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: ParameterMappingReadHandler.java 2725 2007-04-01 18:49:29Z taqua $
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.jfree.xmlns.parser.AbstractXmlReadHandler;
034    import org.jfree.xmlns.parser.ParseException;
035    import org.xml.sax.Attributes;
036    import org.xml.sax.SAXException;
037    
038    /**
039     * Creation-Date: 09.04.2006, 15:59:27
040     *
041     * @author Thomas Morgner
042     */
043    public class ParameterMappingReadHandler extends AbstractXmlReadHandler
044    {
045      private String name;
046      private String alias;
047    
048      public ParameterMappingReadHandler()
049      {
050      }
051    
052      /**
053       * Starts parsing.
054       *
055       * @param attrs the attributes.
056       * @throws SAXException if there is a parsing error.
057       */
058      protected void startParsing(final Attributes attrs) throws SAXException
059      {
060        name = attrs.getValue(getUri(), "name");
061        if (name == null)
062        {
063          throw new ParseException
064              ("Required attribute 'name' is missing.", getLocator());
065        }
066        alias = attrs.getValue(getUri(), "alias");
067        if (alias == null)
068        {
069          alias = name;
070        }
071      }
072    
073      public String getName()
074      {
075        return name;
076      }
077    
078      public String getAlias()
079      {
080        return alias;
081      }
082    
083      /**
084       * Returns the object for this element or null, if this element does not
085       * create an object.
086       *
087       * @return the object.
088       * @throws SAXException if there is a parsing error.
089       */
090      public Object getObject() throws SAXException
091      {
092        return getName();
093      }
094    }