/* ========================================================================
* 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.]
*
* ---------------------
* ObjectRefHandler.java
* ---------------------
* (C)opyright 2003, by Thomas Morgner and Contributors.
*
* Original Author: Thomas Morgner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: ObjectRefHandler.java,v 1.3 2005/10/18 13:33:32 mungady Exp $
*
* Changes
* -------
* 29-Sep-2003 : Initial version (TM);
* 25-Nov-2003 : Updated header and Javadocs (DG);
*
*/
package org.jfree.xml.parser.coretypes;
import org.jfree.xml.parser.AbstractXmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* A SAX handler for an object reference.
*/
public class ObjectRefHandler extends AbstractXmlReadHandler {
/** The object. */
private Object object;
/** The property name. */
private String propertyName;
/**
* Creates a new handler.
*/
public ObjectRefHandler() {
super();
}
/**
* Starts parsing.
*
* @param attrs the attributes.
*
* @throws SAXException ???.
*/
protected void startParsing(final Attributes attrs) throws SAXException {
final String tagName = getTagName();
if (tagName.equals("objectRef")) {
final String sourceName = attrs.getValue("source");
if (sourceName == null) {
throw new SAXException("Source name is not defined.");
}
this.propertyName = attrs.getValue("property");
if (this.propertyName == null) {
throw new SAXException("Property name is not defined.");
}
this.object = getRootHandler().getHelperObject(sourceName);
if (this.object == null) {
throw new SAXException("Referenced object is undefined.");
}
}
}
/**
* Returns the property name.
*
* @return the property name.
*/
public String getPropertyName() {
return this.propertyName;
}
/**
* Returns the value.
*
* @return the value.
*/
public Object getObject() {
return this.object;
}
}