/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/metaobj/trunk/metaobj-api/api/src/java/org/sakaiproject/metaobj/shared/mgt/HttpAccessBase.java $
* $Id: HttpAccessBase.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2005, 2006, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.metaobj.shared.mgt;
import java.util.Collection;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.sakaiproject.entity.api.EntityAccessOverloadException;
import org.sakaiproject.entity.api.EntityCopyrightException;
import org.sakaiproject.entity.api.EntityNotDefinedException;
import org.sakaiproject.entity.api.EntityPermissionException;
import org.sakaiproject.entity.api.EntityProducer;
import org.sakaiproject.entity.api.HttpAccess;
import org.sakaiproject.entity.api.Reference;
import org.sakaiproject.entity.cover.EntityManager;
/**
* Created by IntelliJ IDEA.
* User: John Ellis
* Date: Nov 7, 2005
* Time: 3:14:16 PM
* To change this template use File | Settings | File Templates.
*/
public abstract class HttpAccessBase implements HttpAccess {
public void handleAccess(HttpServletRequest req, HttpServletResponse res,
Reference ref, Collection copyrightAcceptedRefs)
throws EntityPermissionException, EntityNotDefinedException, EntityAccessOverloadException, EntityCopyrightException {
ReferenceParser parser = createParser(ref);
checkSource(ref, parser);
ContentEntityWrapper wrapper = (ContentEntityWrapper) ref.getEntity();
if (wrapper == null || wrapper.getBase() == null) {
throw new EntityNotDefinedException(ref.getReference());
}
else {
Reference realRef = EntityManager.newReference(wrapper.getBase().getReference());
EntityProducer producer = realRef.getEntityProducer();
producer.getHttpAccess().handleAccess(req, res, realRef, copyrightAcceptedRefs);
}
}
protected ReferenceParser createParser(Reference ref) {
return new ReferenceParser(ref.getReference(), ref.getEntityProducer());
}
protected abstract void checkSource(Reference ref, ReferenceParser parser)
throws EntityPermissionException, EntityNotDefinedException, EntityAccessOverloadException, EntityCopyrightException;
}