/*
* 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.base.common;
import java.util.HashMap;
import org.pentaho.reporting.engine.classic.core.MasterReport;
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.libraries.resourceloader.DependencyCollector;
import org.pentaho.reporting.libraries.resourceloader.FactoryParameterKey;
import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceCreationException;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceKeyCreationException;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.RootXmlReadHandler;
import org.xml.sax.SAXException;
public class IncludeReadHandler extends AbstractPropertyXmlReadHandler
{
public IncludeReadHandler()
{
}
/**
* 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(), "src");
if (file == null)
{
throw new ParseException("Required attribute 'src' is missing.", getRootHandler().getDocumentLocator());
}
try
{
final RootXmlReadHandler rootHandler = getRootHandler();
final ResourceManager resourceManager = rootHandler.getResourceManager();
final ResourceKey source = rootHandler.getSource();
final HashMap map = new HashMap();
final String[] names = rootHandler.getHelperObjectNames();
for (int i = 0; i < names.length; i++)
{
final String name = names[i];
final FactoryParameterKey key = new FactoryParameterKey(name);
map.put(key, rootHandler.getHelperObject(name));
}
map.put(new FactoryParameterKey(ReportParserUtil.INCLUDE_PARSING_KEY), ReportParserUtil.INCLUDE_PARSING_VALUE);
final ResourceKey target = resourceManager.deriveKey(source, file, map);
final DependencyCollector dc = rootHandler.getDependencyCollector();
final Object maybeReport = getRootHandler().getHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME);
if (maybeReport == null)
{
throw new ParseException("Illegal State: No valid report", getRootHandler().getDocumentLocator());
}
final Class targetType;
if (maybeReport instanceof SubReport)
{
targetType = SubReport.class;
}
else if (maybeReport instanceof MasterReport)
{
targetType = MasterReport.class;
}
else
{
throw new ParseException("Illegal State: No valid report", getRootHandler().getDocumentLocator());
}
final Resource resource = resourceManager.create(target, rootHandler.getContext(), targetType);
dc.add(resource);
}
catch (ResourceKeyCreationException e)
{
throw new ParseException("Failure while building the resource-key.", e, getLocator());
}
catch (ResourceLoadingException e)
{
throw new ParseException("Failure while loading data.", e, getLocator());
}
catch (ResourceCreationException e)
{
throw new ParseException("Failure while loading data.", e, getLocator());
}
}
/**
* Returns the object for this element (if any).
*
* @return the object.
*/
public Object getObject()
{
return null;
}
}