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1: /* ======================================================================== 2: * JCommon : a free general purpose class library for the Java(tm) platform 3: * ======================================================================== 4: * 5: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jcommon/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * --------------------------- 28: * ColorObjectDescription.java 29: * --------------------------- 30: * (C)opyright 2003, 2004, by Thomas Morgner and Contributors. 31: * 32: * Original Author: Thomas Morgner; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: ColorObjectDescription.java,v 1.4 2005/11/14 11:01:17 mungady Exp $ 36: * 37: * Changes (from 19-Feb-2003) 38: * ------------------------- 39: * 19-Feb-2003 : Added standard header and Javadocs (DG); 40: * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon 41: */ 42: 43: package org.jfree.xml.factory.objects; 44: 45: import java.awt.Color; 46: 47: import org.jfree.util.PaintUtilities; 48: 49: /** 50: * An object-description for a <code>Color</code> object. 51: * 52: * @author Thomas Morgner 53: */ 54: public class ColorObjectDescription extends AbstractObjectDescription { 55: 56: /** 57: * Creates a new object description. 58: */ 59: public ColorObjectDescription() { 60: super(Color.class); 61: setParameterDefinition("value", String.class); 62: } 63: 64: /** 65: * Creates an object based on this description. 66: * 67: * @return The object. 68: */ 69: public Object createObject() { 70: final String value = (String) getParameter("value"); 71: return PaintUtilities.stringToColor(value); 72: } 73: 74: /** 75: * Sets the parameters of this description object to match the supplied object. 76: * 77: * @param o the object (should be an instance of <code>Color</code>). 78: * 79: * @throws ObjectFactoryException if there is a problem while reading the 80: * properties of the given object. 81: */ 82: public void setParameterFromObject(final Object o) throws ObjectFactoryException { 83: if (!(o instanceof Color)) { 84: throw new ObjectFactoryException("Is no instance of java.awt.Color"); 85: } 86: final Color c = (Color) o; 87: setParameter("value", PaintUtilities.colorToString(c)); 88: } 89: }