/* ========================================================================
* 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.]
*
* ----------------------
* Base64ReadHandler.java
* ----------------------
* (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
*
* Original Author: Thomas Morgner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: Base64ReadHandler.java,v 1.4 2005/11/08 14:16:51 mungady Exp $
*
* Changes
* -------
* 11-Feb-2004 : Added standard header and Javadocs (DG);
*
*/
package org.jfree.xml.parser;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import org.jfree.xml.util.Base64;
import org.xml.sax.SAXException;
/**
* A read handler for Base64 encoded elements.
*
* @deprecated base64 encoded elements are no longer supported ...
*/
public class Base64ReadHandler extends AbstractXmlReadHandler {
/** The encoded object. */
private String encodedObject;
/**
* Creates a new handler.
*/
public Base64ReadHandler() {
super();
}
/**
* Process character data.
*
* @param ch the character buffer.
* @param start the start index.
* @param length the number of characters.
*
* @throws SAXException ???.
*/
public void characters(final char[] ch, final int start, final int length)
throws SAXException {
this.encodedObject = new String(ch, start, length);
}
/**
* Returns the object under construction.
*
* @return the object
*
* @throws XmlReaderException ???.
*/
public Object getObject() throws XmlReaderException {
try {
final byte[] bytes = Base64.decode(this.encodedObject.toCharArray());
final ObjectInputStream in =
new ObjectInputStream(new ByteArrayInputStream(bytes));
return in.readObject();
}
catch (IOException e) {
throw new XmlReaderException("Can't read class for <" + getTagName() + ">", e);
}
catch (ClassNotFoundException e) {
throw new XmlReaderException("Class not found for <" + getTagName() + ">", e);
}
}
}