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/*
 * Copyright 2008 Google Inc.
 *
 * 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 java.util;

import static javaemul.internal.InternalPreconditions.checkArgument;

/**
 * A {@link java.util.Map} of {@link Enum}s. [Sun docs]
 *
 * @param  key type
 * @param  value type
 */
public class EnumMap, V> extends AbstractMap implements Cloneable {

  private TreeMap map = new TreeMap();

  EnumMap() {}

  public EnumMap(Class type) {}

  public EnumMap(Map m) {
    putAll(m);
    checkArgument(m instanceof EnumMap || !isEmpty());
  }

  @Override
  public void clear() {
    map.clear();
  }

  public EnumMap clone() {
    return new EnumMap(this);
  }

  @Override
  public boolean containsKey(Object key) {
    return map.containsKey(key);
  }

  @Override
  public boolean containsValue(Object value) {
    return map.containsValue(value);
  }

  @Override
  public Set keySet() {
    return map.keySet();
  }

  @Override
  public Set> entrySet() {
    return map.entrySet();
  }

  @Override
  public V get(Object k) {
    return map.get(k);
  }

  @Override
  public V put(K key, V value) {
    return map.put(key, value);
  }

  @Override
  public V remove(Object key) {
    return map.remove(key);
  }

  @Override
  public int size() {
    return map.size();
  }
}