/*******************************************************************************
 * Copyright (c) 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.jsp.core.internal.document;

import org.eclipse.wst.sse.core.INodeAdapterFactory;
import org.eclipse.wst.sse.core.INodeAdapter;
import org.eclipse.wst.sse.core.INodeNotifier;
import org.eclipse.wst.sse.core.modelhandler.EmbeddedTypeHandler;
import org.eclipse.wst.sse.ui.contentproperties.IContentSettingsListener;

/**
 * Classes which implement this interface have two responsibilities. 
 * One is to provide
 * and embedded factory registry for JSP Aware INodeAdapter Factories
 * to use. The other is to monitor page directives and if 
 * a change in embedded type is is made, it will signal 
 * the structuredModel that it needs to reinitialize itself.
 */
public interface PageDirectiveAdapter extends INodeAdapter, IContentSettingsListener {

	public String getContentType();

	public String getLanguage();

	/**
	 * This setter method should be called once, shortly after
	 * initialization.
	 */
	void setEmbeddedType(EmbeddedTypeHandler handler);

	EmbeddedTypeHandler getEmbeddedType();

	/**
	 * This method is to give this adapter a chance to use
	 * the AdapterFactores from the EmbeddedTypeHandler
	 * to adapt the node. Its to be used by JSPAwareAdapterFactories
	 * to (potentially) adapt nodes from the embedded content type.
	 */
	INodeAdapter adapt(INodeNotifier notifier, Object type);

	void addEmbeddedFactory(INodeAdapterFactory factory);

	/**
	 * Method setLanguage.
	 * @param language
	 */
	void setLanguage(String language);

	INodeNotifier getTarget();

	public void release(Object key);


}