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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: * RenderingHintValueReadHandler.java 29: * ---------------------------------- 30: * (C)opyright 2003, by Thomas Morgner and Contributors. 31: * 32: * Original Author: Thomas Morgner; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: RenderingHintValueReadHandler.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.lang.reflect.Field; 48: import java.lang.reflect.Modifier; 49: 50: import org.jfree.util.Log; 51: import org.jfree.xml.parser.AbstractXmlReadHandler; 52: import org.jfree.xml.parser.XmlReaderException; 53: import org.xml.sax.Attributes; 54: import org.xml.sax.SAXException; 55: 56: /** 57: * A read handler for a rendering hint value. 58: */ 59: public class RenderingHintValueReadHandler extends AbstractXmlReadHandler { 60: 61: /** The key under construction. */ 62: private Object key; 63: 64: /** The value under construction. */ 65: private Object value; 66: 67: /** 68: * Creates a new read handler. 69: */ 70: public RenderingHintValueReadHandler() { 71: super(); 72: } 73: 74: /** 75: * Starts parsing. 76: * 77: * @param attrs the attributes. 78: * 79: * @throws SAXException if there is a parsing error. 80: */ 81: protected void startParsing(final Attributes attrs) throws SAXException { 82: final String keyText = attrs.getValue("key"); 83: final String valueText = attrs.getValue("value"); 84: this.key = stringToHintField(keyText); 85: this.value = stringToHintField(valueText); 86: } 87: 88: private Object stringToHintField (final String name) { 89: final Field[] fields = RenderingHints.class.getFields(); 90: for (int i = 0; i < fields.length; i++) { 91: final Field f = fields[i]; 92: if (Modifier.isFinal(f.getModifiers()) 93: && Modifier.isPublic(f.getModifiers()) 94: && Modifier.isStatic(f.getModifiers())) { 95: try { 96: final String fieldName = f.getName(); 97: if (fieldName.equals(name)) { 98: return f.get(null); 99: } 100: } 101: catch (Exception e) { 102: Log.info ("Unable to write RenderingHint", e); 103: } 104: } 105: } 106: throw new IllegalArgumentException("Invalid value given"); 107: } 108: 109: /** 110: * Returns the object for this element. 111: * 112: * @return the object. 113: * 114: * @throws XmlReaderException if there is a parsing error. 115: */ 116: public Object getObject() throws XmlReaderException { 117: return new Object[] {this.key, this.value}; 118: } 119: 120: /** 121: * Returns the key. 122: * 123: * @return the key. 124: */ 125: public Object getKey() { 126: return this.key; 127: } 128: 129: /** 130: * Returns the value. 131: * 132: * @return the value. 133: */ 134: public Object getValue() { 135: return this.value; 136: } 137: 138: }