/*
 * Copyright (C) 2009, Google Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Git Development Community nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.spearce.jgit.diff;

import java.util.AbstractList;
import java.util.ArrayList;

/** Specialized list of {@link Edit}s in a document. */
public class EditList extends AbstractList<Edit> {
	private final ArrayList<Edit> container;

	/** Create a new, empty edit list. */
	public EditList() {
		container = new ArrayList<Edit>();
	}

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

	@Override
	public Edit get(final int index) {
		return container.get(index);
	}

	@Override
	public Edit set(final int index, final Edit element) {
		return container.set(index, element);
	}

	@Override
	public void add(final int index, final Edit element) {
		container.add(index, element);
	}

	@Override
	public Edit remove(final int index) {
		return container.remove(index);
	}

	@Override
	public int hashCode() {
		return container.hashCode();
	}

	@Override
	public boolean equals(final Object o) {
		if (o instanceof EditList)
			return container.equals(((EditList) o).container);
		return false;
	}

	@Override
	public String toString() {
		return "EditList" + container.toString();
	}
}