BaseModelBuilder


1   /* ***** BEGIN LICENSE BLOCK *****
2    * Version: MPL 1.1
3    * The contents of this file are subject to the Mozilla Public License Version
4    * 1.1 (the "License"); you may not use this file except in compliance with
5    * the License. You may obtain a copy of the License at
6    * http://www.mozilla.org/MPL/
7    * 
8    * Software distributed under the License is distributed on an "AS IS" basis,
9    * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10   * for the specific language governing rights and limitations under the
11   * License.
12   * 
13   * The Original Code is Riot.
14   * 
15   * The Initial Developer of the Original Code is
16   * Neteye GmbH.
17   * Portions created by the Initial Developer are Copyright (C) 2006
18   * the Initial Developer. All Rights Reserved.
19   * 
20   * Contributor(s):
21   *   Felix Gnass [fgnass at neteye dot de]
22   * 
23   * ***** END LICENSE BLOCK ***** */
24  package org.riotfamily.website.generic.model;
25  
26  import java.util.Map  ;
27  
28  import javax.servlet.http.HttpServletRequest  ;
29  
30  import org.riotfamily.common.collection.FlatMap;
31  
32  /**
33   * Abstract base class for ModelBuilders that expose only a single object. 
34   * The built model will be a {@link org.riotfamily.common.collection.FlatMap}.
35   */
36  public abstract class BaseModelBuilder implements ModelBuilder {
37  
38      private String   modelKey;
39      
40      public void setModelKey(String   modelKey) {
41          this.modelKey = modelKey;
42      }
43  
44      public final Map   buildModel(HttpServletRequest   request) throws Exception   {
45          FlatMap model = new FlatMap();
46          model.put(modelKey, buildModelObject(request));
47          return model;
48      }
49      
50      public abstract Object   buildModelObject(HttpServletRequest   request) 
51              throws Exception  ; 
52  
53  }
54

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