MediaResourceMapper.java

/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.  
* <p>
*/ 

package org.olat.core.gui.control.winmgr;

import javax.servlet.http.HttpServletRequest;

import org.olat.core.dispatcher.mapper.Mapper;
import org.olat.core.gui.media.MediaResource;
import org.olat.core.logging.AssertException;

/**
 * serves a mediaresource
 * <P>
 * Initial Date: 28.03.2006 <br>
 * 
 * @author Felix Jost
 */
public class MediaResourceMapper implements Mapper {
	MediaResource mediaResource;

	public MediaResourceMapper() {
	//
	}

	public MediaResource handle(String relPath, HttpServletRequest request) {
		if (mediaResource == null) throw new AssertException("mr already served, relPath =" + relPath + ",");
		MediaResource r = mediaResource;
		mediaResource = null;
		return r;
	}

	/**
	 * @param mediaResource The mediaResource to set.
	 */
	public void setMediaResource(MediaResource mediaResource) {
		if (this.mediaResource != null) throw new AssertException("mediaresource not yet served!");
		this.mediaResource = mediaResource;
	}

}