View Javadoc

1   /*
2    * $Id: StrutsActionProxy.java 476642 2006-11-18 22:40:18Z mrdon $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  // Copyright 2006 Google Inc. All Rights Reserved.
22  
23  package org.apache.struts2.impl;
24  
25  import java.util.Map;
26  import java.util.concurrent.Callable;
27  
28  import com.opensymphony.xwork2.ActionContext;
29  import com.opensymphony.xwork2.DefaultActionProxy;
30  
31  public class StrutsActionProxy extends DefaultActionProxy {
32  
33      private static final long serialVersionUID = -2434901249671934080L;
34  
35      public StrutsActionProxy(String namespace, String actionName, Map extraContext,
36                               boolean executeResult, boolean cleanupContext) throws Exception {
37          super(namespace, actionName, extraContext, executeResult, cleanupContext);
38      }
39  
40      public String execute() throws Exception {
41          ActionContext previous = ActionContext.getContext();
42          ActionContext.setContext(invocation.getInvocationContext());
43          try {
44              return RequestContextImpl.callInContext(invocation, new Callable<String>() {
45                  public String call() throws Exception {
46                      return invocation.invoke();
47                  }
48              });
49          } finally {
50              if (cleanupContext)
51                  ActionContext.setContext(previous);
52          }
53      }
54  }