SetTextSegmentRule


1   /*
2    * Copyright 2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */ 
16  
17  import org.apache.commons.beanutils.MethodUtils;
18  import org.apache.commons.digester.Rule;
19  
20  /**
21   * When a text segment is discovered, it calls a specific method on the top
22   * object on the stack.
23   */
24  
25  public class SetTextSegmentRule extends Rule implements TextSegmentHandler {
26  
27  
28      // ----------------------------------------------------------- Constructors
29  
30      public SetTextSegmentRule(String   methodName) {
31          this.methodName = methodName;
32      }
33  
34      // ----------------------------------------------------- Instance Variables
35  
36  
37      /**
38       * The method name to call on the parent object.
39       */
40      protected String   methodName = null;
41  
42      // --------------------------------------------------------- Public Methods
43  
44      /**
45       * Process the end of this element.
46       */
47      public void textSegment(String   text) throws Exception   {
48  
49          Object   target = digester.peek(0);
50  
51          // Call the specified method
52          Class   paramTypes[] = new Class  [] {String  .class};
53          MethodUtils.invokeMethod(target, methodName,
54              new Object  []{ text }, paramTypes);
55      }
56  }
57
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