001 /* ======================================================================== 002 * JCommon : a free general purpose class library for the Java(tm) platform 003 * ======================================================================== 004 * 005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 006 * 007 * Project Info: http://www.jfree.org/jcommon/index.html 008 * 009 * This library is free software; you can redistribute it and/or modify it 010 * under the terms of the GNU Lesser General Public License as published by 011 * the Free Software Foundation; either version 2.1 of the License, or 012 * (at your option) any later version. 013 * 014 * This library is distributed in the hope that it will be useful, but 015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 017 * License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this library; if not, write to the Free Software 021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 022 * USA. 023 * 024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 025 * in the United States and other countries.] 026 * 027 * ------------------------------ 028 * RenderingHintsReadHandler.java 029 * ------------------------------ 030 * (C)opyright 2003, 2004, by Thomas Morgner and Contributors. 031 * 032 * Original Author: Thomas Morgner; 033 * Contributor(s): David Gilbert (for Object Refinery Limited); 034 * 035 * $Id: RenderingHintsReadHandler.java,v 1.3 2005/10/18 13:33:32 mungady Exp $ 036 * 037 * Changes 038 * ------- 039 * 03-Dec-2003 : Initial version 040 * 11-Feb-2004 : Added missing Javadocs (DG); 041 * 042 */ 043 044 package org.jfree.xml.parser.coretypes; 045 046 import java.awt.RenderingHints; 047 import java.util.ArrayList; 048 049 import org.jfree.xml.parser.AbstractXmlReadHandler; 050 import org.jfree.xml.parser.XmlReadHandler; 051 import org.jfree.xml.parser.XmlReaderException; 052 import org.xml.sax.Attributes; 053 import org.xml.sax.SAXException; 054 055 /** 056 * A read handler that can parse the XML element for a {@link RenderingHints} collection. 057 */ 058 public class RenderingHintsReadHandler extends AbstractXmlReadHandler { 059 060 /** The subhandlers. */ 061 private ArrayList handlers; 062 063 /** The rendering hints under construction. */ 064 private RenderingHints renderingHints; 065 066 /** 067 * Creates a new read handler. 068 */ 069 public RenderingHintsReadHandler() { 070 super(); 071 } 072 073 /** 074 * Starts parsing. 075 * 076 * @param attrs the attributes. 077 * 078 * @throws SAXException never. 079 */ 080 protected void startParsing(final Attributes attrs) throws SAXException { 081 this.handlers = new ArrayList(); 082 } 083 084 /** 085 * Returns the handler for a child element. 086 * 087 * @param tagName the tag name. 088 * @param atts the attributes. 089 * 090 * @return the handler. 091 * 092 * @throws SAXException if there is a parsing error. 093 * @throws XmlReaderException if there is a reader error. 094 */ 095 protected XmlReadHandler getHandlerForChild(final String tagName, final Attributes atts) 096 throws XmlReaderException, SAXException { 097 098 if (!tagName.equals("entry")) { 099 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 }