001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.betwixt.strategy; 018 019 import java.beans.Introspector; 020 021 /** 022 * <p>A name mapper which converts types to a decapitalized String.</p> 023 * 024 * <p>This conversion decapitalizes in the standard java beans way 025 * (as per <code>java.beans.Introspector</code>). 026 * This means that the first letter only will be decapitalized except 027 * for the case where the first and second characters are both upper case. 028 * When both are upper case, then the name will be left alown.</p> 029 * 030 * <p>So a bean type of <code>Foo</code> will be converted to the element name <code>"foo"</code. 031 * <code>FooBar</code> will be converted to <code>"fooBar"</code>. 032 * But <code>URL</code> will remain as <code>"URL"</code>.</p> 033 * 034 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 035 * @version $Revision: 471234 $ 036 */ 037 public class DecapitalizeNameMapper implements NameMapper { 038 039 /** 040 * Decapitalize first letter unless both are upper case. 041 * (As per standard java beans behaviour.) 042 * 043 * @param typeName the string to convert 044 * @return decapitalized name as per <code>java.beans.Introspector</code> 045 */ 046 public String mapTypeToElementName(String typeName) { 047 return Introspector.decapitalize( typeName ); 048 } 049 050 /** 051 * Outputs a brief description. 052 * @since 0.8 053 */ 054 public String toString() { 055 return "Decapitalize Type Name Mapper"; 056 } 057 }