/* ========================================================================
* 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.]
*
* ---------------------
* ListWriteHandler.java
* ---------------------
* (C)opyright 2003-2005, by Thomas Morgner and Contributors.
*
* Original Author: Thomas Morgner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: ListWriteHandler.java,v 1.4 2005/10/18 13:35:21 mungady Exp $
*
* Changes
* -------
* 22-Nov-2003 : Initial version
*
*/
package org.jfree.xml.writer.coretypes;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.jfree.xml.writer.AbstractXmlWriteHandler;
import org.jfree.xml.writer.XMLWriter;
import org.jfree.xml.writer.XMLWriterException;
import org.jfree.xml.writer.XMLWriterSupport;
/**
* A handler for writing a {@link List} object.
*/
public class ListWriteHandler extends AbstractXmlWriteHandler {
/**
* Performs the writing of a {@link List} object.
*
* @param tagName the tag name.
* @param object the {@link List} object.
* @param writer the writer.
* @param mPlexAttribute ??.
* @param mPlexValue ??.
*
* @throws IOException if there is an I/O error.
* @throws XMLWriterException if there is a writer error.
*/
public void write(final String tagName, final Object object, final XMLWriter writer,
final String mPlexAttribute, final String mPlexValue)
throws IOException, XMLWriterException {
writer.writeTag(tagName, mPlexAttribute, mPlexValue, XMLWriterSupport.OPEN);
final List list = (List) object;
final Iterator it = list.iterator();
while (it.hasNext()) {
final Object value = it.next();
if (value == null) {
writer.writeTag("null", XMLWriterSupport.CLOSE);
}
else {
getRootHandler().write("object", value, Object.class, writer);
}
}
writer.writeCloseTag(tagName);
}
}