/*
* 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) 2009 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.reporting.designer.core.inspections;
import java.util.ArrayList;
import java.util.Iterator;
import org.pentaho.reporting.designer.core.ReportDesignerBoot;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class InspectionsRegistry
{
static final String PREFIX = "org.pentaho.reporting.designer.inspections.";
private static InspectionsRegistry instance;
private ArrayList<Inspection> factories;
public static synchronized InspectionsRegistry getInstance()
{
if (instance == null)
{
instance = new InspectionsRegistry();
instance.register();
}
return instance;
}
public InspectionsRegistry()
{
factories = new ArrayList<Inspection>();
}
private void register()
{
final Configuration configuration = ReportDesignerBoot.getInstance().getGlobalConfig();
final Iterator keys = configuration.findPropertyKeys(PREFIX);
while (keys.hasNext())
{
final String key = (String) keys.next();
final String className = configuration.getConfigProperty(key);
final Inspection plugin = (Inspection)
ObjectUtilities.loadAndInstantiate(className, InspectionsRegistry.class, Inspection.class);
if (plugin != null)
{
factories.add(plugin);
}
}
}
public void addInspection(final Inspection plugin)
{
if (plugin == null)
{
throw new NullPointerException();
}
factories.add(plugin);
}
public Inspection[] getInspections()
{
return factories.toArray(new Inspection[factories.size()]);
}
}