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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */ 
17  package org.apache.commons.betwixt.strategy;
18  
19  import java.beans.Introspector;
20  
21  /** 
22   * <p>A name mapper which converts types to a decapitalized String.</p>
23   *
24   * <p>This conversion decapitalizes in the standard java beans way 
25   * (as per <code>java.beans.Introspector</code>).
26   * This means that the first letter only will be decapitalized except 
27   * for the case where the first and second characters are both upper case.
28   * When both are upper case, then the name will be left alown.</p>
29   * 
30   * <p>So a bean type of <code>Foo</code> will be converted to the element name <code>"foo"</code.
31   * <code>FooBar</code> will be converted to <code>"fooBar"</code>.
32   * But <code>URL</code> will remain as <code>"URL"</code>.</p>
33   * 
34   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
35   * @version $Revision: 471234 $
36   */
37  public class DecapitalizeNameMapper implements NameMapper {
38  
39      /**
40       * Decapitalize first letter unless both are upper case.
41       * (As per standard java beans behaviour.)
42       * 
43       * @param typeName the string to convert 
44       * @return decapitalized name as per <code>java.beans.Introspector</code>
45       */
46      public String mapTypeToElementName(String typeName) {
47          return Introspector.decapitalize( typeName );
48      }
49      
50      /**
51       * Outputs a brief description.
52       * @since 0.8
53       */
54      public String toString() {
55          return "Decapitalize Type Name Mapper";
56      }
57  }