/*
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program 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.
 *
 * Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors..  All rights reserved.
 */

package org.pentaho.reporting.engine.classic.core.modules.parser.base.common;

import org.pentaho.reporting.engine.classic.core.modules.parser.base.PropertyAttributes;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.xml.sax.SAXException;

/**
 * Creation-Date: Jan 9, 2007, 6:01:15 PM
 *
 * @author Thomas Morgner
 */
public class ParameterMappingReadHandler extends AbstractPropertyXmlReadHandler {
  private String name;
  private String alias;

  public ParameterMappingReadHandler() {
  }

  protected void startParsing( final PropertyAttributes attrs ) throws SAXException {
    name = attrs.getValue( getUri(), "name" );
    if ( name == null ) {
      throw new ParseException( "Required attribute 'name' is missing.", getLocator() );
    }
    alias = attrs.getValue( getUri(), "alias" );
    if ( alias == null ) {
      alias = name;
    }
  }

  public String getName() {
    return name;
  }

  public String getAlias() {
    return alias;
  }

  /**
   * Returns the object for this element or null, if this element does not create an object.
   *
   * @return the object.
   * @throws SAXException
   *           if there is a parsing error.
   */
  public Object getObject() throws SAXException {
    return getName();
  }
}