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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: * ColorReadHandler 29: * ---------------- 30: * (C) Copyright 2003, by Thomas Morgner and Contributors. 31: * 32: * Original Author: Thomas Morgner; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: ColorReadHandler.java,v 1.2 2005/10/18 13:33:32 mungady Exp $ 36: * 37: * Changes (from 25-Nov-2003) 38: * -------------------------- 39: * 25-Nov-2003 : Added standard header and Javadocs (DG); 40: * 41: */ 42: 43: package org.jfree.xml.parser.coretypes; 44: 45: import java.awt.Color; 46: 47: import org.jfree.xml.parser.AbstractXmlReadHandler; 48: import org.xml.sax.Attributes; 49: import org.xml.sax.SAXException; 50: 51: /** 52: * A SAX handler for reading {@link Color} objects from an XML element. 53: */ 54: public class ColorReadHandler extends AbstractXmlReadHandler { 55: 56: /** The color under construction. */ 57: private Color color; 58: 59: /** 60: * Creates a new handler. 61: */ 62: public ColorReadHandler() { 63: super(); 64: } 65: 66: /** 67: * Called at the start of parsing a {@link Color} element, this method reads the attributes and 68: * constructs the {@link Color}. 69: * 70: * @param attrs the attributes. 71: * 72: * @throws SAXException to indicate a parsing error. 73: */ 74: protected void startParsing(final Attributes attrs) throws SAXException { 75: final String encodedValue = attrs.getValue("value"); 76: this.color = Color.decode(encodedValue); 77: if (attrs.getValue("alpha") != null) { 78: this.color = new Color(this.color.getRed(), this.color.getGreen(), 79: this.color.getBlue(), 80: Integer.parseInt(attrs.getValue("alpha"))); 81: } 82: } 83: 84: /** 85: * Returns the color under construction. 86: * 87: * @return the color. 88: */ 89: public Object getObject() { 90: return this.color; 91: } 92: 93: }