| /******************************************************************************* |
| * Copyright (c) 2003, 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.jst.j2ee.internal.webservice; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jst.j2ee.internal.webservice.helper.WebServiceEvent; |
| import org.eclipse.jst.j2ee.internal.webservice.helper.WebServiceManagerListener; |
| import org.eclipse.jst.j2ee.internal.webservice.helper.WebServicesManager; |
| import org.eclipse.jst.j2ee.internal.webservice.plugin.WebServiceUIPlugin; |
| import org.eclipse.jst.j2ee.navigator.internal.IJ2EENavigatorConstants; |
| import org.eclipse.jst.j2ee.navigator.internal.NonConflictingRule; |
| import org.eclipse.ui.progress.UIJob; |
| import org.eclipse.wst.common.internal.emfworkbench.integration.DynamicAdapterFactory; |
| import org.eclipse.wst.common.project.facet.core.internal.FacetedProjectPropertyTester; |
| |
| public class WebServiceViewerSynchronization implements WebServiceManagerListener{ |
| |
| |
| private WebServicesManager webServicesManager = null; |
| |
| private static final String PROJECT_FACET = "projectFacet"; //$NON-NLS-1$ |
| |
| /* The facets are duplicated here to avoid loading plugins just for constants */ |
| /* package */ static final String EAR_FACET = "jst.ear"; //$NON-NLS-1$ |
| /* package */ static final String APPCLIENT_FACET = "jst.appclient"; //$NON-NLS-1$ |
| /* package */ static final String WEB_FACET = "jst.web"; //$NON-NLS-1$ |
| /* package */ static final String EJB_FACET = "jst.ejb"; //$NON-NLS-1$ |
| /* package */ static final String UTILITY_FACET = "jst.utility"; //$NON-NLS-1$ |
| /* package */ static final String CONNECTOR_FACET = "jst.connector"; //$NON-NLS-1$ |
| /* package */ static final String STATIC_WEB_FACET = "wst.web"; //$NON-NLS-1$ |
| |
| private static final FacetedProjectPropertyTester facetPropertyTester = new FacetedProjectPropertyTester(); |
| |
| |
| private WebServicesNavigatorContentProvider contentProvider; |
| |
| private Job indexJob = new WebServiceIndexJob(); |
| private Job updateJob = new UpdateWebServicesNodeUIJob(); |
| private Job removeJob = new RemoveWebServicesNodeUIJob(); |
| |
| private boolean navigatorGroupAdded = false; |
| private boolean indexJobScheduled = false; |
| |
| private boolean initialized = false; |
| |
| public WebServiceViewerSynchronization(WebServicesNavigatorContentProvider provider) { |
| contentProvider = provider; |
| } |
| |
| |
| public void start() { |
| |
| try { |
| |
| getWebServicesManager().addListener(this); |
| |
| // create the default synchronizer for any web service editor to use with view due |
| // to the usage of seperate edit models. |
| WebServicesNavigatorSynchronizer.createInstance( |
| new DynamicAdapterFactory(IJ2EENavigatorConstants.VIEWER_ID), contentProvider); |
| } finally { |
| initialized = true; |
| } |
| } |
| |
| public void stop() { |
| if(initialized) { |
| getWebServicesManager().removeListener(this); |
| // dispose current instance of web service editor/explorer synchronizer |
| WebServicesNavigatorSynchronizer.disposeInstance(); |
| } |
| } |
| |
| public void webServiceManagerChanged(WebServiceEvent anEvent) { |
| |
| switch (anEvent.getEventType()) { |
| case WebServiceEvent.REFRESH: |
| |
| if(!hasNavigatorGroupBeenAdded()) { |
| if(!hasIndexJobBeenScheduled()) |
| indexJob.schedule(); |
| else { |
| new AddWebServicesNodeUIJob().schedule(); |
| } |
| } else { |
| updateJob.schedule(); |
| } |
| break; |
| case WebServiceEvent.REMOVE: |
| removeJob.schedule(); |
| } |
| } |
| |
| |
| public void startIndexJob() { |
| indexJob.schedule(); |
| |
| } |
| |
| /** |
| * Employ a Test-And-Set (TST) primitive to ensure the Job is only scheduled once per load. |
| * |
| * @return True if the the index job has been scheduled. The value of indexJobSchedule will |
| * _always_ be true after this method executes, so if false is returned, the job must be |
| * scheduled by the caller. |
| */ |
| /* package */ synchronized boolean hasIndexJobBeenScheduled() { |
| if (!indexJobScheduled) { |
| indexJobScheduled = true; |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Multiple threads access this boolean flag, so we synchronize it to ensure that its value is |
| * consistent across different threads. |
| * |
| * @return True if the WebServicesNavigatorGroup has already been processed and added to the |
| * tree. |
| */ |
| /* package */ synchronized boolean hasNavigatorGroupBeenAdded() { |
| return navigatorGroupAdded; |
| } |
| |
| /* package */ synchronized void setNavigatorGroupAdded(boolean hasBeenAdded) { |
| navigatorGroupAdded = hasBeenAdded; |
| } |
| |
| private WebServicesManager getWebServicesManager() { |
| if (webServicesManager == null) |
| webServicesManager = WebServicesManager.getInstance(); |
| return webServicesManager; |
| } |
| |
| private boolean indexWebServices(IProgressMonitor monitor) { |
| boolean hasChildren = false; |
| if (!monitor.isCanceled()) { |
| try { |
| hasChildren |= getWebServicesManager().getWorkspace13ServiceRefs().size() > 0; |
| } catch (RuntimeException e) { |
| WebServiceUIPlugin.logError(0, e.getMessage(), e); |
| } |
| } else { |
| return hasChildren; |
| } |
| monitor.worked(1); |
| |
| if (!monitor.isCanceled()) { |
| try { |
| hasChildren |= getWebServicesManager().getWorkspace14ServiceRefs().size() > 0; |
| } catch (RuntimeException e) { |
| WebServiceUIPlugin.logError(0, e.getMessage(), e); |
| } |
| } else { |
| return hasChildren; |
| } |
| monitor.worked(1); |
| |
| if (!monitor.isCanceled()) { |
| try { |
| hasChildren |= getWebServicesManager().getInternalWSDLServices().size() > 0; |
| } catch (RuntimeException e) { |
| WebServiceUIPlugin.logError(0, e.getMessage(), e); |
| } |
| } else { |
| return hasChildren; |
| } |
| monitor.worked(1); |
| |
| if (!monitor.isCanceled()) { |
| try { |
| hasChildren |= getWebServicesManager().getExternalWSDLServices().size() > 0; |
| } catch (RuntimeException e) { |
| WebServiceUIPlugin.logError(0, e.getMessage(), e); |
| } |
| } else { |
| return hasChildren; |
| } |
| monitor.worked(1); |
| return hasChildren; |
| } |
| |
| /* package */ static boolean hasFacet(Object element, String facet) { |
| return facetPropertyTester.test(element, PROJECT_FACET, new Object[] {}, facet); |
| } |
| |
| /* package */ boolean webServiceProjectsExist(IProgressMonitor monitor) { |
| |
| IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects(); |
| try { |
| monitor.beginTask("Searching for web service capable projects...", projects.length); |
| for (int i = 0; i < projects.length; i++) { |
| if(isInteresting(projects[i])) |
| return true; |
| monitor.worked(1); |
| } |
| } finally { |
| monitor.done(); |
| } |
| return false; |
| } |
| |
| /* package */ static boolean isInteresting(IProject project) { |
| return hasFacet(project, WEB_FACET) || |
| hasFacet(project, EJB_FACET) || |
| hasFacet(project, APPCLIENT_FACET); |
| } |
| |
| public class WebServiceIndexJob extends Job { |
| |
| public WebServiceIndexJob() { |
| super(WebServiceUIResourceHandler.WS_NAV_JOB0); |
| setRule(new NonConflictingRule()); |
| } |
| |
| protected IStatus run(IProgressMonitor monitor) { |
| monitor.beginTask(WebServiceUIResourceHandler.WS_NAV_JOB1, 4); |
| |
| if (webServiceProjectsExist(monitor) && indexWebServices(monitor)) { |
| new AddWebServicesNodeUIJob().schedule(); |
| } |
| |
| return Status.OK_STATUS; |
| } |
| } |
| |
| public class AddWebServicesNodeUIJob extends UIJob { |
| |
| |
| public AddWebServicesNodeUIJob() { |
| super(WebServiceUIResourceHandler.WS_NAV_JOB2); |
| } |
| |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| |
| TreeViewer viewer = contentProvider.getViewer(); |
| if(!viewer.getControl().isDisposed()) { |
| viewer.add(viewer.getInput(), contentProvider.getNavigatorGroup()); |
| } |
| setNavigatorGroupAdded(true); |
| return Status.OK_STATUS; |
| } |
| } |
| |
| public class UpdateWebServicesNodeUIJob extends UIJob { |
| |
| public UpdateWebServicesNodeUIJob () { |
| super(WebServiceUIResourceHandler.WS_NAV_JOB3); |
| } |
| |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| TreeViewer viewer = contentProvider.getViewer(); |
| |
| if(!viewer.getControl().isDisposed()) { |
| if(hasNavigatorGroupBeenAdded()) |
| contentProvider.getViewer().refresh(contentProvider.getNavigatorGroup()); |
| else { |
| viewer.add(viewer.getInput(), contentProvider.getNavigatorGroup()); |
| setNavigatorGroupAdded(true); |
| } |
| } |
| return Status.OK_STATUS; |
| } |
| } |
| |
| public class RemoveWebServicesNodeUIJob extends UIJob { |
| |
| public RemoveWebServicesNodeUIJob() { |
| super(WebServiceUIResourceHandler.WS_NAV_JOB4); |
| } |
| |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| |
| monitor.beginTask(WebServiceUIResourceHandler.WS_NAV_JOB5, 4); |
| |
| TreeViewer viewer = contentProvider.getViewer(); |
| |
| if(!viewer.getControl().isDisposed()) { |
| if (indexWebServices(monitor)) { |
| viewer.refresh(contentProvider.getNavigatorGroup()); |
| } else { |
| viewer.remove(contentProvider.getNavigatorGroup()); |
| setNavigatorGroupAdded(false); |
| } |
| } |
| return Status.OK_STATUS; |
| } |
| } |
| |
| |
| } |