content: /* ========================================================================
   * 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);
      }
      
  }
  