001    // Copyright 2008, 2010 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.tapestry5.internal.services;
016    
017    import org.apache.tapestry5.ValueEncoder;
018    import org.apache.tapestry5.services.ContextValueEncoder;
019    import org.apache.tapestry5.services.ValueEncoderSource;
020    
021    @SuppressWarnings("all")
022    public class ContextValueEncoderImpl implements ContextValueEncoder
023    {
024        private final ValueEncoderSource valueEncoderSource;
025    
026        public ContextValueEncoderImpl(ValueEncoderSource valueEncoderSource)
027        {
028            this.valueEncoderSource = valueEncoderSource;
029        }
030    
031        public String toClient(Object value)
032        {
033            assert value != null;
034    
035            ValueEncoder encoder = valueEncoderSource.getValueEncoder(value.getClass());
036    
037            return encoder.toClient(value);
038        }
039    
040    
041        public <T> T toValue(Class<T> requiredType, String clientValue)
042        {
043            assert requiredType != null;
044    
045            ValueEncoder<T> encoder = valueEncoderSource.getValueEncoder(requiredType);
046    
047            return encoder.toValue(clientValue);
048        }
049    }