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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: * RenderingHintsReadHandler.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: RenderingHintsReadHandler.java,v 1.3 2005/10/18 13:33:32 mungady Exp $ 36: * 37: * Changes 38: * ------- 39: * 03-Dec-2003 : Initial version 40: * 11-Feb-2004 : Added missing Javadocs (DG); 41: * 42: */ 43: 44: package org.jfree.xml.parser.coretypes; 45: 46: import java.awt.RenderingHints; 47: import java.util.ArrayList; 48: 49: import org.jfree.xml.parser.AbstractXmlReadHandler; 50: import org.jfree.xml.parser.XmlReadHandler; 51: import org.jfree.xml.parser.XmlReaderException; 52: import org.xml.sax.Attributes; 53: import org.xml.sax.SAXException; 54: 55: /** 56: * A read handler that can parse the XML element for a {@link RenderingHints} collection. 57: */ 58: public class RenderingHintsReadHandler extends AbstractXmlReadHandler { 59: 60: /** The subhandlers. */ 61: private ArrayList handlers; 62: 63: /** The rendering hints under construction. */ 64: private RenderingHints renderingHints; 65: 66: /** 67: * Creates a new read handler. 68: */ 69: public RenderingHintsReadHandler() { 70: super(); 71: } 72: 73: /** 74: * Starts parsing. 75: * 76: * @param attrs the attributes. 77: * 78: * @throws SAXException never. 79: */ 80: protected void startParsing(final Attributes attrs) throws SAXException { 81: this.handlers = new ArrayList(); 82: } 83: 84: /** 85: * Returns the handler for a child element. 86: * 87: * @param tagName the tag name. 88: * @param atts the attributes. 89: * 90: * @return the handler. 91: * 92: * @throws SAXException if there is a parsing error. 93: * @throws XmlReaderException if there is a reader error. 94: */ 95: protected XmlReadHandler getHandlerForChild(final String tagName, final Attributes atts) 96: throws XmlReaderException, SAXException { 97: 98: if (!tagName.equals("entry")) { 99: throw new SAXException("Expected 'entry' tag."); 100: } 101: 102: final XmlReadHandler handler = new RenderingHintValueReadHandler(); 103: this.handlers.add(handler); 104: return handler; 105: } 106: 107: /** 108: * Done parsing. 109: * 110: * @throws SAXException if there is a parsing error. 111: * @throws XmlReaderException if there is a reader error. 112: */ 113: protected void doneParsing() throws SAXException, XmlReaderException { 114: this.renderingHints = new RenderingHints(null); 115: 116: for (int i = 0; i < this.handlers.size(); i++) { 117: final RenderingHintValueReadHandler rh = 118: (RenderingHintValueReadHandler) this.handlers.get(i); 119: this.renderingHints.put(rh.getKey(), rh.getValue()); 120: } 121: } 122: 123: /** 124: * Returns the object for this element. 125: * 126: * @return the object. 127: * 128: * @throws XmlReaderException if there is a parsing error. 129: */ 130: public Object getObject() throws XmlReaderException { 131: return this.renderingHints; 132: } 133: }