/*******************************************************************************
* 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();
}
}
|