/*******************************************************************************
* Copyright (c) 2004, 2005 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.htmlcss;
import org.eclipse.wst.css.core.internal.provisional.adapters.IStyleSelectorAdapter;
import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter;
import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
/**
* Insert the type's description here.
*/
public class HTMLStyleSelectorAdapterFactory implements INodeAdapterFactory {
private static HTMLStyleSelectorAdapterFactory instance;
private Object toMatch = IStyleSelectorAdapter.class;
/**
* CSSModelProvideAdapterFactory constructor comment.
*/
public HTMLStyleSelectorAdapterFactory() {
super();
}
/**
* Method that returns the adapter associated with the given object.
* It may be a singleton or not ... depending on the needs of the INodeAdapter ...
* but in general it is recommended for an adapter to be stateless,
* so the efficiencies of a singleton can be gained.
*
* The implementation of this method should call addAdapter on the adapted
* object with the correct instance of the adapter.
*/
public INodeAdapter adapt(INodeNotifier notifier) {
INodeAdapter adapter = notifier.getExistingAdapter(IStyleSelectorAdapter.class);
if (adapter != null)
return adapter;
adapter = HTMLStyleSelectorAdapter.getInstance();
notifier.addAdapter(adapter);
return adapter;
}
public synchronized static HTMLStyleSelectorAdapterFactory getInstance() {
if (instance == null)
instance = new HTMLStyleSelectorAdapterFactory();
return instance;
}
/**
* isFactoryForType method comment.
*/
public boolean isFactoryForType(Object type) {
return type == toMatch;
}
public void release() {
// default is to do nothing
}
/**
* Overriding copy method
*/
public INodeAdapterFactory copy() {
return getInstance();
}
}