001package org.apache.turbine.pipeline;
002
003
004/*
005 * Licensed to the Apache Software Foundation (ASF) under one
006 * or more contributor license agreements.  See the NOTICE file
007 * distributed with this work for additional information
008 * regarding copyright ownership.  The ASF licenses this file
009 * to you under the Apache License, Version 2.0 (the
010 * "License"); you may not use this file except in compliance
011 * with the License.  You may obtain a copy of the License at
012 *
013 *   http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing,
016 * software distributed under the License is distributed on an
017 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
018 * KIND, either express or implied.  See the License for the
019 * specific language governing permissions and limitations
020 * under the License.
021 */
022
023
024import java.io.IOException;
025
026import org.apache.turbine.TurbineConstants;
027import org.apache.turbine.annotation.TurbineConfiguration;
028import org.apache.turbine.annotation.TurbineLoader;
029import org.apache.turbine.modules.Action;
030import org.apache.turbine.modules.ActionLoader;
031import org.apache.turbine.util.TurbineException;
032
033/**
034 * Implements the action portion of the "Turbine classic" processing
035 * pipeline (from the Turbine 2.x series).
036 *
037 * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
038 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
039 * @version $Id$
040 */
041public class DefaultACLCreationValve
042    implements Valve
043{
044    /** Injected loader instance */
045    @TurbineLoader( Action.class )
046    private ActionLoader actionLoader;
047
048    @TurbineConfiguration( TurbineConstants.ACTION_ACCESS_CONTROLLER_KEY )
049    private String actionAccessController = TurbineConstants.ACTION_ACCESS_CONTROLLER_DEFAULT;
050
051    /**
052     * @see org.apache.turbine.pipeline.Valve#invoke(PipelineData, ValveContext)
053     */
054    @Override
055    public void invoke(PipelineData pipelineData, ValveContext context)
056        throws IOException, TurbineException
057    {
058        try
059        {
060            // Put the Access Control List into the RunData object, so
061            // it is easily available to modules.  It is also placed
062            // into the session for serialization.  Modules can null
063            // out the ACL to force it to be rebuilt based on more
064            // information.
065            actionLoader.exec(pipelineData, actionAccessController);
066        }
067        catch (Exception e)
068        {
069            throw new TurbineException(e);
070        }
071
072        // Pass control to the next Valve in the Pipeline
073        context.invokeNext(pipelineData);
074    }
075}