001    /**
002     * ========================================
003     * JFreeReport : a free Java report library
004     * ========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/
007     *
008     * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: StyleExpressionReadHandler.java 3048 2007-07-28 18:02:42Z tmorgner $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    package org.jfree.report.modules.factories.report.flow;
032    
033    import org.xml.sax.Attributes;
034    import org.xml.sax.SAXException;
035    import org.jfree.xmlns.parser.ParseException;
036    
037    /**
038     * Creation-Date: 09.04.2006, 13:40:08
039     *
040     * @author Thomas Morgner
041     */
042    public class StyleExpressionReadHandler extends AbstractExpressionReadHandler
043    {
044      private String styleKey;
045    
046      public StyleExpressionReadHandler()
047      {
048      }
049    
050      /**
051       * Starts parsing.
052       *
053       * @param attrs the attributes.
054       * @throws org.xml.sax.SAXException if there is a parsing error.
055       */
056      protected void startParsing(final Attributes attrs) throws SAXException
057      {
058        final String styleKey = attrs.getValue
059            (FlowReportFactoryModule.NAMESPACE, "style-key");
060        if (styleKey == null)
061        {
062          throw new ParseException
063              ("Required attribute stylekey is missing.", getLocator());
064        }
065        this.styleKey = styleKey;
066        super.startParsing(attrs);
067      }
068    
069      public String getStyleKey()
070      {
071        return styleKey;
072      }
073    
074    }