1 package org.apache.turbine.pipeline; 2 3 4 /* 5 * Licensed to the Apache Software Foundation (ASF) under one 6 * or more contributor license agreements. See the NOTICE file 7 * distributed with this work for additional information 8 * regarding copyright ownership. The ASF licenses this file 9 * to you under the Apache License, Version 2.0 (the 10 * "License"); you may not use this file except in compliance 11 * with the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, 16 * software distributed under the License is distributed on an 17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18 * KIND, either express or implied. See the License for the 19 * specific language governing permissions and limitations 20 * under the License. 21 */ 22 23 24 import java.io.IOException; 25 26 import org.apache.turbine.Turbine; 27 import org.apache.turbine.TurbineConstants; 28 import org.apache.turbine.modules.Action; 29 import org.apache.turbine.modules.ActionLoader; 30 import org.apache.turbine.services.assemblerbroker.TurbineAssemblerBroker; 31 import org.apache.turbine.util.TurbineException; 32 33 /** 34 * Implements the action portion of the "Turbine classic" processing 35 * pipeline (from the Turbine 2.x series). 36 * 37 * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>\ 38 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a> 39 * @version $Id: DefaultSessionValidationValve.java 758254 2009-03-25 13:41:02Z tv $ 40 */ 41 public class DefaultSessionValidationValve 42 extends AbstractValve 43 { 44 private ActionLoader actionLoader; 45 46 public DefaultSessionValidationValve() 47 throws Exception 48 { 49 // empty constructor 50 } 51 52 /** 53 * Initialize this valve for use in a pipeline. 54 * 55 * @see org.apache.turbine.pipeline.AbstractValve#initialize() 56 */ 57 public void initialize() throws Exception 58 { 59 super.initialize(); 60 61 this.actionLoader = (ActionLoader)TurbineAssemblerBroker.getLoader(Action.NAME); 62 } 63 64 /** 65 * @see org.apache.turbine.Valve#invoke(RunData, ValveContext) 66 */ 67 public void invoke(PipelineData pipelineData, ValveContext context) 68 throws IOException, TurbineException 69 { 70 try 71 { 72 // This is where the validation of the Session information 73 // is performed if the user has not logged in yet, then 74 // the screen is set to be Login. This also handles the 75 // case of not having a screen defined by also setting the 76 // screen to Login. If you want people to go to another 77 // screen other than Login, you need to change that within 78 // TurbineResources.properties...screen.homepage; or, you 79 // can specify your own SessionValidator action. 80 actionLoader.exec(pipelineData, 81 Turbine.getConfiguration().getString( 82 TurbineConstants.ACTION_SESSION_VALIDATOR_KEY, 83 TurbineConstants.ACTION_SESSION_VALIDATOR_DEFAULT)); 84 } 85 catch (Exception e) 86 { 87 throw new TurbineException(e); 88 } 89 90 // Pass control to the next Valve in the Pipeline 91 context.invokeNext(pipelineData); 92 } 93 }