cewolf: java/cewolf-1.0/src/main/java/de/laures/cewolf/taglib/util/ColorHelper.java@639991d0808a

     1 /* ================================================================

     2  * Cewolf : Chart enabling Web Objects Framework

     3  * ================================================================

     4  *

     5  * Project Info:  http://cewolf.sourceforge.net

     6  * Project Lead:  Guido Laures (guido@laures.de);

     7  *

     8  * (C) Copyright 2002, by Guido Laures

     9  *

    10  * This library is free software; you can redistribute it and/or modify it under the terms

    11  * of the GNU Lesser General Public License as published by the Free Software Foundation;

    12  * either version 2.1 of the License, or (at your option) any later version.

    13  *

    14  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

    15  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

    16  * See the GNU Lesser General Public License for more details.

    17  *

    18  * You should have received a copy of the GNU Lesser General Public License along with this

    19  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

    20  * Boston, MA 02111-1307, USA.

    21  */

    23 package de.laures.cewolf.taglib.util;

    25 import java.awt.Color;

    28 /** @author  Guido Laures */

    29 public class ColorHelper {

    31     private ColorHelper() {

    32     }

    34     public static final Color getColor(String hexString) {

    35         try {

    36              if (hexString == null || hexString.length() < 7) {

    37                 return Color.black;

    38             }

    39             final int red = Integer.parseInt(hexString.substring(1, 3), 16);

    40             final int green = Integer.parseInt(hexString.substring(3, 5), 16);

    41             final int blue = Integer.parseInt(hexString.substring(5, 7), 16);

    42             int alpha = 0;

    43             if (hexString.length() > 8) {

    44                 alpha = Integer.parseInt(hexString.substring(7, 9), 16);

    45             }

    46             if (alpha > 0) {

    47                 return new Color(red, green, blue, alpha);

    48             } else {

    49                 return new Color(red, green, blue);

    50             }

    51         } catch (NumberFormatException nfe) {

    52             return Color.black;

    53         }

    54     }

    56 }

author	František Kučera <franta-hg@frantovo.cz>
	Sat, 28 Feb 2009 21:31:02 +0100
changeset 1	639991d0808a
permissions	-rw-r--r--