/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.util.misc.converter;

import java.awt.Dimension;

import com.oracle.solaris.vp.util.misc.TextUtil;

public class DimensionStringConverter extends StringConverter<Dimension> {

    //

    // Static data

    //

    public static final DimensionStringConverter INSTANCE =

	new DimensionStringConverter();

    //

    // Converter methods

    //

    /**

     * Converts the given {@code String} to a {@code Dimension}.

     *

     * @param	    s

     *		    the {@code String} to convert: two integers (width and

     *		    height) separated by whitespace and/or commas

     *

     * @return	    {@code null} if {@code s} is {@code null}, a {@code

     *		    Dimension} otherwise

     *

     * @exception   IllegalArgumentException if the given {@code String} could

     *		    not be converted to a {@code Dimension}

     */

    @Override

    public Dimension convert(String s) {

	if (s == null) {

	    return null;

	}

	String[] groups = TextUtil.match(

	    s, "^\\s*(\\d+)[\\s,]+(\\d+)\\s*$");

	if (groups != null) {

	    return new Dimension(Integer.parseInt(groups[1]),

		Integer.parseInt(groups[2]));

	}

	throw new IllegalArgumentException(String.format(

	    "invalid dimension: %s", s));

    }

    //

    // DualConverter methods

    //

    @Override

    public String revert(Dimension d) {

	return d.width + ", " + d.height;

    }

}