Coverage report

  %line %branch
org.apache.jetspeed.request.JetspeedRequestContextComponent
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 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  * 
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  * 
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.jetspeed.request;
 18  
 
 19  
 import java.lang.reflect.Constructor;
 20  
 import java.util.HashMap;
 21  
 import java.util.Map;
 22  
 
 23  
 import javax.servlet.ServletConfig;
 24  
 import javax.servlet.http.HttpServletRequest;
 25  
 import javax.servlet.http.HttpServletResponse;
 26  
 
 27  
 import org.apache.commons.logging.Log;
 28  
 import org.apache.commons.logging.LogFactory;
 29  
 import org.apache.jetspeed.PortalReservedParameters;
 30  
 import org.apache.jetspeed.aggregator.CurrentWorkerContext;
 31  
 import org.apache.jetspeed.aggregator.Worker;
 32  
 import org.apache.jetspeed.userinfo.UserInfoManager;
 33  
 
 34  
 /**
 35  
  * JetspeedRequestContextComponent
 36  
  *
 37  
  * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
 38  
  * @version $Id: JetspeedRequestContextComponent.java 554827 2007-07-10 05:12:23Z taylor $
 39  
  */
 40  
 public class JetspeedRequestContextComponent implements RequestContextComponent
 41  
 {
 42  0
     private String contextClassName = null;
 43  0
     private Class contextClass = null;
 44  
     /** The user info manager. */
 45  
     private UserInfoManager userInfoMgr;
 46  0
     private ThreadLocal tlRequestContext = new ThreadLocal();
 47  
     private Map requestContextObjects;
 48  
     
 49  0
     private final static Log log = LogFactory.getLog(JetspeedRequestContextComponent.class);
 50  
 
 51  
     public JetspeedRequestContextComponent(String contextClassName)
 52  0
     {
 53  0
         this.contextClassName = contextClassName;
 54  0
         this.requestContextObjects = new HashMap();
 55  0
     }
 56  
 
 57  
     public JetspeedRequestContextComponent(String contextClassName, 
 58  
                                            UserInfoManager userInfoMgr)
 59  0
     {
 60  0
         this.contextClassName = contextClassName;
 61  0
         this.userInfoMgr = userInfoMgr;
 62  0
         this.requestContextObjects = new HashMap();        
 63  0
     }
 64  
 
 65  
     public JetspeedRequestContextComponent(String contextClassName, 
 66  
             UserInfoManager userInfoMgr,
 67  
             Map requestContextObjects)
 68  0
     {
 69  0
         this.contextClassName = contextClassName;
 70  0
         this.userInfoMgr = userInfoMgr;
 71  0
         this.requestContextObjects = requestContextObjects;        
 72  0
     }
 73  
     
 74  
     public RequestContext create(HttpServletRequest req, HttpServletResponse resp, ServletConfig config)
 75  
     {
 76  0
         RequestContext context = null;
 77  
 
 78  
         try
 79  
         {
 80  0
             if (null == contextClass)
 81  
             {
 82  0
                 contextClass = Class.forName(contextClassName);
 83  
             }
 84  
 
 85  0
             Constructor constructor =
 86  
                 contextClass.getConstructor(
 87  
                     new Class[] {
 88  
                         HttpServletRequest.class,
 89  
                         HttpServletResponse.class,
 90  
                         ServletConfig.class,
 91  
                         UserInfoManager.class,
 92  
                         Map.class});
 93  0
             context = (RequestContext) constructor.newInstance(new Object[] { req, resp, config, userInfoMgr, requestContextObjects});
 94  
                     
 95  
         }
 96  0
         catch (Exception e)
 97  
         {
 98  0
             String msg = "JetspeedRequestContextComponent: Failed to create a Class object for RequestContext: " + e.toString();
 99  0
             log.error(msg);
 100  0
         }
 101  0
         tlRequestContext.set(context);        
 102  0
         return context;
 103  
     }
 104  
 
 105  
     public void release(RequestContext context)
 106  
     {
 107  0
         tlRequestContext.set(null);
 108  0
     }
 109  
 
 110  
     /**
 111  
      * The servlet request can always get you back to the Request Context if you need it
 112  
      * This static accessor provides this capability
 113  
      *
 114  
      * @param request
 115  
      * @return RequestContext
 116  
      */
 117  
     public RequestContext getRequestContext(HttpServletRequest request)
 118  
     {
 119  0
         RequestContext rc = (RequestContext) request.getAttribute(PortalReservedParameters.REQUEST_CONTEXT_ATTRIBUTE);
 120  0
         if(rc != null)
 121  
         {
 122  0
             return rc;
 123  
         }
 124  
         else
 125  
         {
 126  0
             log.error("Cannot call getRequestContext(HttpServletRequest request) before it has been created and set for this thread.");
 127  0
             throw new IllegalStateException("Cannot call getRequestContext(HttpServletRequest request) before it has been created and set for this thread.");
 128  
         }
 129  
     }
 130  
     
 131  
     public RequestContext getRequestContext()
 132  
     {
 133  0
         RequestContext rc = null;
 134  
 
 135  0
         Thread ct = Thread.currentThread();
 136  0
         if (ct instanceof Worker || CurrentWorkerContext.getCurrentWorkerContextUsed())
 137  
         {
 138  0
             rc = (RequestContext) CurrentWorkerContext.getAttribute(PortalReservedParameters.REQUEST_CONTEXT_ATTRIBUTE);
 139  
         }
 140  
         else
 141  
         {
 142  0
             rc = (RequestContext) tlRequestContext.get();        
 143  
         }
 144  
 
 145  0
         if(rc != null)
 146  
         {
 147  0
             return rc;
 148  
         }
 149  
         else
 150  
         {
 151  0
             log.error("Cannot call getRequestContext() before it has been created and set for this thread.");
 152  0
             throw new IllegalStateException("Cannot call getRequestContext() before it has been created and set for this thread.");
 153  
         }
 154  
     }
 155  
 
 156  
 }

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