    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    }