/*
* 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 java.util.Map;
import org.pentaho.reporting.engine.classic.core.SubReport;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PropertyAttributes;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.ReportParserUtil;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.SubReportReadHandler;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.SubReportReadHandlerFactory;
import org.pentaho.reporting.libraries.resourceloader.FactoryParameterKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.RootXmlReadHandler;
import org.xml.sax.SAXException;
/**
* Creation-Date: Dec 18, 2006, 2:34:05 PM
*
* @author Thomas Morgner
*/
public class IncludeSubReportReadHandler extends AbstractPropertyXmlReadHandler
{
private SubReport report;
private Object oldReport;
private SubReportReadHandler subReportReadHandler;
public IncludeSubReportReadHandler()
{
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void startParsing(final PropertyAttributes attrs) throws SAXException
{
final String file = attrs.getValue(getUri(), "href");
if (file != null)
{
final Map parameters = deriveParseParameters();
parameters.remove(new FactoryParameterKey(ReportParserUtil.HELPER_OBJ_REPORT_NAME));
parameters.put(new FactoryParameterKey
(ReportParserUtil.INCLUDE_PARSING_KEY), ReportParserUtil.INCLUDE_PARSING_VALUE);
try
{
report = (SubReport) performExternalParsing(file, SubReport.class, parameters);
}
catch (ResourceLoadingException e)
{
throw new ParseException("The specified subreport was not found or could not be loaded.", e, getLocator());
}
}
else
{
report = new SubReport();
}
final String query = attrs.getValue(getUri(), "query");
if (query != null)
{
report.setQuery(query);
}
final String name = attrs.getValue(getUri(), "name");
if (name != null)
{
report.setName(name);
}
final SubReportReadHandlerFactory factory = SubReportReadHandlerFactory.getInstance();
final SubReportReadHandler handler = factory.getHandler(getUri(), getTagName());
if (handler != null)
{
handler.setDisableRootTagWarning(true);
final RootXmlReadHandler rootHandler = getRootHandler();
oldReport = rootHandler.getHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME);
rootHandler.setHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME, report);
rootHandler.delegate(handler, getUri(), getTagName(), attrs);
subReportReadHandler = handler;
}
}
/**
* Done parsing.
*
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
if (subReportReadHandler != null)
{
report = subReportReadHandler.getSubReport();
}
if (oldReport != null)
{
getRootHandler().setHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME, oldReport);
oldReport = null;
}
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
*/
public Object getObject() throws SAXException
{
return report;
}
}