content: /*
   *   Copyright 2009 Joubin Houshyar
   * 
   *   Licensed under the Apache License, Version 2.0 (the "License");
   *   you may not use this file except in compliance with the License.
   *   You may obtain a copy of the License at
   *    
   *   http://www.apache.org/licenses/LICENSE-2.0
   *    
   *   Unless required by applicable law or agreed to in writing, software
   *   distributed under the License is distributed on an "AS IS" BASIS,
   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *   See the License for the specific language governing permissions and
   *   limitations under the License.
   */
  
  package org.jredis.semantics;
  
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  import org.jredis.Codec;
  
  // REFACTOR: this doesn't belong here
  //
  public final class BasicCodecManager implements CodecManager {
  	private final Map<Class<?>, Codec<?>> map = new ConcurrentHashMap<Class<?>, Codec<?>>();
  	public void foo () {
  		Codec<String>  stringCodec = null;
  		map.put(String.class, stringCodec);
  	}
  
  	@SuppressWarnings("unchecked")
  	@Override
  	public <T> Codec<T> getCodec(Class<T> type) {
  		return (Codec<T>) map.get(type);
  	}
  
  	@Override
  	public <T> boolean register(Codec<T> code, Class<T> type) {
  		Codec<?> existing = map.get(type);
  		if(null == existing){
  			if (code.supports(type)){
  				map.put(type, code);
  				return true;
  			}
  		}
  		return false;
  	}
  }