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1   // Copyright 2008 Thiago H. de Paula Figueiredo
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package br.com.arsmachina.tapestrycrud.services.impl;
16  
17  import java.io.Serializable;
18  import java.util.Map;
19  
20  import org.apache.tapestry5.ioc.util.StrategyRegistry;
21  
22  import br.com.arsmachina.tapestrycrud.encoder.Encoder;
23  import br.com.arsmachina.tapestrycrud.services.EncoderSource;
24  
25  /**
26   * {@link EncoderSource} implementation.
27   * 
28   * @author Thiago H. de Paula Figueiredo
29   */
30  public class EncoderSourceImpl implements EncoderSource {
31  
32  	@SuppressWarnings("unchecked")
33  	final private StrategyRegistry<Encoder> registry;
34  
35  	/**
36  	 * Single constructor.
37  	 * 
38  	 * @param registrations
39  	 */
40  	@SuppressWarnings("unchecked")
41  	public EncoderSourceImpl(Map<Class, Encoder> registrations) {
42  		registry = StrategyRegistry.newInstance(Encoder.class, registrations, true);
43  	}
44  
45  	/**
46  	 * @see br.com.arsmachina.tapestrycrud.services.EncoderSource#get(java.lang.Class)
47  	 */
48  	@SuppressWarnings("unchecked")
49  	public <T, K extends Serializable> Encoder<T, K> get(Class<T> clasz) {
50  		return registry.get(clasz);
51  	}
52  
53  }