Java Rectangle getRectangleProperty(Map p, Object key, Rectangle defaultValue)

Description

calling this is not thread safe

License

Open Source License

Declaration

public static Rectangle getRectangleProperty(Map p, Object key,
        Rectangle defaultValue) 

Method Source Code

//package com.java2s;
/* Copyright (C) 2006 Christian Schneider
 * /*w ww. j  a  va2 s  . c o m*/
 * 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;
    }
}

Related

1. formatRectangle(Rectangle rect)
2. getAbsoluteRectangle(Rectangle rect)
3. getFrameOrientations(Rectangle parent)
4. getMaximalRectangle(Rectangle r1, Rectangle r2)
5. getRect(byte[] data, int i)
6. getRectLE(byte[] data, int i)
7. getSubArea(Shape retangulo, int divisorx, int divisory, int offsetx, int offsety)
8. inflateRectangle(Rectangle r, int x, int y)
9. interpolate(Rectangle r1, Rectangle r2, float f)