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}