001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.util.io; 016 017import org.apache.tapestry.services.DataSqueezer; 018 019/** 020 * Squeezes a Character. 021 * 022 * @author Howard Lewis Ship 023 * @since 2.2 024 */ 025 026public class CharacterAdaptor implements SqueezeAdaptor 027{ 028 private static final String PREFIX = "c"; 029 030 private static final char PREFIX_CH = 'c'; 031 032 public String getPrefix() 033 { 034 return PREFIX; 035 } 036 037 public Class getDataClass() 038 { 039 return Character.class; 040 } 041 042 public String squeeze(DataSqueezer squeezer, Object data) 043 { 044 Character charData = (Character) data; 045 char value = charData.charValue(); 046 047 char[] buffer = new char[] 048 { PREFIX_CH, value }; 049 050 return new String(buffer); 051 } 052 053 public Object unsqueeze(DataSqueezer squeezer, String string) 054 { 055 return new Character(string.charAt(1)); 056 } 057 058}