| /******************************************************************************* |
| * Copyright (c) 2001, 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.core.internal.tasks; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.resources.IResourceDeltaVisitor; |
| import org.eclipse.core.resources.IResourceVisitor; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.core.runtime.content.IContentDescription; |
| import org.eclipse.core.runtime.content.IContentType; |
| import org.eclipse.wst.sse.core.internal.Logger; |
| |
| class TaskScanner { |
| static final boolean _debug = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.sse.core/tasks")); //$NON-NLS-1$ //$NON-NLS-2$ |
| static final boolean _debugContentTypeDetection = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.sse.core/tasks/detection")); //$NON-NLS-1$ //$NON-NLS-2$ |
| static final boolean _debugPerf = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.sse.core/tasks/time")); //$NON-NLS-1$ //$NON-NLS-2$ |
| static final boolean _debugOverallPerf = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.sse.core/tasks/overalltime")); //$NON-NLS-1$ //$NON-NLS-2$ |
| static final boolean _debugResourceChangeListener = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.sse.core/resourcechangehandling")); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| static TaskScanner _instance = null; |
| |
| public static synchronized TaskScanner getInstance() { |
| if (_instance == null) { |
| _instance = new TaskScanner(); |
| } |
| return _instance; |
| } |
| |
| long time0; |
| protected List fActiveDelegates = null; |
| private List fCleanProjects = null; |
| protected TaskScannerDelegateRegistryReader registry = null; |
| |
| /** |
| * |
| */ |
| public TaskScanner() { |
| super(); |
| registry = new TaskScannerDelegateRegistryReader(); |
| fActiveDelegates = new ArrayList(); |
| fCleanProjects = loadCleanProjects(); |
| } |
| |
| |
| IContentType[] detectContentTypes(IResource resource) { |
| IContentType[] types = null; |
| if (resource.getType() == IResource.FILE && resource.isAccessible()) { |
| IContentDescription d = null; |
| try { |
| // optimized description lookup, might not succeed |
| d = ((IFile) resource).getContentDescription(); |
| if (d != null) { |
| types = new IContentType[]{d.getContentType()}; |
| } |
| } |
| catch (CoreException e) { |
| /* |
| * should not be possible given the accessible and file type |
| * check above |
| */ |
| } |
| if (types == null) { |
| types = Platform.getContentTypeManager().findContentTypesFor(resource.getName()); |
| } |
| if (_debugContentTypeDetection) { |
| if (types.length > 0) { |
| if (types.length > 1) { |
| System.out.println(resource.getFullPath() + ": " + "multiple based on name (probably hierarchical)"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| for (int i = 0; i < types.length; i++) { |
| System.out.println(resource.getFullPath() + " matched: " + types[i].getId()); //$NON-NLS-1$ |
| } |
| } |
| } |
| } |
| return types; |
| } |
| |
| /* |
| * |
| * protected void clearTasks(IProgressMonitor monitor) throws |
| * CoreException { if (_debugPerf || _debug) { time0 = |
| * System.currentTimeMillis(); } super.clean(monitor); IProject |
| * currentProject = getProject(); if (!isGloballyEnabled || currentProject == |
| * null || !currentProject.isAccessible()) { return; } |
| * doFullBuild(IncrementalProjectBuilder.CLEAN_BUILD, new HashMap(0), |
| * monitor, getProject()); if (_debugPerf || _debug) { |
| * System.out.println(getClass().getName() + " finished CLEAN build of " + |
| * currentProject.getName() //$NON-NLS-1$ + " in " + |
| * (System.currentTimeMillis() - time0) + "ms"); //$NON-NLS-1$ |
| * //$NON-NLS-2$ } } |
| */ |
| |
| void internalScan(IResourceDelta delta, final IProgressMonitor monitor) { |
| if (monitor.isCanceled()) |
| return; |
| IResourceDeltaVisitor visitor = new IResourceDeltaVisitor() { |
| public boolean visit(IResourceDelta fileDelta) throws CoreException { |
| if (monitor.isCanceled()) |
| return false; |
| IResource resource = fileDelta.getResource(); |
| if ((resource.getType() & IResource.FOLDER) > 0 || (resource.getType() & IResource.PROJECT) > 0) { |
| IResourceDelta[] children = fileDelta.getAffectedChildren(); |
| String name = fileDelta.getFullPath().lastSegment(); |
| if (name.length() != 0 && name.charAt(0) != '.' && children.length > 0) { |
| SubProgressMonitor childMonitor = new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK); |
| childMonitor.beginTask("", children.length); |
| for (int i = 0; i < children.length; i++) { |
| internalScan(children[i], new SubProgressMonitor(childMonitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK)); |
| } |
| childMonitor.done(); |
| } |
| else { |
| monitor.worked(1); |
| } |
| } |
| else if ((resource.getType() & IResource.FILE) > 0) { |
| if ((fileDelta.getKind() & IResourceDelta.CHANGED) > 0 && (fileDelta.getFlags() & IResourceDelta.CONTENT) > 0) { |
| IFile file = (IFile) resource; |
| scanFile(file.getProject(), file, monitor); |
| } |
| monitor.worked(1); |
| } |
| return false; |
| } |
| }; |
| try { |
| delta.accept(visitor); |
| } |
| catch (CoreException e) { |
| monitor.done(); |
| Logger.logException(e); |
| } |
| } |
| |
| private List loadCleanProjects() { |
| return new ArrayList(); |
| } |
| |
| void internalScan(final IProject project, final IResource resource, final IProgressMonitor scanMonitor) { |
| if (scanMonitor.isCanceled()) |
| return; |
| try { |
| IResourceVisitor innerScanner = new IResourceVisitor() { |
| public boolean visit(IResource visitee) throws CoreException { |
| if ((visitee.getType() & IResource.FOLDER) > 0 || (visitee.getType() & IResource.PROJECT) > 0) { |
| SubProgressMonitor childMonitor = new SubProgressMonitor(scanMonitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK); |
| IResource[] children = ((IContainer) visitee).members(); |
| childMonitor.beginTask("", children.length); |
| for (int i = children.length - 1; i >= 0; i--) { |
| internalScan(project, children[i], new SubProgressMonitor(childMonitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK)); |
| } |
| childMonitor.done(); |
| } |
| else if ((visitee.getType() & IResource.FILE) > 0) { |
| scanFile(project, visitee, scanMonitor); |
| scanMonitor.worked(1); |
| } |
| else { |
| scanMonitor.worked(1); |
| } |
| String name = visitee.getName(); |
| return name.length() != 0 && name.charAt(0) != '.'; |
| } |
| }; |
| |
| scanMonitor.beginTask("", 1); |
| resource.accept(innerScanner); |
| scanMonitor.done(); |
| } |
| catch (CoreException e) { |
| Logger.logException(e); |
| } |
| } |
| |
| public void scan(final IProject project, final IProgressMonitor scanMonitor) { |
| if (scanMonitor.isCanceled()) |
| return; |
| if (_debug) { |
| System.out.println(getClass().getName() + " scanning project " + project.getName()); //$NON-NLS-1$ |
| } |
| if (_debugOverallPerf) { |
| time0 = System.currentTimeMillis(); |
| } |
| if (!fCleanProjects.contains(project.getName())) { |
| try { |
| scanMonitor.beginTask("", project.members().length); |
| internalScan(project, project, scanMonitor); |
| shutdownDelegates(project); |
| scanMonitor.done(); |
| fCleanProjects.add(project.getName()); |
| } |
| catch (CoreException e) { |
| Logger.logException(e); |
| } |
| } |
| if (_debugOverallPerf) { |
| System.out.println("" + (System.currentTimeMillis() - time0) + "ms for " + project.getFullPath()); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| |
| public void scan(IResourceDelta delta, final IProgressMonitor monitor) { |
| if (monitor.isCanceled()) |
| return; |
| if (_debugOverallPerf) { |
| time0 = System.currentTimeMillis(); |
| } |
| monitor.beginTask("", 1); |
| internalScan(delta, monitor); |
| shutdownDelegates(delta.getResource().getProject()); |
| monitor.done(); |
| if (_debugOverallPerf) { |
| System.out.println("" + (System.currentTimeMillis() - time0) + "ms for " + delta.getFullPath()); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| |
| void scanFile(IProject project, IResource resource, IProgressMonitor monitor) { |
| if (!monitor.isCanceled() && resource.getType() == IResource.FILE) { |
| ITaskScannerDelegate[] delegates = null; |
| IContentType[] types = detectContentTypes(resource); |
| if (types != null) { |
| List allDelegates = new ArrayList(); |
| for (int i = 0; i < types.length; i++) { |
| ITaskScannerDelegate[] typeDelegates = registry.getTaskScannerDelegates(types[i].getId()); |
| if (typeDelegates != null && typeDelegates.length > 0) { |
| allDelegates.addAll(Arrays.asList(typeDelegates)); |
| } |
| } |
| delegates = (ITaskScannerDelegate[]) allDelegates.toArray(new ITaskScannerDelegate[0]); |
| if (delegates.length > 0) { |
| SubProgressMonitor delegateMonitor = new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK); |
| delegateMonitor.beginTask(resource.getFullPath().toString(), delegates.length); |
| for (int j = 0; delegates != null && j < delegates.length; j++) { |
| if (delegateMonitor.isCanceled()) |
| continue; |
| try { |
| if (!fActiveDelegates.contains(delegates[j]) && !monitor.isCanceled()) { |
| delegates[j].startup(resource.getProject()); |
| fActiveDelegates.add(delegates[j]); |
| } |
| delegates[j].scan((IFile) resource, delegateMonitor); |
| delegateMonitor.worked(1); |
| } |
| catch (Exception e) { |
| Logger.logException(e); |
| } |
| } |
| delegateMonitor.done(); |
| } |
| else { |
| monitor.worked(1); |
| } |
| } |
| } |
| } |
| |
| /** |
| * |
| */ |
| private void shutdownDelegates(IProject project) { |
| for (int j = 0; j < fActiveDelegates.size(); j++) { |
| try { |
| ((ITaskScannerDelegate) fActiveDelegates.get(j)).shutdown(project); |
| } |
| catch (Exception e) { |
| Logger.logException(e); |
| } |
| } |
| fActiveDelegates = new ArrayList(1); |
| } |
| } |
