/*
    * Copyright 2010 Daniel Kurka
    * 
    * 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 com.googlecode.mgwt.collection.shared.java;
  
  import java.util.HashMap;
  import java.util.Set;
  
  import com.googlecode.mgwt.collection.shared.LightArray;
  import com.googlecode.mgwt.collection.shared.LightMap;
  
  /**
   * Java implementation of {@link LightMap}
   * 
   * @author Daniel Kurka
   * 
   * @param <V> type of objects to store
   */
  public class JavaLightMap<V> implements LightMap<V> {
  
  	private HashMap<String, V> map;
  
    /**
     * Construct a {@link JavaLightMap}
     */
  	public JavaLightMap() {
  		map = new HashMap<String, V>();
  	}
  
  	@Override
  	public void clear() {
  		map.clear();
  
  	}
  
  	@Override
  	public boolean containsKey(String key) {
  		return map.containsKey(key);
  	}
  
  	@Override
  	public LightArray<String> getKeys() {
  		Set<String> keySet = map.keySet();
  		return JavaLightArray.fromSet(keySet);
  	}
  
  	@Override
  	public void remove(String key) {
  		map.remove(key);
  	}
  
  	@Override
  	public V get(String key) {
  		return map.get(key);
  	}
  
  	@Override
  	public void put(String key, V value) {
  		map.put(key, value);
  	}
  
  }