/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------------------------
* RenderingHintValueReadHandler.java
* ----------------------------------
* (C)opyright 2003, by Thomas Morgner and Contributors.
*
* Original Author: Thomas Morgner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: RenderingHintValueReadHandler.java,v 1.3 2005/10/18 13:33:32 mungady Exp $
*
* Changes
* -------
* 03-Dec-2003 : Initial version
* 11-Feb-2004 : Added missing Javadocs (DG);
*
*/
package org.jfree.xml.parser.coretypes;
import java.awt.RenderingHints;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import org.jfree.util.Log;
import org.jfree.xml.parser.AbstractXmlReadHandler;
import org.jfree.xml.parser.XmlReaderException;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* A read handler for a rendering hint value.
*/
public class RenderingHintValueReadHandler extends AbstractXmlReadHandler {
/** The key under construction. */
private Object key;
/** The value under construction. */
private Object value;
/**
* Creates a new read handler.
*/
public RenderingHintValueReadHandler() {
super();
}
/**
* Starts parsing.
*
* @param attrs the attributes.
*
* @throws SAXException if there is a parsing error.
*/
protected void startParsing(final Attributes attrs) throws SAXException {
final String keyText = attrs.getValue("key");
final String valueText = attrs.getValue("value");
this.key = stringToHintField(keyText);
this.value = stringToHintField(valueText);
}
private Object stringToHintField (final String name) {
final Field[] fields = RenderingHints.class.getFields();
for (int i = 0; i < fields.length; i++) {
final Field f = fields[i];
if (Modifier.isFinal(f.getModifiers())
&& Modifier.isPublic(f.getModifiers())
&& Modifier.isStatic(f.getModifiers())) {
try {
final String fieldName = f.getName();
if (fieldName.equals(name)) {
return f.get(null);
}
}
catch (Exception e) {
Log.info ("Unable to write RenderingHint", e);
}
}
}
throw new IllegalArgumentException("Invalid value given");
}
/**
* Returns the object for this element.
*
* @return the object.
*
* @throws XmlReaderException if there is a parsing error.
*/
public Object getObject() throws XmlReaderException {
return new Object[] {this.key, this.value};
}
/**
* Returns the key.
*
* @return the key.
*/
public Object getKey() {
return this.key;
}
/**
* Returns the value.
*
* @return the value.
*/
public Object getValue() {
return this.value;
}
}