEntry.CPE_LIBRARY:
try {
return JavaCore.newLibraryEntry(this.destination, entry.getSourceAttachmentPath(), entry.getSourceAttachmentRootPath(), entry.getAccessRules(), entry.getExtraAttributes(), entry.isExported());
} catch (ClasspathEntry.AssertionFailedException e) {
IJavaModelStatus status = new JavaModelStatus(IJavaModelStatusConstants.INVALID_PATH, e.getMessage());
throw new JavaModelException(status);
}
case IClasspathEntry.CPE_PROJECT:
return JavaCore.newProjectEntry(entry.getPath(), entry.getAccessRules(), entry.combineAccessRules(), entry.getExtraAttributes(), entry.isExported());
case IClasspathEntry.CPE_SOURCE:
return JavaCore.newSourceEntry(this.destination, entry.getInclusionPatterns(), entry.getExclusionPatterns(), entry.getOutputLocation(), entry.getExtraAttributes());
case IClasspathEntry.CPE_VARIABLE:
try {
return JavaCore.newVariableEntry(entry.getPath(), entry.getSourceAttachmentPath(), entry.getSourceAttachmentRootPath(), entry.getAccessRules(), entry.getExtraAttributes(), entry.isExported());
} catch (ClasspathEntry.AssertionFailedException e) {
IJavaModelStatus status = new JavaModelStatus(IJavaModelStatusConstants.INVALID_PATH, e.getMessage());
throw new JavaModelException(status);
}
default:
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, getElementToProcess()));
}
}
public IJavaModelStatus verify() {
IJavaModelStatus status = super.verify();
if (!status.isOK()) {
return status;
}
PackageFragmentRoot root = (PackageFragmentRoot)getElementToProcess();
if (root == null || !root.exists()) {
return new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, root);
}
IResource resource = root.resource();
if (resource instanceof IFolder) {
if (resource.isLinked()) {
return new JavaModelStatus(IJavaModelStatusConstants.INVALID_RESOURCE, root);
}
}
if ((this.updateModelFlags & IPackageFragmentRoot.DESTINATION_PROJECT_CLASSPATH) != 0) {
String destProjectName = this.destination.segment(0);
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(destProjectName);
if (JavaProject.hasJavaNature(project)) {
try {
IJavaProject destProject = JavaCore.create(project);
IClasspathEntry[] destClasspath = destProject.getRawClasspath();
boolean foundSibling = false;
boolean foundExistingEntry = false;
for (int i = 0, length = destClasspath.length; i < length; i++) {
IClasspathEntry entry = destClasspath[i];
if (entry.equals(this.sibling)) {
foundSibling = true;
break;
}
if (entry.getPath().equals(this.destination)) {
foundExistingEntry = true;
}
}
if (this.sibling != null && !foundSibling) {
return new JavaModelStatus(IJavaModelStatusConstants.INVALID_SIBLING, this.sibling.toString());
}
if (foundExistingEntry && (this.updateModelFlags & IPackageFragmentRoot.REPLACE) == 0) {
return new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Messages.bind(Messages.status_nameCollision, new String[] {this.destination.toString()}));
}
} catch (JavaModelException e) {
return e.getJavaModelStatus();
}
}
}
return JavaModelStatus.VERIFIED_OK;
}
}