diff options
Diffstat (limited to 'plugins/org.eclipse.jst.j2ee.ui/j2ee_ui/org/eclipse/jst/j2ee/internal/provider/J2EEUtilityJarItemProvider.java')
| -rw-r--r-- | plugins/org.eclipse.jst.j2ee.ui/j2ee_ui/org/eclipse/jst/j2ee/internal/provider/J2EEUtilityJarItemProvider.java | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/plugins/org.eclipse.jst.j2ee.ui/j2ee_ui/org/eclipse/jst/j2ee/internal/provider/J2EEUtilityJarItemProvider.java b/plugins/org.eclipse.jst.j2ee.ui/j2ee_ui/org/eclipse/jst/j2ee/internal/provider/J2EEUtilityJarItemProvider.java deleted file mode 100644 index baf4c921d..000000000 --- a/plugins/org.eclipse.jst.j2ee.ui/j2ee_ui/org/eclipse/jst/j2ee/internal/provider/J2EEUtilityJarItemProvider.java +++ /dev/null @@ -1,258 +0,0 @@ -/******************************************************************************* - * 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.provider; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.eclipse.core.resources.IFolder; -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.resources.IResourceDeltaVisitor; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.emf.common.notify.AdapterFactory; -import org.eclipse.jst.j2ee.application.Application; -import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; -import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages; -import org.eclipse.jst.j2ee.internal.provider.J2EEItemProvider; - -import org.eclipse.jem.util.logger.proxy.Logger; -import org.eclipse.jem.util.emf.workbench.ProjectUtilities; - -/** - * @author jsholl - * - * To change this generated comment edit the template variable "typecomment": - * Window>Preferences>Java>Templates. To enable and disable the creation of type comments go to - * Window>Preferences>Java>Code Generation. - */ -public class J2EEUtilityJarItemProvider extends J2EEItemProvider { - - public final static String UTILITY_JARS = J2EEUIMessages.getResourceString("Utility_JARs_UI_"); //$NON-NLS-1$ - - private boolean childrenLoaded = false; - private Application application = null; - - /** - * Constructor for J2EEUtilityJarItemProvider. - */ - public J2EEUtilityJarItemProvider(Application app, AdapterFactory adapterFactory, Object parent) { - super(adapterFactory); - setParent(parent); - application = app; - UtilityJarResourceChangeListener.INSTANCE.addUtilityJarItemProvider(ProjectUtilities.getProject(application), this); - } - - public boolean hasChildren(Object object) { - getChildren(object); - return !children.isEmpty(); - } - - public Collection getChildren(final Object object) { - if (!childrenLoaded) { - try { - disableNotification(); - org.eclipse.swt.custom.BusyIndicator.showWhile(null, new Runnable() { - public void run() { - computeChildren(); - } - }); - } finally { - enableNotification(); - } - } - return children; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.emf.edit.provider.ItemProvider#dispose() - */ - public void dispose() { - super.dispose(); - UtilityJarResourceChangeListener.INSTANCE.removeUtilityJarItemProvider(ProjectUtilities.getProject(application), this); - - } - - /** - * @see ItemProvider#getChildren(Object) - */ - private void computeChildren() { - childrenLoaded = true; - IProject project = ProjectUtilities.getProject(application); - if (project != null) { - IResource[] members; - try { - members = project.members(); - } catch (CoreException e) { - Logger.getLogger().logError(e); - return; - } - List list = new ArrayList(); - getJars(list, members); - children.addAll(list); - } - } - - private Collection getJars(List list, IResource[] members) { - for (int i = 0; i < members.length; i++) { - if (isJarFile(members[i])) { - list.add(members[i]); - } else if (members[i].getType() == IResource.FOLDER) { - try { - getJars(list, ((IFolder) members[i]).members()); - } catch (CoreException e) { - Logger.getLogger().logError(e); - } - } - } - return list; - } - - public static boolean isJarFile(IResource member) { - return member.getType() == IResource.FILE && member.getName().toLowerCase().endsWith(".jar"); //$NON-NLS-1$ - } - - /** - * @see ItemProviderAdapter#getImage(Object) - */ - public Object getImage(Object object) { - return J2EEPlugin.getPlugin().getImage("folder"); //$NON-NLS-1$ - } - - /** - * @see ItemProviderAdapter#getText(Object) - */ - public String getText(Object object) { - return UTILITY_JARS; - } - - // assume this resource is a jar resource - public void utilityJarChanged(IResource resource, IResourceDelta delta) { - if (childrenLoaded) { - if (delta.getKind() == IResourceDelta.ADDED && !children.contains(resource)) { - children.add(resource); - } else if (delta.getKind() == IResourceDelta.REMOVED && children.contains(resource)) { - children.remove(resource); - } - } - } - - protected static class UtilityJarResourceChangeListener implements IResourceChangeListener, IResourceDeltaVisitor { - - protected static final UtilityJarResourceChangeListener INSTANCE = new UtilityJarResourceChangeListener(); - - private boolean listening = false; - private Map earProjectsToUtilityJarProviderMap; - - public void addUtilityJarItemProvider(IProject project, J2EEUtilityJarItemProvider utilityJarItemProvider) { - List providers = getProviders(project); - if (providers != null) - providers.add(utilityJarItemProvider); - if (!listening) { - ResourcesPlugin.getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.POST_CHANGE); - listening = true; - } - } - - /** - * @param project - * @return - */ - private List getProviders(IProject project) { - List result = (List) getEarProjectsToUtilityJarProviderMap().get(project); - if (result == null && project != null) - getEarProjectsToUtilityJarProviderMap().put(project, (result = new ArrayList())); - return result; - } - - /** - * @return - */ - private Map getEarProjectsToUtilityJarProviderMap() { - if (earProjectsToUtilityJarProviderMap == null) - earProjectsToUtilityJarProviderMap = new HashMap(); - return earProjectsToUtilityJarProviderMap; - } - - public void removeUtilityJarItemProvider(IProject project, J2EEUtilityJarItemProvider utilityJarItemProvider) { - List providers = getProviders(project); - providers.remove(utilityJarItemProvider); - if (providers.isEmpty()) - getEarProjectsToUtilityJarProviderMap().remove(project); - - if (getEarProjectsToUtilityJarProviderMap().isEmpty()) { - ResourcesPlugin.getWorkspace().removeResourceChangeListener(this); - listening = false; - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.core.resources.IResourceChangeListener#resourceChanged(org.eclipse.core.resources.IResourceChangeEvent) - */ - public void resourceChanged(IResourceChangeEvent event) { - try { - event.getDelta().accept(this); - } catch (CoreException e) { - e.printStackTrace(); - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.core.resources.IResourceDeltaVisitor#visit(org.eclipse.core.resources.IResourceDelta) - */ - public boolean visit(IResourceDelta delta) { - switch (delta.getResource().getType()) { - case IResource.ROOT : - case IResource.FOLDER : - return true; - - case IResource.PROJECT : - return getEarProjectsToUtilityJarProviderMap().containsKey(delta.getResource()); - case IResource.FILE : { - IResource resource = delta.getResource(); - if (isJarFile(resource)) { - List utilityJarItemProviders = getProviders(resource.getProject()); - for (int i = 0; i < utilityJarItemProviders.size(); i++) - ((J2EEUtilityJarItemProvider) utilityJarItemProviders.get(i)).utilityJarChanged(resource, delta); - } - return false; - } - - } - return false; - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class) - */ - public Object getAdapter(Class adapter) { - if (adapter == IRESOURCE_CLASS || adapter == IPROJECT_CLASS) - return (application != null) ? ProjectUtilities.getProject(application) : null; - return null; - } - -}
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