/*
* 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.writer;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.metadata.ElementType;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class BundleElementWriterFactory
{
private static final String PREFIX = "org.pentaho.reporting.engine.classic.core.modules.parser.bundle.writer.element-write-handler.";
private BundleElementWriterFactory()
{
}
public static BundleElementWriteHandler createHandler(final Element element)
{
if (element == null)
{
throw new NullPointerException();
}
final ElementType type = element.getElementType();
final String metaName = type.getMetaData().getName();
final String configKey = PREFIX + metaName;
final Configuration config = ClassicEngineBoot.getInstance().getGlobalConfig();
final String handlerClass = config.getConfigProperty(configKey);
final BundleElementWriteHandler handler = (BundleElementWriteHandler) ObjectUtilities.loadAndInstantiate
(handlerClass, type.getClass(), BundleElementWriteHandler.class);
if (handler == null)
{
throw new IllegalStateException("Got no handler for type " + metaName);
}
return handler;
}
}