de.clusteval.serverclient.MyOptionComparator.java Source code

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Here is the source code for de.clusteval.serverclient.MyOptionComparator.java

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/*******************************************************************************
 * Copyright (c) 2013 Christian Wiwie.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Christian Wiwie - initial API and implementation
 ******************************************************************************/
/**
 * 
 */
package de.clusteval.serverclient;

import java.util.Comparator;

import org.apache.commons.cli.Option;

/**
 * This comparator is needed, to sort options by their required property first
 * and second after their name.
 * 
 * @author Christian Wiwie
 * 
 */
@SuppressWarnings("rawtypes")
public class MyOptionComparator implements Comparator {

    @Override
    public int compare(Object o1, Object o2) {
        Option opt1 = (Option) o1;
        Option opt2 = (Option) o2;

        if (opt1.isRequired() && !opt2.isRequired())
            return -1;
        else if (!opt1.isRequired() && opt2.isRequired())
            return 1;
        return opt1.getOpt().compareToIgnoreCase(opt2.getOpt());
    }

}