Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/* Copyright (C) 2006 Christian Schneider
 * 
 * This file is part of Nomad.
 * 
 * Nomad is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * Nomad is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Nomad; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

import java.awt.Rectangle;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static Pattern rectanglePattern = null;

    /**
     * calling this is not thread safe
     */
    public static Rectangle getRectangleProperty(Map p, Object key, Rectangle defaultValue) {
        Object value = p.get(key);

        if (value instanceof Rectangle)
            return (Rectangle) value;
        else if (value instanceof String) {
            Rectangle r = parseRectangle((String) value);
            if (r != null)
                return r;
        }
        return defaultValue;
    }

    public static Rectangle parseRectangle(String s) {
        if (rectanglePattern == null)
            rectanglePattern = Pattern.compile("\\s*(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s*");

        Matcher m = rectanglePattern.matcher(s);

        if (m.matches()) {
            return new Rectangle(Integer.parseInt(m.group(1)), Integer.parseInt(m.group(2)),
                    Integer.parseInt(m.group(3)), Integer.parseInt(m.group(4)));
        }
        return null;
    }
}