/*
* 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 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.elements;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.GroupBody;
import org.pentaho.reporting.engine.classic.core.SubGroupBody;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class SubGroupBodyReadHandler extends AbstractElementReadHandler implements GroupBodyReadHandler
{
private RelationalGroupReadHandler groupReadHandler;
private CrosstabGroupReadHandler crosstabGroupReadHandler;
public SubGroupBodyReadHandler()
throws ParseException
{
super("sub-group-body");
}
protected Element createElement(final String elementType)
{
return new SubGroupBody();
}
public GroupBody getGroupBody()
{
return (GroupBody) getElement();
}
/**
* Returns the handler for a child element.
*
* @param uri the URI of the namespace of the current element.
* @param tagName the tag name.
* @param atts the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild(final String uri,
final String tagName,
final Attributes atts) throws SAXException
{
if (isSameNamespace(uri))
{
if ("group".equals(tagName))
{
// Handle the subgroup
groupReadHandler = new RelationalGroupReadHandler();
return groupReadHandler;
}
if ("crosstab".equals(tagName))
{
// Handle the subgroup
crosstabGroupReadHandler = new CrosstabGroupReadHandler();
return crosstabGroupReadHandler;
}
}
return super.getHandlerForChild(uri, tagName, atts);
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
super.doneParsing();
final SubGroupBody body = (SubGroupBody) getElement();
if (groupReadHandler != null)
{
body.setGroup(groupReadHandler.getGroup());
}
else if (crosstabGroupReadHandler != null)
{
body.setGroup(crosstabGroupReadHandler.getGroup());
}
else
{
throw new ParseException("Madatory element 'group' or 'crosstab' was not found.");
}
}
}