/*
* 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 java.util.ArrayList;
import org.pentaho.reporting.engine.classic.core.AbstractRootLevelBand;
import org.pentaho.reporting.engine.classic.core.SubReport;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.BandedRootElementReadHandlerFactory;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.ElementReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
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 AbstractRootLevelBandReadHandler extends AbstractXmlReadHandler
{
private RootLevelContentReadHandler contentReadHandler;
private ArrayList subReportReadHandler;
private AbstractRootLevelBand element;
public AbstractRootLevelBandReadHandler(final String elementType) throws ParseException
{
this.subReportReadHandler = new ArrayList();
this.contentReadHandler = new RootLevelContentReadHandler(elementType);
}
/**
* 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 ("root-level-content".equals(tagName))
{
return contentReadHandler;
}
else
{
final ElementReadHandler readHandler =
(ElementReadHandler) BandedRootElementReadHandlerFactory.getInstance().getHandler(uri, tagName);
if (readHandler != null)
{
this.subReportReadHandler.add(readHandler);
}
return readHandler;
}
}
return null;
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
element = (AbstractRootLevelBand) contentReadHandler.getElement();
for (int i = 0; i < subReportReadHandler.size(); i++)
{
final ElementReadHandler handler = (ElementReadHandler) subReportReadHandler.get(i);
final Object o = handler.getObject();
if (o instanceof SubReport)
{
element.addSubReport((SubReport) o);
}
}
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws SAXException if an parser error occured.
*/
public Object getObject() throws SAXException
{
return element;
}
public AbstractRootLevelBand getElement()
{
return element;
}
}