| /******************************************************************************* |
| * 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 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 java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspace; |
| 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.env.AccessRuleSet; |
| import org.eclipse.jdt.internal.compiler.util.ObjectVector; |
| import org.eclipse.jdt.internal.core.search.indexing.IndexManager; |
| import org.eclipse.jdt.internal.core.util.Messages; |
| 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; |
| |
| /* |
| * Used to indicate that the classpath entries remain the same. |
| */ |
| public static final IClasspathEntry[] DO_NOT_SET_ENTRIES = new IClasspathEntry[0]; |
| |
| public static final IClasspathEntry[] DO_NOT_UPDATE_PROJECT_REFS = new IClasspathEntry[0]; |
| |
| /* |
| * Used to indicate that the output location remains the same. |
| */ |
| public static final IPath DO_NOT_SET_OUTPUT = 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 |
| } |
| } |
| } |
| |
| protected boolean canModifyRoots() { |
| // setting classpath can modify roots |
| return true; |
| } |
| |
| /** |
| * 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(); |
| IPath[] inclusionPatterns = entry.getInclusionPatterns(); |
| 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 inclusion patterns |
| IPath[] otherIncludes = other.getInclusionPatterns(); |
| if (inclusionPatterns != otherIncludes) { |
| if (inclusionPatterns == null) continue; |
| int includeLength = inclusionPatterns.length; |
| if (otherIncludes == null || otherIncludes.length != includeLength) |
| continue; |
| for (int j = 0; j < includeLength; j++) { |
| // compare toStrings instead of IPaths |
| // since IPath.equals is specified to ignore trailing separators |
| if (!inclusionPatterns[j].toString().equals(otherIncludes[j].toString())) |
| continue nextEntry; |
| } |
| } |
| // check exclusion patterns |
| IPath[] otherExcludes = other.getExclusionPatterns(); |
| if (exclusionPatterns != otherExcludes) { |
| if (exclusionPatterns == null) continue; |
| int excludeLength = exclusionPatterns.length; |
| if (otherExcludes == null || 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]); |
| PackageFragmentRoot root = (PackageFragmentRoot) 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[] pkgName = relativePath.segments(); |
| IPackageFragment pkg = root.getPackageFragment(pkgName); |
| 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 == DO_NOT_UPDATE_PROJECT_REFS) this.newRawPath = project.getRawClasspath(); |
| if (this.newRawPath != DO_NOT_SET_ENTRIES){ |
| 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 != DO_NOT_SET_OUTPUT) 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){ |
| Util.verbose("CPContainer INIT - FAILED to touch project: "+ this.project.getElementName(), System.err); //$NON-NLS-1$ |
| 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()); |
| boolean hasDelta = false; |
| if (this.classpathWasSaved) { |
| delta.changed(this.project, IJavaElementDelta.F_CLASSPATH_CHANGED); |
| hasDelta = true; |
| } |
| 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, |
| null, // inside original project |
| false, // don't check existency |
| false, // don't retrieve exported roots |
| null); /*no reverse map*/ |
| 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[][] inclusionPatterns = ((ClasspathEntry)oldEntry).fullInclusionPatternChars(); |
| final char[][] exclusionPatterns = ((ClasspathEntry)oldEntry).fullExclusionPatternChars(); |
| postAction(new IPostAction() { |
| public String getID() { |
| return path.toString(); |
| } |
| public void run() /* throws JavaModelException */ { |
| indexManager.removeSourceFolderFromIndex(project, path, inclusionPatterns, 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){ |
| // Need to updated dependents in case old and/or new entries are exported and have an access restriction |
| ClasspathEntry oldEntry = (ClasspathEntry) oldResolvedPath[i]; |
| ClasspathEntry newEntry = (ClasspathEntry) newResolvedPath[index]; |
| if (oldEntry.isExported || newEntry.isExported) { // then we need to verify if there's access restriction |
| AccessRuleSet oldRuleSet = oldEntry.getAccessRuleSet(); |
| AccessRuleSet newRuleSet = newEntry.getAccessRuleSet(); |
| if (index != i) { // entry has been moved |
| needToUpdateDependents |= (oldRuleSet != null || newRuleSet != null); // there's an access restriction, this may change combination |
| } else if (oldRuleSet == null) { |
| needToUpdateDependents |= newRuleSet != null; // access restriction was added |
| } else { |
| needToUpdateDependents |= !oldRuleSet.equals(newRuleSet); // access restriction has changed or has been removed |
| } |
| } |
| this.needCycleCheck |= (oldEntry.isExported() != newEntry.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[][] inclusionPatterns = ((ClasspathEntry)entry).fullInclusionPatternChars(); |
| final char[][] exclusionPatterns = ((ClasspathEntry)entry).fullExclusionPatternChars(); |
| postAction(new IPostAction() { |
| public String getID() { |
| return path.toString(); |
| } |
| public void run() /* throws JavaModelException */ { |
| indexManager.indexSourceFolder(project, path, inclusionPatterns, 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 == DO_NOT_SET_ENTRIES || this.newRawPath == DO_NOT_UPDATE_PROJECT_REFS){ |
| classpathForSave = project.getRawClasspath(); |
| } else { |
| classpathForSave = this.newRawPath; |
| } |
| IPath outputLocationForSave; |
| if (this.newOutputLocation == DO_NOT_SET_OUTPUT){ |
| 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 == DO_NOT_SET_ENTRIES){ |
| buffer.append("<Reuse Existing Classpath Entries>"); //$NON-NLS-1$ |
| } 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 == DO_NOT_SET_OUTPUT){ |
| 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(Messages.bind(Messages.classpath_settingProgress, project.getElementName()), 2); |
| |
| // 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, false/*don't returnResolutionInProgress*/); |
| } |
| |
| 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 |
| final String updateClasspath = "UpdateClassPath:"; //$NON-NLS-1$ |
| removeAllPostAction(updateClasspath + 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 |
| if (!affectedProject.isOpen()) continue; // skip project as its namelookup caches do not exist |
| |
| // 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 updateClasspath + affectedProject.getPath().toString(); |
| } |
| public void run() throws JavaModelException { |
| affectedProject.setRawClasspath( |
| DO_NOT_UPDATE_PROJECT_REFS, |
| SetClasspathOperation.DO_NOT_SET_OUTPUT, |
| SetClasspathOperation.this.progressMonitor, |
| SetClasspathOperation.this.canChangeResources, |
| affectedProject.getResolvedClasspath(true/*ignoreUnresolvedEntry*/, false/*don't generateMarkerOnError*/, false/*don't returnResolutionInProgress*/), |
| 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(Messages.bind(Messages.classpath_settingOutputLocationProgress, project.getElementName()), 2); |
| |
| 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.newRawPath == DO_NOT_SET_ENTRIES || this.newRawPath == DO_NOT_UPDATE_PROJECT_REFS) return; |
| // will run now, or be deferred until next pre-auto-build notification if resource tree is locked |
| JavaModelManager.getJavaModelManager().deltaState.performClasspathResourceChange( |
| project, |
| oldResolvedPath, |
| newResolvedPath, |
| newRawPath, |
| canChangeResources); |
| } |
| |
| public IJavaModelStatus verify() { |
| |
| IJavaModelStatus status = super.verify(); |
| if (!status.isOK()) { |
| return status; |
| } |
| |
| if (needValidation) { |
| // retrieve classpath |
| IClasspathEntry[] entries = this.newRawPath; |
| if (entries == DO_NOT_SET_ENTRIES){ |
| try { |
| entries = project.getRawClasspath(); |
| } catch (JavaModelException e) { |
| return e.getJavaModelStatus(); |
| } |
| } |
| // retrieve output location |
| IPath outputLocation = this.newOutputLocation; |
| if (outputLocation == DO_NOT_SET_OUTPUT){ |
| try { |
| outputLocation = project.getOutputLocation(); |
| } catch (JavaModelException e) { |
| return e.getJavaModelStatus(); |
| } |
| } |
| |
| // perform validation |
| return ClasspathEntry.validateClasspath( |
| project, |
| entries, |
| outputLocation); |
| } |
| |
| return JavaModelStatus.VERIFIED_OK; |
| } |
| } |
