Source for org.jfree.report.modules.factories.report.flow.ParameterMappingReadHandler

   1: /**
   2:  * ========================================
   3:  * JFreeReport : a free Java report library
   4:  * ========================================
   5:  *
   6:  * Project Info:  http://reporting.pentaho.org/
   7:  *
   8:  * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
   9:  *
  10:  * This library is free software; you can redistribute it and/or modify it under the terms
  11:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
  12:  * either version 2.1 of the License, or (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  15:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16:  * See the GNU Lesser General Public License for more details.
  17:  *
  18:  * You should have received a copy of the GNU Lesser General Public License along with this
  19:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20:  * Boston, MA 02111-1307, USA.
  21:  *
  22:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
  23:  * in the United States and other countries.]
  24:  *
  25:  * ------------
  26:  * $Id: ParameterMappingReadHandler.java 2725 2007-04-01 18:49:29Z taqua $
  27:  * ------------
  28:  * (C) Copyright 2000-2005, by Object Refinery Limited.
  29:  * (C) Copyright 2005-2007, by Pentaho Corporation.
  30:  */
  31: package org.jfree.report.modules.factories.report.flow;
  32: 
  33: import org.jfree.xmlns.parser.AbstractXmlReadHandler;
  34: import org.jfree.xmlns.parser.ParseException;
  35: import org.xml.sax.Attributes;
  36: import org.xml.sax.SAXException;
  37: 
  38: /**
  39:  * Creation-Date: 09.04.2006, 15:59:27
  40:  *
  41:  * @author Thomas Morgner
  42:  */
  43: public class ParameterMappingReadHandler extends AbstractXmlReadHandler
  44: {
  45:   private String name;
  46:   private String alias;
  47: 
  48:   public ParameterMappingReadHandler()
  49:   {
  50:   }
  51: 
  52:   /**
  53:    * Starts parsing.
  54:    *
  55:    * @param attrs the attributes.
  56:    * @throws SAXException if there is a parsing error.
  57:    */
  58:   protected void startParsing(final Attributes attrs) throws SAXException
  59:   {
  60:     name = attrs.getValue(getUri(), "name");
  61:     if (name == null)
  62:     {
  63:       throw new ParseException
  64:           ("Required attribute 'name' is missing.", getLocator());
  65:     }
  66:     alias = attrs.getValue(getUri(), "alias");
  67:     if (alias == null)
  68:     {
  69:       alias = name;
  70:     }
  71:   }
  72: 
  73:   public String getName()
  74:   {
  75:     return name;
  76:   }
  77: 
  78:   public String getAlias()
  79:   {
  80:     return alias;
  81:   }
  82: 
  83:   /**
  84:    * Returns the object for this element or null, if this element does not
  85:    * create an object.
  86:    *
  87:    * @return the object.
  88:    * @throws SAXException if there is a parsing error.
  89:    */
  90:   public Object getObject() throws SAXException
  91:   {
  92:     return getName();
  93:   }
  94: }