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.]
   * 
   * ------------------------------
   * RenderingHintsReadHandler.java
   * ------------------------------
   * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
   *
   * Original Author:  Thomas Morgner;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * $Id: RenderingHintsReadHandler.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.util.ArrayList;
  
  import org.jfree.xml.parser.AbstractXmlReadHandler;
  import org.jfree.xml.parser.XmlReadHandler;
  import org.jfree.xml.parser.XmlReaderException;
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  
  /**
   * A read handler that can parse the XML element for a {@link RenderingHints} collection.
   */
  public class RenderingHintsReadHandler extends AbstractXmlReadHandler {
  
      /** The subhandlers. */
      private ArrayList handlers;
      
      /** The rendering hints under construction. */
      private RenderingHints renderingHints;
  
      /**
       * Creates a new read handler.
       */
      public RenderingHintsReadHandler() {
          super();
      }
  
      /**
       * Starts parsing.
       *
       * @param attrs  the attributes.
       *
       * @throws SAXException never.
       */
      protected void startParsing(final Attributes attrs) throws SAXException {
          this.handlers = new ArrayList();
      }
  
      /**
       * Returns the handler for a child element.
       *
       * @param tagName  the tag name.
       * @param atts  the attributes.
       *
       * @return the handler.
       *
       * @throws SAXException  if there is a parsing error.
       * @throws XmlReaderException if there is a reader error.
       */
      protected XmlReadHandler getHandlerForChild(final String tagName, final Attributes atts)
          throws XmlReaderException, SAXException {
  
          if (!tagName.equals("entry")) {
              throw new SAXException("Expected 'entry' tag.");
          }
  
          final XmlReadHandler handler = new RenderingHintValueReadHandler();
          this.handlers.add(handler);
          return handler;
      }
  
      /**
       * Done parsing.
       *
       * @throws SAXException if there is a parsing error.
       * @throws XmlReaderException if there is a reader error.
       */
      protected void doneParsing() throws SAXException, XmlReaderException {
          this.renderingHints = new RenderingHints(null);
  
          for (int i = 0; i < this.handlers.size(); i++) {
              final RenderingHintValueReadHandler rh =
                  (RenderingHintValueReadHandler) this.handlers.get(i);
              this.renderingHints.put(rh.getKey(), rh.getValue());
          }
      }
  
      /**
       * Returns the object for this element.
       *
       * @return the object.
       *
       * @throws XmlReaderException if there is a parsing error.
       */
      public Object getObject() throws XmlReaderException {
          return this.renderingHints;
      }
  }
  