| /******************************************************************************* |
| * Copyright (c) 2010, 2016 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.pde.api.tools.internal; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jdt.core.ElementChangedEvent; |
| import org.eclipse.jdt.core.IElementChangedListener; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaElementDelta; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.pde.api.tools.internal.builder.BuildState; |
| import org.eclipse.pde.api.tools.internal.model.ApiBaseline; |
| import org.eclipse.pde.api.tools.internal.provisional.ApiPlugin; |
| import org.eclipse.pde.api.tools.internal.util.Util; |
| |
| /** |
| * Standard delta processor for us to track element state changes in the workspace |
| * using {@link IJavaElementDelta}s and {@link IResourceDelta}s. |
| * |
| * @since 1.1 |
| */ |
| public class WorkspaceDeltaProcessor implements IElementChangedListener, IResourceChangeListener { |
| |
| ApiBaselineManager bmanager = ApiBaselineManager.getManager(); |
| ApiDescriptionManager dmanager = ApiDescriptionManager.getManager(); |
| |
| @Override |
| public void elementChanged(ElementChangedEvent event) { |
| processJavaElementDeltas(event.getDelta().getAffectedChildren(), null); |
| } |
| |
| /** |
| * Processes the java element deltas of interest |
| * |
| * @param deltas |
| */ |
| void processJavaElementDeltas(IJavaElementDelta[] deltas, IJavaProject project) { |
| for (IJavaElementDelta delta : deltas) { |
| switch (delta.getElement().getElementType()) { |
| case IJavaElement.JAVA_PROJECT: { |
| IJavaProject proj = (IJavaProject) delta.getElement(); |
| int flags = delta.getFlags(); |
| switch (delta.getKind()) { |
| case IJavaElementDelta.CHANGED: { |
| if (!Util.isApiProject(proj)) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> skipped processing CHANGED delta for project: " + proj.getElementName()); //$NON-NLS-1$ |
| } |
| continue; |
| } |
| if ((flags & IJavaElementDelta.F_OPENED) != 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> processing OPEN project: [" + proj.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| bmanager.disposeWorkspaceBaseline(); |
| } else if ((flags & IJavaElementDelta.F_RESOLVED_CLASSPATH_CHANGED) != 0 || (flags & IJavaElementDelta.F_CLASSPATH_CHANGED) != 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> processing CLASSPATH CHANGE project: [" + proj.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| bmanager.disposeWorkspaceBaseline(); |
| dmanager.projectClasspathChanged(proj); |
| try { |
| BuildState.setLastBuiltState(proj.getProject(), null); |
| } catch (CoreException e) { |
| } |
| dmanager.flushElementCache(delta.getElement()); |
| } else if ((flags & IJavaElementDelta.F_CHILDREN) != 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> processing CHILDREN delta of project: [" + proj.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| processJavaElementDeltas(delta.getAffectedChildren(), proj); |
| } else if ((flags & IJavaElementDelta.F_CONTENT) != 0) { |
| if (proj != null) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> processing child CONTENT of project: [" + proj.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| IResourceDelta[] resourcedeltas = delta.getResourceDeltas(); |
| if (resourcedeltas != null) { |
| IResourceDelta rdelta = null; |
| for (IResourceDelta resourcedelta : resourcedeltas) { |
| rdelta = resourcedelta.findMember(new Path(Util.MANIFEST_NAME)); |
| if (rdelta != null && rdelta.getKind() == IResourceDelta.CHANGED && (rdelta.getFlags() & IResourceDelta.CONTENT) > 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> processing manifest delta"); //$NON-NLS-1$ |
| } |
| bmanager.disposeWorkspaceBaseline(); |
| break; |
| } |
| } |
| } |
| } else { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> ignoring child CONTENT project context is null"); //$NON-NLS-1$ |
| } |
| } |
| } |
| break; |
| } |
| case IJavaElementDelta.ADDED: { |
| if (!Util.isApiProject(proj)) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> skipped processing ADDED delta for project: " + proj.getElementName()); //$NON-NLS-1$ |
| } |
| continue; |
| } |
| if ((flags & IJavaElementDelta.F_MOVED_FROM) != 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("--> processing PROJECT RENAME from: [" + delta.getMovedFromElement().getJavaProject().getElementName() + "] to: [" + proj.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| bmanager.disposeWorkspaceBaseline(); |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| break; |
| } |
| case IJavaElement.PACKAGE_FRAGMENT_ROOT: { |
| IPackageFragmentRoot root = (IPackageFragmentRoot) delta.getElement(); |
| int flags = delta.getFlags(); |
| if ((flags & (IJavaElementDelta.F_ARCHIVE_CONTENT_CHANGED | IJavaElementDelta.F_ADDED_TO_CLASSPATH | IJavaElementDelta.F_REMOVED_FROM_CLASSPATH)) != 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("processed CLASSPATH CHANGED for package fragment root: [" + root.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| dmanager.projectClasspathChanged(project); |
| } |
| if ((flags & IJavaElementDelta.F_CHILDREN) != 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("processed CHILDREN for package fragment root: [" + root.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| processJavaElementDeltas(delta.getAffectedChildren(), project); |
| } |
| break; |
| } |
| case IJavaElement.PACKAGE_FRAGMENT: { |
| IPackageFragment fragment = (IPackageFragment) delta.getElement(); |
| if (delta.getKind() == IJavaElementDelta.REMOVED) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("processed REMOVED delta for package fragment: [" + fragment.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| ((ApiBaseline) bmanager.getWorkspaceBaseline()).clearPackage(fragment.getElementName()); |
| } |
| int flags = delta.getFlags(); |
| if ((flags & IJavaElementDelta.F_CHILDREN) != 0) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("processed CHILDREN delta for package fragment: [" + fragment.getElementName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| processJavaElementDeltas(delta.getAffectedChildren(), project); |
| } |
| break; |
| } |
| case IJavaElement.COMPILATION_UNIT: { |
| int flags = delta.getFlags(); |
| switch (delta.getKind()) { |
| case IJavaElementDelta.CHANGED: { |
| if ((flags & (IJavaElementDelta.F_CONTENT | IJavaElementDelta.F_FINE_GRAINED | IJavaElementDelta.F_PRIMARY_RESOURCE)) != 0) { |
| if (project != null) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("processed CONTENT / FINE_GRAINED / PRIMARY_RESOURCE delta for: [" + delta.getElement().getElementName() + "]"); //$NON-NLS-1$//$NON-NLS-2$ |
| } |
| dmanager.projectChanged(project); |
| dmanager.flushElementCache(delta.getElement()); |
| continue; |
| } |
| } |
| break; |
| } |
| case IJavaElementDelta.ADDED: |
| case IJavaElementDelta.REMOVED: { |
| if (project != null) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| if (delta.getKind() == IJavaElementDelta.ADDED) { |
| System.out.println("processed ADDED delta for: [" + delta.getElement().getElementName() + "]"); //$NON-NLS-1$//$NON-NLS-2$ |
| } else { |
| System.out.println("processed REMOVED delta for: [" + delta.getElement().getElementName() + "]"); //$NON-NLS-1$//$NON-NLS-2$ |
| } |
| } |
| dmanager.projectChanged(project); |
| dmanager.flushElementCache(delta.getElement()); |
| continue; |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| } |
| |
| @Override |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResource resource = event.getResource(); |
| switch (event.getType()) { |
| case IResourceChangeEvent.PRE_BUILD: { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| if (resource == null) { |
| System.out.println("processed PRE_BUILD delta for workspace."); //$NON-NLS-1$ |
| } else { |
| System.out.println("processed PRE_BUILD delta for project: [" + resource.getName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| IResourceDelta delta = event.getDelta(); |
| if (delta != null) { |
| IResourceDelta[] children = delta.getAffectedChildren(IResourceDelta.CHANGED); |
| for (IResourceDelta element : children) { |
| resource = element.getResource(); |
| if (element.getResource().getType() == IResource.PROJECT) { |
| IProject project = (IProject) resource; |
| if (Util.isApiProject(project) || Util.isJavaProject(project)) { |
| if ((element.getFlags() & IResourceDelta.DESCRIPTION) != 0) { |
| cleanAndDisposeWorkspaceBaseline(resource); |
| break; |
| } |
| } |
| } |
| } |
| children = delta.getAffectedChildren(IResourceDelta.ADDED | IResourceDelta.REMOVED); |
| for (IResourceDelta element : children) { |
| resource = element.getResource(); |
| if (element.getResource().getType() == IResource.PROJECT) { |
| IProject project = (IProject) resource; |
| if (Util.isApiProject(project) || Util.isJavaProject(project)) { |
| cleanAndDisposeWorkspaceBaseline(resource); |
| break; |
| } |
| } |
| } |
| } |
| break; |
| } |
| case IResourceChangeEvent.PRE_CLOSE: |
| case IResourceChangeEvent.PRE_DELETE: { |
| if (resource.getType() == IResource.PROJECT) { |
| IProject project = (IProject) resource; |
| if (Util.isApiProject(project) || Util.isJavaProject(project)) { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| if (event.getType() == IResourceChangeEvent.PRE_CLOSE) { |
| System.out.println("processed PRE_CLOSE delta for project: [" + resource.getName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } else { |
| if (ApiPlugin.DEBUG_WORKSPACE_DELTA_PROCESSOR) { |
| System.out.println("processed PRE_DELETE delta for project: [" + resource.getName() + "]"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| } |
| bmanager.disposeWorkspaceBaseline(); |
| IJavaProject javaProject = (IJavaProject) JavaCore.create(resource); |
| dmanager.clean(javaProject, false, true); |
| dmanager.flushElementCache(javaProject); |
| } |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| private void cleanAndDisposeWorkspaceBaseline(IResource resource) { |
| IJavaProject jp = (IJavaProject) JavaCore.create(resource); |
| dmanager.clean(jp, true, true); |
| bmanager.disposeWorkspaceBaseline(); |
| } |
| } |
