diff options
Diffstat (limited to 'bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/contentproperties/HTMLContentPropertiesManager.java')
| -rw-r--r-- | bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/contentproperties/HTMLContentPropertiesManager.java | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/contentproperties/HTMLContentPropertiesManager.java b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/contentproperties/HTMLContentPropertiesManager.java deleted file mode 100644 index 41f03c8a94..0000000000 --- a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/contentproperties/HTMLContentPropertiesManager.java +++ /dev/null @@ -1,238 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006 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.wst.html.core.internal.contentproperties; - -import java.util.ArrayList; -import java.util.HashSet; -import java.util.List; -import java.util.Set; - -import org.eclipse.core.resources.IProject; -import org.eclipse.core.resources.IResourceChangeEvent; -import org.eclipse.core.resources.IResourceChangeListener; -import org.eclipse.core.resources.IResourceDelta; -import org.eclipse.core.resources.IResourceStatus; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.MultiStatus; -import org.eclipse.core.runtime.NullProgressMonitor; -import org.eclipse.core.runtime.OperationCanceledException; -import org.eclipse.core.runtime.Path; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.Status; -import org.eclipse.core.runtime.jobs.Job; -import org.eclipse.osgi.util.NLS; -import org.eclipse.wst.html.core.internal.HTMLCoreMessages; -import org.eclipse.wst.html.core.internal.Logger; -import org.osgi.framework.Bundle; -import org.osgi.service.prefs.BackingStoreException; -import org.osgi.service.prefs.Preferences; - -public class HTMLContentPropertiesManager { - public HTMLContentPropertiesManager() { - super(); - fResourceChangeListener = new ResourceChangeListener(); - fJob = new ContentPropertiesManagerJob(); - } - - private static HTMLContentPropertiesManager _instance = null; - private IResourceChangeListener fResourceChangeListener; - ContentPropertiesManagerJob fJob; - - /** - * This job implementation is used to allow the resource change listener - * to schedule operations that need to modify the workspace. - */ - private class ContentPropertiesManagerJob extends Job { - private static final int PROPERTIES_UPDATE_DELAY = 500; - private List asyncChanges = new ArrayList(); - - public ContentPropertiesManagerJob() { - super(HTMLCoreMessages.HTMLContentPropertiesManager_Updating); - setSystem(true); - setPriority(Job.INTERACTIVE); - } - - public void addChanges(Set newChanges) { - if (newChanges.isEmpty()) - return; - synchronized (asyncChanges) { - asyncChanges.addAll(newChanges); - asyncChanges.notify(); - } - schedule(PROPERTIES_UPDATE_DELAY); - } - - public IProject getNextChange() { - synchronized (asyncChanges) { - return asyncChanges.isEmpty() ? null : (IProject) asyncChanges.remove(asyncChanges.size() - 1); - } - } - - protected IStatus run(IProgressMonitor monitor) { - MultiStatus result = new MultiStatus(HTMLContentProperties.HTMLCORE_ID, IResourceStatus.FAILED_SETTING_CHARSET, HTMLCoreMessages.HTMLContentPropertiesManager_Updating, null); - monitor = monitor == null ? new NullProgressMonitor() : monitor; - try { - monitor.beginTask(HTMLCoreMessages.HTMLContentPropertiesManager_Updating, asyncChanges.size()); - try { - IProject next; - while ((next = getNextChange()) != null) { - // just exit if the system is shutting down or has - // been shut down - // it is too late to change the workspace at this - // point anyway - if (Platform.getBundle("org.eclipse.osgi").getState() != Bundle.ACTIVE) //$NON-NLS-1$ - return Status.OK_STATUS; - try { - // save the preferences nodes - if (next.isAccessible()) { - // save document type preferences - Preferences projectPrefs = HTMLContentProperties.getPreferences(next, HTMLContentProperties.DOCUMENT_TYPE, false); - if (projectPrefs != null) - projectPrefs.flush(); - } - } - catch (BackingStoreException e) { - // we got an error saving - String detailMessage = NLS.bind(HTMLCoreMessages.HTMLContentPropertiesManager_Problems_Updating, next.getFullPath()); - result.add(new Status(1 << (IResourceStatus.FAILED_SETTING_CHARSET % 100 / 33), ResourcesPlugin.PI_RESOURCES, IResourceStatus.FAILED_SETTING_CHARSET, detailMessage, e)); - } - } - monitor.worked(1); - } - catch (OperationCanceledException e) { - throw e; - } - } - finally { - monitor.done(); - } - return result; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.core.runtime.jobs.Job#shouldRun() - */ - public boolean shouldRun() { - synchronized (asyncChanges) { - return !asyncChanges.isEmpty(); - } - } - } - - class ResourceChangeListener implements IResourceChangeListener { - private void processEntryChanges(IResourceDelta projectDelta, Set projectsToSave) { - // check each resource with web content setting to see if it has - // been moved/deleted - boolean resourceChanges = false; - - // project affected - IProject currentProject = (IProject) projectDelta.getResource(); - - resourceChanges = processPreferences(currentProject, HTMLContentProperties.DOCUMENT_TYPE, projectDelta, projectsToSave); - - // if there was a preference key change, need to save preferences - if (resourceChanges) - projectsToSave.add(currentProject); - } - - /** - * Goes through all the resource-dependent preferences associated with - * currentProject & key and updates the preference keys if needed - * based on projectDelta - * - * @param currentProject - * current project of the preferences to be looked at - * @param key - * current key/subcategory of the preferences to be looked - * at - * @param projectDelta - * the changes to process the preference keys against - * @param projectsToSave - * the projects that need to be updated/saved - * @return true if currentProject's preferences were modified - */ - private boolean processPreferences(IProject currentProject, String key, IResourceDelta projectDelta, Set projectsToSave) { - boolean resourceChanges = false; - - // get the project-key preference node - Preferences projectPrefs = HTMLContentProperties.getPreferences(currentProject, key, false); - if (projectPrefs == null) - // no preferences for this project-key, just bail - return false; - String[] affectedResources; - try { - affectedResources = projectPrefs.keys(); - } - catch (BackingStoreException e) { - // problems with the project scope... we gonna miss the - // changes (but will log) - Logger.log(Logger.WARNING_DEBUG, "Problem retreiving JSP Fragment preferences", e); //$NON-NLS-1$ - return false; - } - - // go through each preference key (which is really a file name) - for (int i = 0; i < affectedResources.length; i++) { - // see if preference key/file name was file that was changed - IResourceDelta memberDelta = projectDelta.findMember(new Path(affectedResources[i])); - // no changes for the given resource - if (memberDelta == null) - continue; - if (memberDelta.getKind() == IResourceDelta.REMOVED) { - resourceChanges = true; - // remove the setting for the original location - String currentValue = projectPrefs.get(affectedResources[i], null); - projectPrefs.remove(affectedResources[i]); - if ((memberDelta.getFlags() & IResourceDelta.MOVED_TO) != 0) { - // if moving, copy the setting for the new location - IProject targetProject = ResourcesPlugin.getWorkspace().getRoot().getProject(memberDelta.getMovedToPath().segment(0)); - Preferences targetPrefs = HTMLContentProperties.getPreferences(targetProject, key, true); - targetPrefs.put(HTMLContentProperties.getKeyFor(memberDelta.getMovedToPath()), currentValue); - if (targetProject != currentProject) - projectsToSave.add(targetProject); - } - } - } - return resourceChanges; - } - - /** - * For any change to the encoding file or any resource with encoding - * set, just discard the cache for the corresponding project. - */ - public void resourceChanged(IResourceChangeEvent event) { - IResourceDelta delta = event.getDelta(); - if (delta == null) - return; - IResourceDelta[] projectDeltas = delta.getAffectedChildren(); - // process each project in the delta - Set projectsToSave = new HashSet(); - for (int i = 0; i < projectDeltas.length; i++) - // nothing to do if a project has been added/removed/moved - if (projectDeltas[i].getKind() == IResourceDelta.CHANGED && (projectDeltas[i].getFlags() & IResourceDelta.OPEN) == 0) - processEntryChanges(projectDeltas[i], projectsToSave); - fJob.addChanges(projectsToSave); - } - } - - public synchronized static void startup() { - _instance = new HTMLContentPropertiesManager(); - ResourcesPlugin.getWorkspace().addResourceChangeListener(_instance.fResourceChangeListener, IResourceChangeEvent.POST_CHANGE); - } - - public synchronized static void shutdown() { - ResourcesPlugin.getWorkspace().removeResourceChangeListener(_instance.fResourceChangeListener); - _instance = null; - } -} |