Java Color from String stringToColorNoDefault(String string)

Description

string To Color No Default

License

LGPL

Declaration

private static Color stringToColorNoDefault(String string) throws NumberFormatException 

Method Source Code

//package com.java2s;
/*/*  w  ww .j  a v  a  2s  .  c  o  m*/
 * Copyright (c) 2007-2012 The Broad Institute, Inc.
 * SOFTWARE COPYRIGHT NOTICE
 * This software and its documentation are the copyright of the Broad Institute, Inc. All rights are reserved.
 *
 * This software is supplied without any warranty or guaranteed support whatsoever. The Broad Institute is not responsible for its use, misuse, or functionality.
 *
 * This software is licensed under the terms of the GNU Lesser General Public License (LGPL),
 * Version 2.1 which is available at http://www.opensource.org/licenses/lgpl-2.1.php.
 */

import java.awt.*;

import java.util.*;

public class Main {
    static Map<String, String> colorSymbols = new HashMap();

    private static Color stringToColorNoDefault(String string) throws NumberFormatException {
        // Excel will quote color strings, strip all quotes
        string = string.replace("\"", "").replace("'", "");

        Color c = null;
        if (string.contains(",")) {
            String[] rgb = string.split(",");
            int red = Integer.parseInt(rgb[0]);
            int green = Integer.parseInt(rgb[1]);
            int blue = Integer.parseInt(rgb[2]);
            c = new Color(red, green, blue);
        } else if (string.startsWith("#")) {
            c = hexToColor(string.substring(1));
        } else {
            try {
                int intValue = Integer.parseInt(string);
                if (intValue >= 0) {
                    c = new Color(intValue);
                }
            } catch (NumberFormatException e) {
                String hexString = colorSymbols.get(string.toLowerCase());
                if (hexString != null) {
                    c = hexToColor(hexString);
                }
            }
        }
        return c;
    }

    private static Color hexToColor(String string) {
        if (string.length() == 6) {
            int red = Integer.parseInt(string.substring(0, 2), 16);
            int green = Integer.parseInt(string.substring(2, 4), 16);
            int blue = Integer.parseInt(string.substring(4, 6), 16);
            return new Color(red, green, blue);
        } else {
            return null;
        }

    }
}

Related

1. StringToColor(String name)
2. stringToColor(String s)
3. stringToColor(String s)
4. stringToColor(String s)
5. stringToColor(String s, boolean nullIfInvalid)
6. webColorCodeToJava(String value)