OutputWrapper


1   package org.apache.velocity.anakia;
2   
3   /*
4    * Copyright 2001,2004 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  import java.io.IOException  ;
20  import java.io.StringWriter  ;
21  
22  import org.jdom.Element;
23  import org.jdom.output.XMLOutputter;
24  
25  /**
26   * This class extends XMLOutputter in order to provide
27   * a way to walk an Element tree into a String.
28   *
29   * @author <a HREF="mailto:jon@latchkey.com">Jon S. Stevens</a>
30   * @author <a HREF="mailto:rubys@us.ibm.com">Sam Ruby</a>
31   * @version $Id: OutputWrapper.java,v 1.6.4.1 2004/03/03 23:22:04 geirm Exp $
32   */
33  public class OutputWrapper extends XMLOutputter
34  {
35      /**
36       * Empty constructor
37       */
38      public OutputWrapper()
39      {
40      }
41      
42      /**
43       * This method walks an Element tree into a String. The cool
44       * thing about it is that it will strip off the first Element.
45       * For example, if you have:
46       * <p>
47       * &lt;td&gt; foo &lt;strong&gt;bar&lt;/strong&gt; ack &lt;/td&gt;
48       * </p>
49       * It will output
50       * <p>
51       *  foo &lt;strong&gt;bar&lt;/strong&gt; ack &lt;/td&gt;
52       * </p>
53       */
54      public String   outputString(Element element, boolean strip)
55      {
56          StringWriter   buff = new StringWriter  ();
57          String   name = element.getName();
58  
59          try
60          {
61              outputElementContent(element, buff);
62          }
63          catch (IOException   e)
64          {
65          }
66          return buff.toString();
67      }
68  }
69
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