EnumConvertorBuilder


1   /*
2    * Copyright 1999-2004 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  package org.apache.cocoon.woody.datatype.convertor;
17  
18  import org.apache.cocoon.woody.Constants;
19  import org.apache.cocoon.woody.util.DomHelper;
20  import org.w3c.dom.Element  ;
21  
22  /**
23   * Builds {@link EnumConvertor}s.
24   * 
25   * @version CVS $Id: EnumConvertorBuilder.java 30932 2004-07-29 17:35:38Z vgritsenko $
26   */
27  public class EnumConvertorBuilder implements ConvertorBuilder {
28  
29      /* (non-Javadoc)
30       * @see org.apache.cocoon.woody.datatype.convertor.ConvertorBuilder#build(org.w3c.dom.Element)
31       */
32      public Convertor build(Element   configElement) throws Exception   {
33          if (configElement == null) {
34              return null;
35          }
36          Element   enumEl = DomHelper.getChildElement(configElement,
37                  Constants.WD_NS, "enum", true);
38          String   clazz = enumEl.getFirstChild().getNodeValue();
39          return new EnumConvertor(clazz);
40      }
41  
42  }
43

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