/*******************************************************************************
* Copyright (c) 2009, 2015 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
* Alexander Kurtakov - Bug 460858
*******************************************************************************/
package org.eclipse.help.internal.workingset;
import org.eclipse.help.ITopic;
import org.w3c.dom.Element;
/**
* Makes help resources adaptable and persistable
*/
public class AdaptableSelectedTopic extends AdaptableHelpResource {
/**
* This constructor will be called when wrapping help resources.
*/
public AdaptableSelectedTopic(ITopic element) {
super(element);
}
/**
* @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
*/
@Override
@SuppressWarnings("unchecked")
public <T> T getAdapter(Class<T> adapter) {
if (adapter == ITopic.class)
return (T) element;
return super.getAdapter(adapter);
}
@Override
public AdaptableHelpResource[] getChildren() {
return new AdaptableHelpResource[0];
}
/**
* When href is exactly the href of the selected topic, then return the selected topic
* Otherwise, return null
*
* @param href
* The topic's href value.
*/
@Override
public ITopic getTopic(String href) {
if (href == null)
return null;
if (href.equals(getHref())) {
return (ITopic)element;
}
return null;
}
@Override
public void saveState(Element element) {
}
}