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'databene commons' is an open source Java library by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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.databene.commons.collection;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.databene.commons.Named;

/**
 * A {@link Map} which offers convenience methods for managing {@link Named} objects
 * in a Map semantics by their name property.
 * Created: 06.06.2012 20:15:36
 * @param  the type of the collection's elements
 * @since 0.5.16
 * @author Volker Bergmann
 */
public class NameMap extends HashMap {

	private static final long serialVersionUID = -4765030342987297182L;

	public NameMap() {
		super();
	}

	public NameMap(int initialCapacity, float loadFactor) {
		super(initialCapacity, loadFactor);
	}

	public NameMap(int initialCapacity) {
		super(initialCapacity);
	}

	public NameMap(Collection prototype) {
		super(prototype.size());
		for (E item : prototype)
			super.put(item.getName(), item);
	}
	
	public NameMap(E... elements) {
		super(elements.length);
		for (E element : elements)
			super.put(element.getName(), element);
	}
	
	public void put(E item) {
		super.put(item.getName(), item);
	}
	
}