package org.apache.turbine.pipeline;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.

  */

 import java.io.IOException;

 import org.apache.turbine.TurbineConstants;

 import org.apache.turbine.annotation.TurbineConfiguration;

 import org.apache.turbine.annotation.TurbineLoader;

 import org.apache.turbine.modules.Action;

 import org.apache.turbine.modules.ActionLoader;

 import org.apache.turbine.util.TurbineException;

 /**

  * Implements the action portion of the "Turbine classic" processing

  * pipeline (from the Turbine 2.x series).

  *

  * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>\

  * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>

  * @version $Id: DefaultSessionValidationValve.java 1854797 2019-03-04 20:41:39Z tv $

  */

 public class DefaultSessionValidationValve

     implements Valve

 {

     /** Injected loader instance */

     @TurbineLoader( Action.class )

     private ActionLoader actionLoader;

     @TurbineConfiguration( TurbineConstants.ACTION_SESSION_VALIDATOR_KEY )

     private String actionSessionValidator = TurbineConstants.ACTION_SESSION_VALIDATOR_DEFAULT;

     /**

      * @see org.apache.turbine.pipeline.Valve#invoke(PipelineData, ValveContext)

      */

     @Override

     public void invoke(PipelineData pipelineData, ValveContext context)

         throws IOException, TurbineException

     {

         try

         {

             // This is where the validation of the Session information

             // is performed if the user has not logged in yet, then

             // the screen is set to be Login. This also handles the

             // case of not having a screen defined by also setting the

             // screen to Login. If you want people to go to another

             // screen other than Login, you need to change that within

             // TurbineResources.properties...screen.homepage; or, you

             // can specify your own SessionValidator action.

             actionLoader.exec(pipelineData, actionSessionValidator);

         }

         catch (Exception e)

         {

             throw new TurbineException(e);

         }

         // Pass control to the next Valve in the Pipeline

         context.invokeNext(pipelineData);

     }

 }