001 package 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 */ 022 023 024 import java.io.IOException; 025 026 import org.apache.turbine.Turbine; 027 import org.apache.turbine.TurbineConstants; 028 import org.apache.turbine.modules.Action; 029 import org.apache.turbine.modules.ActionLoader; 030 import org.apache.turbine.services.assemblerbroker.TurbineAssemblerBroker; 031 import 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: DefaultACLCreationValve.java 758254 2009-03-25 13:41:02Z tv $ 040 */ 041 public class DefaultACLCreationValve 042 extends AbstractValve 043 { 044 private ActionLoader actionLoader; 045 046 /** 047 * Here we can setup objects that are thread safe and can be 048 * reused. We setup the session validator and the access 049 * controller. 050 */ 051 public DefaultACLCreationValve() 052 throws Exception 053 { 054 // empty constructor 055 } 056 057 /** 058 * Initialize this valve for use in a pipeline. 059 * 060 * @see org.apache.turbine.pipeline.AbstractValve#initialize() 061 */ 062 public void initialize() throws Exception 063 { 064 super.initialize(); 065 066 this.actionLoader = (ActionLoader)TurbineAssemblerBroker.getLoader(Action.NAME); 067 } 068 069 /** 070 * @see org.apache.turbine.Valve#invoke(RunData, ValveContext) 071 */ 072 public void invoke(PipelineData pipelineData, ValveContext context) 073 throws IOException, TurbineException 074 { 075 try 076 { 077 // Put the Access Control List into the RunData object, so 078 // it is easily available to modules. It is also placed 079 // into the session for serialization. Modules can null 080 // out the ACL to force it to be rebuilt based on more 081 // information. 082 actionLoader.exec( 083 pipelineData, Turbine.getConfiguration().getString( 084 TurbineConstants.ACTION_ACCESS_CONTROLLER_KEY, 085 TurbineConstants.ACTION_ACCESS_CONTROLLER_DEFAULT)); 086 } 087 catch (Exception e) 088 { 089 throw new TurbineException(e); 090 } 091 092 // Pass control to the next Valve in the Pipeline 093 context.invokeNext(pipelineData); 094 } 095 }