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 015package org.apache.tapestry5.internal.services; 016 017import org.apache.tapestry5.ValueEncoder; 018import org.apache.tapestry5.services.ContextValueEncoder; 019import org.apache.tapestry5.services.ValueEncoderSource; 020 021@SuppressWarnings("all") 022public 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}