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1   /*
2    * $Id: PopulateActionForm.java 471754 2006-11-06 14:55:09Z husted $
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  package org.apache.struts.chain.commands.servlet;
22  
23  import org.apache.commons.logging.Log;
24  import org.apache.commons.logging.LogFactory;
25  import org.apache.struts.Globals;
26  import org.apache.struts.action.ActionForm;
27  import org.apache.struts.action.ActionMapping;
28  import org.apache.struts.chain.commands.AbstractPopulateActionForm;
29  import org.apache.struts.chain.contexts.ActionContext;
30  import org.apache.struts.chain.contexts.ServletActionContext;
31  import org.apache.struts.config.ActionConfig;
32  import org.apache.struts.util.RequestUtils;
33  
34  /**
35   * <p>Populate the form bean (if any) for this request.  Sets the multipart
36   * class from the action config in the request attributes.</p>
37   *
38   * @version $Rev: 471754 $ $Date: 2005-11-12 13:01:44 -0500 (Sat, 12 Nov 2005)
39   *          $
40   */
41  public class PopulateActionForm extends AbstractPopulateActionForm {
42      private static final Log log = LogFactory.getLog(PopulateActionForm.class);
43  
44      // ------------------------------------------------------- Protected Methods
45      protected void populate(ActionContext context, ActionConfig actionConfig,
46          ActionForm actionForm)
47          throws Exception {
48          ServletActionContext saContext = (ServletActionContext) context;
49  
50          RequestUtils.populate(actionForm, actionConfig.getPrefix(),
51              actionConfig.getSuffix(), saContext.getRequest());
52      }
53  
54      protected void reset(ActionContext context, ActionConfig actionConfig,
55          ActionForm actionForm) {
56          ServletActionContext saContext = (ServletActionContext) context;
57  
58          actionForm.reset((ActionMapping) actionConfig, saContext.getRequest());
59  
60          // Set the multipart class
61          if (actionConfig.getMultipartClass() != null) {
62              saContext.getRequestScope().put(Globals.MULTIPART_KEY,
63                  actionConfig.getMultipartClass());
64          }
65      }
66  }