| /******************************************************************************* |
| * Copyright (c) 2005, 2007 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.internal.ui.util; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.PlatformObject; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.pde.core.plugin.IPluginModelBase; |
| import org.eclipse.pde.core.plugin.PluginRegistry; |
| import org.eclipse.ui.IContainmentAdapter; |
| import org.eclipse.ui.IElementFactory; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.IPersistableElement; |
| |
| |
| public class PersistablePluginObject extends PlatformObject implements |
| IPersistableElement, IElementFactory { |
| |
| public static final String FACTORY_ID = "org.eclipse.pde.ui.elementFactory"; //$NON-NLS-1$ |
| public static final String KEY = "org.eclipse.pde.workingSetKey"; //$NON-NLS-1$ |
| private static PluginContainmentAdapter fgContainmentAdapter; |
| |
| private String fPluginID; |
| |
| public PersistablePluginObject() { |
| } |
| |
| public PersistablePluginObject(String pluginID) { |
| fPluginID = pluginID; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPersistableElement#getFactoryId() |
| */ |
| public String getFactoryId() { |
| return FACTORY_ID; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPersistableElement#saveState(org.eclipse.ui.IMemento) |
| */ |
| public void saveState(IMemento memento) { |
| memento.putString(KEY, fPluginID); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IElementFactory#createElement(org.eclipse.ui.IMemento) |
| */ |
| public IAdaptable createElement(IMemento memento) { |
| return new PersistablePluginObject(memento.getString(KEY)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.runtime.PlatformObject#getAdapter(java.lang.Class) |
| */ |
| public Object getAdapter(Class adapter) { |
| if (adapter.equals(IPersistableElement.class)) |
| return this; |
| if (adapter.equals(IResource.class)) |
| return getResource(); |
| if (adapter.equals(IContainmentAdapter.class)) |
| return getPluginContainmentAdapter(); |
| if (adapter.equals(IJavaElement.class)) { |
| IResource res = getResource(); |
| if (res instanceof IProject) { |
| IProject project = (IProject) res; |
| try { |
| if (project.hasNature(JavaCore.NATURE_ID)) |
| return JavaCore.create(project); |
| } catch (CoreException e) { |
| } |
| } |
| } |
| return super.getAdapter(adapter); |
| } |
| |
| public IResource getResource() { |
| IPluginModelBase model = PluginRegistry.findModel(fPluginID); |
| IResource resource = (model != null) ? model.getUnderlyingResource() : null; |
| return resource == null ? null : resource.getProject(); |
| } |
| |
| public String getPluginID() { |
| return fPluginID; |
| } |
| |
| private static IContainmentAdapter getPluginContainmentAdapter() { |
| if (fgContainmentAdapter == null) |
| fgContainmentAdapter = new PluginContainmentAdapter(); |
| return fgContainmentAdapter; |
| } |
| |
| public boolean equals(Object arg0) { |
| if (arg0 instanceof PersistablePluginObject) { |
| String id = ((PersistablePluginObject)arg0).fPluginID; |
| return (fPluginID != null) ? fPluginID.equals(id) : id == null; |
| } |
| return false; |
| } |
| |
| public int hashCode() { |
| return fPluginID.hashCode(); |
| } |
| |
| } |