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1   /*
2    * $Id: ActionFormResetInterceptor.java 478625 2006-11-23 17:31:52Z wsmoak $
3    *
4    * Copyright 2000-2004 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.struts2.s1;
20  
21  import javax.servlet.http.HttpServletRequest;
22  
23  import org.apache.struts.action.ActionForm;
24  import org.apache.struts.action.ActionMapping;
25  import org.apache.struts2.ServletActionContext;
26  import org.apache.struts2.dispatcher.Dispatcher;
27  
28  import com.opensymphony.xwork2.ActionInvocation;
29  import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
30  import com.opensymphony.xwork2.interceptor.ScopedModelDriven;
31  
32  /***
33   *  Calls the reset() method on the ActionForm, if it exists.
34   */
35  public class ActionFormResetInterceptor extends AbstractInterceptor {
36  
37      @Override
38      public String intercept(ActionInvocation invocation) throws Exception {
39          Object action = invocation.getAction();
40  
41          if (action instanceof ScopedModelDriven) {
42              ScopedModelDriven modelDriven = (ScopedModelDriven) action;
43              Object model = modelDriven.getModel();
44              if (model != null && model instanceof ActionForm) {
45                  Struts1Factory factory = new Struts1Factory(Dispatcher.getInstance().getConfigurationManager().getConfiguration());
46                  ActionMapping mapping = factory.createActionMapping(invocation.getProxy().getConfig());
47                  HttpServletRequest req = ServletActionContext.getRequest();
48                  ((ActionForm)model).reset(mapping, req);
49              }
50          }
51          return invocation.invoke();
52      }
53  }