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    
015    package org.apache.tapestry.util.io;
016    
017    import org.apache.tapestry.services.DataSqueezer;
018    
019    /**
020     * Squeezes a {@link Short}.
021     * 
022     * @author Howard Lewis Ship
023     */
024    
025    public class ShortAdaptor implements SqueezeAdaptor
026    {
027        private static final String PREFIX = "s";
028    
029        public String getPrefix()
030        {
031            return PREFIX;
032        }
033    
034        public Class getDataClass()
035        {
036            return Short.class;
037        }
038    
039        /**
040         * Invoked <code>toString()</code> on data (which is type {@link Short}), and prefixs the
041         * result.
042         */
043    
044        public String squeeze(DataSqueezer squeezer, Object data)
045        {
046            return PREFIX + data.toString();
047        }
048    
049        /**
050         * Constructs a {@link Short} from the string, after stripping the prefix.
051         */
052    
053        public Object unsqueeze(DataSqueezer squeezer, String string)
054        {
055            return new Short(string.substring(1));
056        }
057    
058    }