/*
* 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.bundle.layout.elements;
import java.util.Arrays;
import org.pentaho.reporting.engine.classic.core.RelationalGroup;
import org.pentaho.reporting.engine.classic.core.filter.types.bands.RelationalGroupType;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.BundleNamespaces;
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;
public class RelationalGroupReadHandler extends AbstractElementReadHandler
{
private GroupHeaderReadHandler headerReadHandler;
private GroupFooterReadHandler footerReadHandler;
private GroupFieldsReadHandler fieldsReadHandler;
private DataGroupBodyReadHandler dataBodyReadHandler;
private SubGroupBodyReadHandler subGroupBodyReadHandler;
public RelationalGroupReadHandler()
throws ParseException
{
super(RelationalGroupType.INSTANCE);
}
/**
* 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 (BundleNamespaces.LAYOUT.equals(uri))
{
if ("group-header".equals(tagName))
{
if (headerReadHandler == null)
{
headerReadHandler = new GroupHeaderReadHandler();
}
return headerReadHandler;
}
if ("group-footer".equals(tagName))
{
if (footerReadHandler == null)
{
footerReadHandler = new GroupFooterReadHandler();
}
return footerReadHandler;
}
if ("fields".equals(tagName))
{
if (fieldsReadHandler == null)
{
fieldsReadHandler = new GroupFieldsReadHandler();
}
return fieldsReadHandler;
}
if ("group-body".equals(tagName))
{
subGroupBodyReadHandler = new SubGroupBodyReadHandler();
return subGroupBodyReadHandler;
}
if ("data-body".equals(tagName))
{
dataBodyReadHandler = new DataGroupBodyReadHandler();
return dataBodyReadHandler;
}
}
return super.getHandlerForChild(uri, tagName, atts);
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
super.doneParsing();
final RelationalGroup group = getElement();
if (fieldsReadHandler != null)
{
final String[] fields = fieldsReadHandler.getFields();
group.setFields(Arrays.asList(fields));
}
if (headerReadHandler != null)
{
group.setHeader(headerReadHandler.getElement());
}
if (footerReadHandler != null)
{
group.setFooter(footerReadHandler.getElement());
}
if (subGroupBodyReadHandler != null)
{
group.setBody(subGroupBodyReadHandler.getElement());
}
else if (dataBodyReadHandler != null)
{
group.setBody(dataBodyReadHandler.getElement());
}
}
public RelationalGroup getElement()
{
return (RelationalGroup) super.getElement();
}
}