| /* |
| * Copyright 1999-2002,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache 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.apache.org/licenses/LICENSE-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.apache.cocoon.portal.aspect.impl; |
| |
| import org.apache.avalon.framework.component.Component; |
| import org.apache.avalon.framework.context.Context; |
| import org.apache.avalon.framework.context.ContextException; |
| import org.apache.avalon.framework.context.Contextualizable; |
| import org.apache.avalon.framework.logger.AbstractLogEnabled; |
| import org.apache.avalon.framework.thread.ThreadSafe; |
| import org.apache.cocoon.components.ContextHelper; |
| import org.apache.cocoon.environment.Session; |
| import org.apache.cocoon.portal.aspect.AspectDataStore; |
| import org.apache.cocoon.portal.aspect.Aspectalizable; |
| |
| /** |
| * An aspect data store is a component that manages aspect data objects. |
| * |
| * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a> |
| * |
| * @version CVS $Id: SessionAspectDataStore.java,v 1.6 2004/03/05 13:02:10 bdelacretaz Exp $ |
| */ |
| public class SessionAspectDataStore |
| extends AbstractLogEnabled |
| implements Component, ThreadSafe, AspectDataStore, Contextualizable { |
| |
| protected Context context; |
| |
| protected String getKey(Aspectalizable owner, String aspectName) { |
| StringBuffer buffer = new StringBuffer(this.getClass().getName()); |
| buffer.append('/'); |
| buffer.append(owner.getClass().getName()); |
| buffer.append('/'); |
| buffer.append(owner.hashCode()); |
| buffer.append('/'); |
| buffer.append(aspectName); |
| return buffer.toString(); |
| } |
| |
| public Object getAspectData(Aspectalizable owner, String aspectName) { |
| final Session session = ContextHelper.getRequest(this.context).getSession(); |
| return session.getAttribute( this.getKey( owner, aspectName ) ); |
| } |
| |
| public void setAspectData(Aspectalizable owner, String aspectName, Object data) { |
| final Session session = ContextHelper.getRequest(this.context).getSession(); |
| if ( data == null ) { |
| session.removeAttribute( this.getKey( owner, aspectName) ); |
| } else { |
| session.setAttribute( this.getKey( owner, aspectName), data ); |
| } |
| } |
| |
| public boolean isPersistent() { |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.avalon.framework.context.Contextualizable#contextualize(org.apache.avalon.framework.context.Context) |
| */ |
| public void contextualize(Context context) throws ContextException { |
| this.context = context; |
| |
| } |
| |
| } |