/**
 *
 * The MIT License
 *
 * Copyright (c) 2011 the original author or authors.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.googlecode.charts4j.collect;

import java.util.EnumMap;
import java.util.HashMap;
import java.util.Map;

/**
 * Maps static factory class.
 *
 * @author Julien Chastang (julien.c.chastang at gmail dot com)
 */
public final class Maps {

    /**
     * Static factory class can never be instantiated.
     */
    private Maps() {
        throw new AssertionError();
    }

    /**
     * Static factory method to instantiate an enum map with the specified key
     * type.
     *
     * @param <K>
     *            key type parameter.
     * @param <V>
     *            value type parameter.
     * @param type
     *            enum map will be instantiated with the specified type.
     *
     * @return an enum map.
     */
    public static <K extends Enum<K>, V> EnumMap<K, V> newEnumMap(final Class<K> type) {
        return new EnumMap<K, V>(type);
    }

    /**
     * Static factory method to instantiate a hash map.
     *
     * @param <K>
     *            key type parameter.
     * @param <V>
     *            value type parameter.
     * @return a hash map.
     */
    public static <K, V> Map<K, V> newHashMap() {
        return new HashMap<K, V>();
    }
}
