blob: 9770f46dc3a4cbd9c098a0a7e0933fe5a54fbb19 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core;
import java.io.File;
import java.util.*;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaElementDelta;
import org.eclipse.jdt.core.IJavaModel;
import org.eclipse.jdt.core.IJavaModelStatus;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.compiler.util.ObjectVector;
import org.eclipse.jdt.internal.core.search.indexing.IndexManager;
import org.eclipse.jdt.internal.core.util.Util;
/**
* This operation sets an <code>IJavaProject</code>'s classpath.
*
* @see IJavaProject
*/
public class SetClasspathOperation extends JavaModelOperation {
IClasspathEntry[] oldResolvedPath, newResolvedPath;
IClasspathEntry[] newRawPath;
boolean canChangeResources;
boolean classpathWasSaved;
boolean needCycleCheck;
boolean needValidation;
boolean needSave;
IPath newOutputLocation;
JavaProject project;
boolean identicalRoots;
public static final IClasspathEntry[] ReuseClasspath = new IClasspathEntry[0];
public static final IClasspathEntry[] UpdateClasspath = new IClasspathEntry[0];
// if reusing output location, then also reuse clean flag
public static final IPath ReuseOutputLocation = new Path("Reuse Existing Output Location"); //$NON-NLS-1$
/**
* When executed, this operation sets the classpath of the given project.
*/
public SetClasspathOperation(
JavaProject project,
IClasspathEntry[] oldResolvedPath,
IClasspathEntry[] newRawPath,
IPath newOutputLocation,
boolean canChangeResource,
boolean needValidation,
boolean needSave) {
super(new IJavaElement[] { project });
this.oldResolvedPath = oldResolvedPath;
this.newRawPath = newRawPath;
this.newOutputLocation = newOutputLocation;
this.canChangeResources = canChangeResource;
this.needValidation = needValidation;
this.needSave = needSave;
this.project = project;
}
/**
* Adds deltas for the given roots, with the specified change flag,
* and closes the root. Helper method for #setClasspath
*/
protected void addClasspathDeltas(
IPackageFragmentRoot[] roots,
int flag,
JavaElementDelta delta) {
for (int i = 0; i < roots.length; i++) {
IPackageFragmentRoot root = roots[i];
delta.changed(root, flag);
if ((flag & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0
|| (flag & IJavaElementDelta.F_SOURCEATTACHED) != 0
|| (flag & IJavaElementDelta.F_SOURCEDETACHED) != 0){
try {
root.close();
} catch (JavaModelException e) {
// ignore
}
// force detach source on jar package fragment roots (source will be lazily computed when needed)
((PackageFragmentRoot) root).setSourceAttachmentProperty(null);// loose info - will be recomputed
}
}
}
/**
* Returns the index of the item in the list if the given list contains the specified entry. If the list does
* not contain the entry, -1 is returned.
* A helper method for #setClasspath
*/
protected int classpathContains(
IClasspathEntry[] list,
IClasspathEntry entry) {
IPath[] exclusionPatterns = entry.getExclusionPatterns();
nextEntry: for (int i = 0; i < list.length; i++) {
IClasspathEntry other = list[i];
if (other.getContentKind() == entry.getContentKind()
&& other.getEntryKind() == entry.getEntryKind()
&& other.isExported() == entry.isExported()
&& other.getPath().equals(entry.getPath())) {
// check custom outputs
IPath entryOutput = entry.getOutputLocation();
IPath otherOutput = other.getOutputLocation();
if (entryOutput == null) {
if (otherOutput != null)
continue;
} else {
if (!entryOutput.equals(otherOutput))
continue;
}
// check exclusion patterns
IPath[] otherExcludes = other.getExclusionPatterns();
if (exclusionPatterns != otherExcludes) {
int excludeLength = exclusionPatterns.length;
if (otherExcludes.length != excludeLength)
continue;
for (int j = 0; j < excludeLength; j++) {
// compare toStrings instead of IPaths
// since IPath.equals is specified to ignore trailing separators
if (!exclusionPatterns[j].toString().equals(otherExcludes[j].toString()))
continue nextEntry;
}
}
return i;
}
}
return -1;
}
/**
* Recursively adds all subfolders of <code>folder</code> to the given collection.
*/
protected void collectAllSubfolders(IFolder folder, ArrayList collection) throws JavaModelException {
try {
IResource[] members= folder.members();
for (int i = 0, max = members.length; i < max; i++) {
IResource r= members[i];
if (r.getType() == IResource.FOLDER) {
collection.add(r);
collectAllSubfolders((IFolder)r, collection);
}
}
} catch (CoreException e) {
throw new JavaModelException(e);
}
}
/**
* Returns a collection of package fragments that have been added/removed
* as the result of changing the output location to/from the given
* location. The collection is empty if no package fragments are
* affected.
*/
protected ArrayList determineAffectedPackageFragments(IPath location) throws JavaModelException {
ArrayList fragments = new ArrayList();
// see if this will cause any package fragments to be affected
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IResource resource = null;
if (location != null) {
resource = workspace.getRoot().findMember(location);
}
if (resource != null && resource.getType() == IResource.FOLDER) {
IFolder folder = (IFolder) resource;
// only changes if it actually existed
IClasspathEntry[] classpath = project.getExpandedClasspath(true);
for (int i = 0; i < classpath.length; i++) {
IClasspathEntry entry = classpath[i];
IPath path = classpath[i].getPath();
if (entry.getEntryKind() != IClasspathEntry.CPE_PROJECT && path.isPrefixOf(location) && !path.equals(location)) {
IPackageFragmentRoot[] roots = project.computePackageFragmentRoots(classpath[i]);
IPackageFragmentRoot root = roots[0];
// now the output location becomes a package fragment - along with any subfolders
ArrayList folders = new ArrayList();
folders.add(folder);
collectAllSubfolders(folder, folders);
Iterator elements = folders.iterator();
int segments = path.segmentCount();
while (elements.hasNext()) {
IFolder f = (IFolder) elements.next();
IPath relativePath = f.getFullPath().removeFirstSegments(segments);
String name = relativePath.toOSString();
name = name.replace(File.pathSeparatorChar, '.');
if (name.endsWith(".")) { //$NON-NLS-1$
name = name.substring(0, name.length() - 1);
}
IPackageFragment pkg = root.getPackageFragment(name);
fragments.add(pkg);
}
}
}
}
return fragments;
}
/**
* Sets the classpath of the pre-specified project.
*/
protected void executeOperation() throws JavaModelException {
// project reference updated - may throw an exception if unable to write .project file
updateProjectReferencesIfNecessary();
// classpath file updated - may throw an exception if unable to write .classpath file
saveClasspathIfNecessary();
// perform classpath and output location updates, if exception occurs in classpath update,
// make sure the output location is updated before surfacing the exception (in case the output
// location update also throws an exception, give priority to the classpath update one).
JavaModelException originalException = null;
try {
if (this.newRawPath == UpdateClasspath) this.newRawPath = project.getRawClasspath();
if (this.newRawPath != ReuseClasspath){
updateClasspath();
project.updatePackageFragmentRoots();
JavaModelManager.getJavaModelManager().getDeltaProcessor().addForRefresh(project);
}
} catch(JavaModelException e){
originalException = e;
throw e;
} finally { // if traversed by an exception we still need to update the output location when necessary
try {
if (this.newOutputLocation != ReuseOutputLocation) updateOutputLocation();
} catch(JavaModelException e){
if (originalException != null) throw originalException;
throw e;
} finally {
// ensures the project is getting rebuilt if only variable is modified
if (!this.identicalRoots && this.canChangeResources) {
try {
this.project.getProject().touch(this.progressMonitor);
} catch (CoreException e) {
if (JavaModelManager.CP_RESOLVE_VERBOSE){
System.out.println("CPInit - FAILED to touch project: "+ this.project.getElementName()); //$NON-NLS-1$
e.printStackTrace();
}
}
}
}
}
done();
}
/**
* Generates the delta of removed/added/reordered roots.
* Use three deltas in case the same root is removed/added/reordered (for
* instance, if it is changed from K_SOURCE to K_BINARY or vice versa)
*/
protected void generateClasspathChangeDeltas() {
JavaModelManager manager = JavaModelManager.getJavaModelManager();
boolean needToUpdateDependents = false;
JavaElementDelta delta = new JavaElementDelta(getJavaModel());
if (this.classpathWasSaved) {
delta.changed(this.project, IJavaElementDelta.F_CLASSPATH_CHANGED);
}
boolean hasDelta = false;
int oldLength = oldResolvedPath.length;
int newLength = newResolvedPath.length;
final IndexManager indexManager = manager.getIndexManager();
Map oldRoots = null;
IPackageFragmentRoot[] roots = null;
if (project.isOpen()) {
try {
roots = project.getPackageFragmentRoots();
} catch (JavaModelException e) {
// ignore
}
} else {
Map allRemovedRoots ;
if ((allRemovedRoots = manager.getDeltaProcessor().removedRoots) != null) {
roots = (IPackageFragmentRoot[]) allRemovedRoots.get(project);
}
}
if (roots != null) {
oldRoots = new HashMap();
for (int i = 0; i < roots.length; i++) {
IPackageFragmentRoot root = roots[i];
oldRoots.put(root.getPath(), root);
}
}
for (int i = 0; i < oldLength; i++) {
int index = classpathContains(newResolvedPath, oldResolvedPath[i]);
if (index == -1) {
// do not notify remote project changes
if (oldResolvedPath[i].getEntryKind() == IClasspathEntry.CPE_PROJECT){
needToUpdateDependents = true;
this.needCycleCheck = true;
continue;
}
IPackageFragmentRoot[] pkgFragmentRoots = null;
if (oldRoots != null) {
IPackageFragmentRoot oldRoot = (IPackageFragmentRoot) oldRoots.get(oldResolvedPath[i].getPath());
if (oldRoot != null) { // use old root if any (could be none if entry wasn't bound)
pkgFragmentRoots = new IPackageFragmentRoot[] { oldRoot };
}
}
if (pkgFragmentRoots == null) {
try {
ObjectVector accumulatedRoots = new ObjectVector();
HashSet rootIDs = new HashSet(5);
rootIDs.add(project.rootID());
project.computePackageFragmentRoots(
oldResolvedPath[i],
accumulatedRoots,
rootIDs,
true, // inside original project
false, // don't check existency
false); // don't retrieve exported roots
pkgFragmentRoots = new IPackageFragmentRoot[accumulatedRoots.size()];
accumulatedRoots.copyInto(pkgFragmentRoots);
} catch (JavaModelException e) {
pkgFragmentRoots = new IPackageFragmentRoot[] {};
}
}
addClasspathDeltas(pkgFragmentRoots, IJavaElementDelta.F_REMOVED_FROM_CLASSPATH, delta);
int changeKind = oldResolvedPath[i].getEntryKind();
needToUpdateDependents |= (changeKind == IClasspathEntry.CPE_SOURCE) || oldResolvedPath[i].isExported();
// Remove the .java files from the index for a source folder
// For a lib folder or a .jar file, remove the corresponding index if not shared.
if (indexManager != null) {
IClasspathEntry oldEntry = oldResolvedPath[i];
final IPath path = oldEntry.getPath();
switch (changeKind) {
case IClasspathEntry.CPE_SOURCE:
final char[][] exclusionPatterns = ((ClasspathEntry)oldEntry).fullExclusionPatternChars();
postAction(new IPostAction() {
public String getID() {
return path.toString();
}
public void run() /* throws JavaModelException */ {
indexManager.removeSourceFolderFromIndex(project, path, exclusionPatterns);
}
},
REMOVEALL_APPEND);
break;
case IClasspathEntry.CPE_LIBRARY:
final DeltaProcessingState deltaState = manager.deltaState;
postAction(new IPostAction() {
public String getID() {
return path.toString();
}
public void run() /* throws JavaModelException */ {
if (deltaState.otherRoots.get(path) == null) { // if root was not shared
indexManager.discardJobs(path.toString());
indexManager.removeIndex(path);
// TODO (kent) we could just remove the in-memory index and have the indexing check for timestamps
}
}
},
REMOVEALL_APPEND);
break;
}
}
hasDelta = true;
} else {
// do not notify remote project changes
if (oldResolvedPath[i].getEntryKind() == IClasspathEntry.CPE_PROJECT){
this.needCycleCheck |= (oldResolvedPath[i].isExported() != newResolvedPath[index].isExported());
continue;
}
needToUpdateDependents |= (oldResolvedPath[i].isExported() != newResolvedPath[index].isExported());
if (index != i) { //reordering of the classpath
addClasspathDeltas(
project.computePackageFragmentRoots(oldResolvedPath[i]),
IJavaElementDelta.F_REORDER,
delta);
int changeKind = oldResolvedPath[i].getEntryKind();
needToUpdateDependents |= (changeKind == IClasspathEntry.CPE_SOURCE);
hasDelta = true;
}
// check source attachment
IPath newSourcePath = newResolvedPath[index].getSourceAttachmentPath();
int sourceAttachmentFlags =
this.getSourceAttachmentDeltaFlag(
oldResolvedPath[i].getSourceAttachmentPath(),
newSourcePath);
IPath oldRootPath = oldResolvedPath[i].getSourceAttachmentRootPath();
IPath newRootPath = newResolvedPath[index].getSourceAttachmentRootPath();
int sourceAttachmentRootFlags = getSourceAttachmentDeltaFlag(oldRootPath, newRootPath);
int flags = sourceAttachmentFlags | sourceAttachmentRootFlags;
if (flags != 0) {
addClasspathDeltas(project.computePackageFragmentRoots(oldResolvedPath[i]), flags, delta);
hasDelta = true;
} else {
if (oldRootPath == null && newRootPath == null) {
// if source path is specified and no root path, it needs to be recomputed dynamically
// force detach source on jar package fragment roots (source will be lazily computed when needed)
IPackageFragmentRoot[] computedRoots = project.computePackageFragmentRoots(oldResolvedPath[i]);
for (int j = 0; j < computedRoots.length; j++) {
IPackageFragmentRoot root = computedRoots[j];
// force detach source on jar package fragment roots (source will be lazily computed when needed)
try {
root.close();
} catch (JavaModelException e) {
// ignore
}
((PackageFragmentRoot) root).setSourceAttachmentProperty(null);// loose info - will be recomputed
}
}
}
}
}
for (int i = 0; i < newLength; i++) {
int index = classpathContains(oldResolvedPath, newResolvedPath[i]);
if (index == -1) {
// do not notify remote project changes
if (newResolvedPath[i].getEntryKind() == IClasspathEntry.CPE_PROJECT){
needToUpdateDependents = true;
this.needCycleCheck = true;
continue;
}
addClasspathDeltas(
project.computePackageFragmentRoots(newResolvedPath[i]),
IJavaElementDelta.F_ADDED_TO_CLASSPATH,
delta);
int changeKind = newResolvedPath[i].getEntryKind();
// Request indexing
if (indexManager != null) {
switch (changeKind) {
case IClasspathEntry.CPE_LIBRARY:
boolean pathHasChanged = true;
final IPath newPath = newResolvedPath[i].getPath();
for (int j = 0; j < oldLength; j++) {
IClasspathEntry oldEntry = oldResolvedPath[j];
if (oldEntry.getPath().equals(newPath)) {
pathHasChanged = false;
break;
}
}
if (pathHasChanged) {
postAction(new IPostAction() {
public String getID() {
return newPath.toString();
}
public void run() /* throws JavaModelException */ {
indexManager.indexLibrary(newPath, project.getProject());
}
},
REMOVEALL_APPEND);
}
break;
case IClasspathEntry.CPE_SOURCE:
IClasspathEntry entry = newResolvedPath[i];
final IPath path = entry.getPath();
final char[][] exclusionPatterns = ((ClasspathEntry)entry).fullExclusionPatternChars();
postAction(new IPostAction() {
public String getID() {
return path.toString();
}
public void run() /* throws JavaModelException */ {
indexManager.indexSourceFolder(project, path, exclusionPatterns);
}
},
APPEND); // append so that a removeSourceFolder action is not removed
break;
}
}
needToUpdateDependents |= (changeKind == IClasspathEntry.CPE_SOURCE) || newResolvedPath[i].isExported();
hasDelta = true;
} // classpath reordering has already been generated in previous loop
}
if (hasDelta) {
this.addDelta(delta);
} else {
this.identicalRoots = true;
}
if (needToUpdateDependents){
updateAffectedProjects(project.getProject().getFullPath());
}
}
/*
* Returns the source attachment flag for the delta between the 2 give source paths.
* Returns either F_SOURCEATTACHED, F_SOURCEDETACHED, F_SOURCEATTACHED | F_SOURCEDETACHED
* or 0 if there is no difference.
*/
private int getSourceAttachmentDeltaFlag(IPath oldPath, IPath newPath) {
if (oldPath == null) {
if (newPath != null) {
return IJavaElementDelta.F_SOURCEATTACHED;
} else {
return 0;
}
} else if (newPath == null) {
return IJavaElementDelta.F_SOURCEDETACHED;
} else if (!oldPath.equals(newPath)) {
return IJavaElementDelta.F_SOURCEATTACHED | IJavaElementDelta.F_SOURCEDETACHED;
} else {
return 0;
}
}
/**
* Returns <code>true</code> if this operation performs no resource modifications,
* otherwise <code>false</code>. Subclasses must override.
*/
public boolean isReadOnly() {
return !this.canChangeResources;
}
protected void saveClasspathIfNecessary() throws JavaModelException {
if (!this.canChangeResources || !this.needSave) return;
IClasspathEntry[] classpathForSave;
if (this.newRawPath == ReuseClasspath || this.newRawPath == UpdateClasspath){
classpathForSave = project.getRawClasspath();
} else {
classpathForSave = this.newRawPath;
}
IPath outputLocationForSave;
if (this.newOutputLocation == ReuseOutputLocation){
outputLocationForSave = project.getOutputLocation();
} else {
outputLocationForSave = this.newOutputLocation;
}
// if read-only .classpath, then the classpath setting will never been performed completely
if (project.saveClasspath(classpathForSave, outputLocationForSave)) {
this.classpathWasSaved = true;
this.setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
}
}
public String toString(){
StringBuffer buffer = new StringBuffer(20);
buffer.append("SetClasspathOperation\n"); //$NON-NLS-1$
buffer.append(" - classpath : "); //$NON-NLS-1$
if (this.newRawPath == ReuseClasspath){
buffer.append("<Reuse Existing Classpath>"); //$NON-NLS-1$
} else {
buffer.append("{"); //$NON-NLS-1$
for (int i = 0; i < this.newRawPath.length; i++) {
if (i > 0) buffer.append(","); //$NON-NLS-1$
IClasspathEntry element = this.newRawPath[i];
buffer.append(" ").append(element.toString()); //$NON-NLS-1$
}
}
buffer.append("\n - output location : "); //$NON-NLS-1$
if (this.newOutputLocation == ReuseOutputLocation){
buffer.append("<Reuse Existing Output Location>"); //$NON-NLS-1$
} else {
buffer.append(this.newOutputLocation.toString()); //$NON-NLS-1$
}
return buffer.toString();
}
private void updateClasspath() throws JavaModelException {
beginTask(Util.bind("classpath.settingProgress", project.getElementName()), 2); //$NON-NLS-1$
// SIDE-EFFECT: from thereon, the classpath got modified
project.getPerProjectInfo().updateClasspathInformation(this.newRawPath);
// resolve new path (asking for marker creation if problems)
if (this.newResolvedPath == null) {
this.newResolvedPath = project.getResolvedClasspath(true, this.canChangeResources);
}
if (this.oldResolvedPath != null) {
generateClasspathChangeDeltas();
} else {
this.needCycleCheck = true;
updateAffectedProjects(project.getProject().getFullPath());
}
updateCycleMarkersIfNecessary();
}
/**
* Update projects which are affected by this classpath change:
* those which refers to the current project as source (indirectly)
*/
protected void updateAffectedProjects(IPath prerequisiteProjectPath) {
// remove all update classpath post actions for this project
removeAllPostAction(prerequisiteProjectPath.toString());
try {
IJavaModel model = JavaModelManager.getJavaModelManager().getJavaModel();
IJavaProject initialProject = this.project;
IJavaProject[] projects = model.getJavaProjects();
for (int i = 0, projectCount = projects.length; i < projectCount; i++) {
try {
final JavaProject affectedProject = (JavaProject) projects[i];
if (affectedProject.equals(initialProject)) continue; // skip itself
// consider ALL dependents (even indirect ones), since they may need to
// flush their respective namelookup caches (all pkg fragment roots).
IClasspathEntry[] classpath = affectedProject.getExpandedClasspath(true);
for (int j = 0, entryCount = classpath.length; j < entryCount; j++) {
IClasspathEntry entry = classpath[j];
if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT
&& entry.getPath().equals(prerequisiteProjectPath)) {
postAction(new IPostAction() {
public String getID() {
return affectedProject.getPath().toString();
}
public void run() throws JavaModelException {
affectedProject.setRawClasspath(
UpdateClasspath,
SetClasspathOperation.ReuseOutputLocation,
SetClasspathOperation.this.progressMonitor,
SetClasspathOperation.this.canChangeResources,
affectedProject.getResolvedClasspath(true),
false, // updating only - no validation
false); // updating only - no need to save
}
},
REMOVEALL_APPEND);
break;
}
}
} catch (JavaModelException e) {
// ignore
}
}
} catch (JavaModelException e) {
// ignore
}
}
/**
* Update cycle markers
*/
protected void updateCycleMarkersIfNecessary() {
if (!this.needCycleCheck) return;
if (!this.canChangeResources) return;
if (!project.hasCycleMarker() && !project.hasClasspathCycle(newResolvedPath)){
return;
}
postAction(
new IPostAction() {
public String getID() {
return "updateCycleMarkers"; //$NON-NLS-1$
}
public void run() throws JavaModelException {
JavaProject.updateAllCycleMarkers(null);
}
},
REMOVEALL_APPEND);
}
/**
* Sets the output location of the pre-specified project.
*
* <p>This can cause changes in package fragments, in case either the
* old or new output location folder are considered as a package fragment.
*/
protected void updateOutputLocation() throws JavaModelException {
beginTask(Util.bind("classpath.settingOutputLocationProgress", project.getElementName()), 2); //$NON-NLS-1$
IPath oldLocation= project.getOutputLocation();
// see if this will cause any package fragments to be added
boolean deltaToFire= false;
JavaElementDelta delta = newJavaElementDelta();
ArrayList added= determineAffectedPackageFragments(oldLocation);
Iterator iter = added.iterator();
while (iter.hasNext()){
IPackageFragment frag= (IPackageFragment)iter.next();
((IPackageFragmentRoot)frag.getParent()).close();
if (!Util.isExcluded(frag)) {
delta.added(frag);
deltaToFire = true;
}
}
// see if this will cause any package fragments to be removed
ArrayList removed= determineAffectedPackageFragments(this.newOutputLocation);
iter = removed.iterator();
while (iter.hasNext()){
IPackageFragment frag= (IPackageFragment)iter.next();
((IPackageFragmentRoot)frag.getParent()).close();
if (!Util.isExcluded(frag)) {
delta.removed(frag);
deltaToFire = true;
}
}
JavaModelManager.PerProjectInfo perProjectInfo = project.getPerProjectInfo();
synchronized (perProjectInfo) {
perProjectInfo.outputLocation = this.newOutputLocation;
}
if (deltaToFire) {
addDelta(delta);
}
worked(1);
}
/**
* Update projects references so that the build order is consistent with the classpath
*/
protected void updateProjectReferencesIfNecessary() throws JavaModelException {
if (!this.canChangeResources) return;
if (this.newRawPath == ReuseClasspath || this.newRawPath == UpdateClasspath) return;
String[] oldRequired = this.project.projectPrerequisites(this.oldResolvedPath);
if (this.newResolvedPath == null) {
this.newResolvedPath = this.project.getResolvedClasspath(this.newRawPath, null, true, true, null/*no reverse map*/);
}
String[] newRequired = this.project.projectPrerequisites(this.newResolvedPath);
try {
IProject projectResource = this.project.getProject();
IProjectDescription description = projectResource.getDescription();
IProject[] projectReferences = description.getReferencedProjects();
HashSet oldReferences = new HashSet(projectReferences.length);
for (int i = 0; i < projectReferences.length; i++){
String projectName = projectReferences[i].getName();
oldReferences.add(projectName);
}
HashSet newReferences = (HashSet)oldReferences.clone();
for (int i = 0; i < oldRequired.length; i++){
String projectName = oldRequired[i];
newReferences.remove(projectName);
}
for (int i = 0; i < newRequired.length; i++){
String projectName = newRequired[i];
newReferences.add(projectName);
}
Iterator iter;
int newSize = newReferences.size();
checkIdentity: {
if (oldReferences.size() == newSize){
iter = newReferences.iterator();
while (iter.hasNext()){
if (!oldReferences.contains(iter.next())){
break checkIdentity;
}
}
return;
}
}
String[] requiredProjectNames = new String[newSize];
int index = 0;
iter = newReferences.iterator();
while (iter.hasNext()){
requiredProjectNames[index++] = (String)iter.next();
}
Util.sort(requiredProjectNames); // ensure that if changed, the order is consistent
IProject[] requiredProjectArray = new IProject[newSize];
IWorkspaceRoot wksRoot = projectResource.getWorkspace().getRoot();
for (int i = 0; i < newSize; i++){
requiredProjectArray[i] = wksRoot.getProject(requiredProjectNames[i]);
}
description.setReferencedProjects(requiredProjectArray);
projectResource.setDescription(description, this.progressMonitor);
} catch(CoreException e){
throw new JavaModelException(e);
}
}
public IJavaModelStatus verify() {
IJavaModelStatus status = super.verify();
if (!status.isOK()) {
return status;
}
if (needValidation) {
// retrieve classpath
IClasspathEntry[] entries = this.newRawPath;
if (entries == ReuseClasspath){
try {
entries = project.getRawClasspath();
} catch (JavaModelException e) {
return e.getJavaModelStatus();
}
}
// retrieve output location
IPath outputLocation = this.newOutputLocation;
if (outputLocation == ReuseOutputLocation){
try {
outputLocation = project.getOutputLocation();
} catch (JavaModelException e) {
return e.getJavaModelStatus();
}
}
// perform validation
return ClasspathEntry.validateClasspath(
project,
entries,
outputLocation);
}
return JavaModelStatus.VERIFIED_OK;
}
}