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 DefaultSessionValidationValve 042 implements Valve 043{ 044 /** Injected loader instance */ 045 @TurbineLoader( Action.class ) 046 private ActionLoader actionLoader; 047 048 @TurbineConfiguration( TurbineConstants.ACTION_SESSION_VALIDATOR_KEY ) 049 private String actionSessionValidator = TurbineConstants.ACTION_SESSION_VALIDATOR_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 // This is where the validation of the Session information 061 // is performed if the user has not logged in yet, then 062 // the screen is set to be Login. This also handles the 063 // case of not having a screen defined by also setting the 064 // screen to Login. If you want people to go to another 065 // screen other than Login, you need to change that within 066 // TurbineResources.properties...screen.homepage; or, you 067 // can specify your own SessionValidator action. 068 actionLoader.exec(pipelineData, actionSessionValidator); 069 } 070 catch (Exception e) 071 { 072 throw new TurbineException(e); 073 } 074 075 // Pass control to the next Valve in the Pipeline 076 context.invokeNext(pipelineData); 077 } 078}