franta-hg@1: /* ================================================================ franta-hg@1: * Cewolf : Chart enabling Web Objects Framework franta-hg@1: * ================================================================ franta-hg@1: * franta-hg@1: * Project Info: http://cewolf.sourceforge.net franta-hg@1: * Project Lead: Guido Laures (guido@laures.de); franta-hg@1: * franta-hg@1: * (C) Copyright 2002, by Guido Laures franta-hg@1: * franta-hg@1: * This library is free software; you can redistribute it and/or modify it under the terms franta-hg@1: * of the GNU Lesser General Public License as published by the Free Software Foundation; franta-hg@1: * either version 2.1 of the License, or (at your option) any later version. franta-hg@1: * franta-hg@1: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; franta-hg@1: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. franta-hg@1: * See the GNU Lesser General Public License for more details. franta-hg@1: * franta-hg@1: * You should have received a copy of the GNU Lesser General Public License along with this franta-hg@1: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, franta-hg@1: * Boston, MA 02111-1307, USA. franta-hg@1: */ franta-hg@1: franta-hg@1: package de.laures.cewolf.taglib.util; franta-hg@1: franta-hg@1: import java.awt.Color; franta-hg@1: franta-hg@1: franta-hg@1: /** @author Guido Laures */ franta-hg@1: public class ColorHelper { franta-hg@1: franta-hg@1: private ColorHelper() { franta-hg@1: } franta-hg@1: franta-hg@1: public static final Color getColor(String hexString) { franta-hg@1: try { franta-hg@1: if (hexString == null || hexString.length() < 7) { franta-hg@1: return Color.black; franta-hg@1: } franta-hg@1: final int red = Integer.parseInt(hexString.substring(1, 3), 16); franta-hg@1: final int green = Integer.parseInt(hexString.substring(3, 5), 16); franta-hg@1: final int blue = Integer.parseInt(hexString.substring(5, 7), 16); franta-hg@1: int alpha = 0; franta-hg@1: if (hexString.length() > 8) { franta-hg@1: alpha = Integer.parseInt(hexString.substring(7, 9), 16); franta-hg@1: } franta-hg@1: if (alpha > 0) { franta-hg@1: return new Color(red, green, blue, alpha); franta-hg@1: } else { franta-hg@1: return new Color(red, green, blue); franta-hg@1: } franta-hg@1: } catch (NumberFormatException nfe) { franta-hg@1: return Color.black; franta-hg@1: } franta-hg@1: } franta-hg@1: franta-hg@1: }