/*!
* 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) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.drilldown;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.extensions.drilldown.parser.DrillDownProfileCollection;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
public class DrillDownProfileMetaData
{
private static final Log logger = LogFactory.getLog(DrillDownProfileMetaData.class);
private static DrillDownProfileMetaData instance;
private ResourceManager resourceManager;
public static synchronized DrillDownProfileMetaData getInstance()
{
if (instance == null)
{
instance = new DrillDownProfileMetaData();
}
return instance;
}
private HashMap<String, DrillDownProfile> drillDownProfiles;
private DrillDownProfileMetaData()
{
this.resourceManager = new ResourceManager();
drillDownProfiles = new HashMap<String, DrillDownProfile>();
}
public void registerProfile(final DrillDownProfile profile)
{
drillDownProfiles.put(profile.getName(), profile);
}
public void registerFromXml(final URL expressionMetaSource) throws IOException
{
if (expressionMetaSource == null)
{
throw new NullPointerException("Error: Could not find the expression meta-data description file");
}
try
{
final Resource resource = resourceManager.createDirectly(expressionMetaSource,
DrillDownProfileCollection.class);
final DrillDownProfileCollection typeCollection = (DrillDownProfileCollection) resource.getResource();
final DrillDownProfile[] types = typeCollection.getData();
for (int i = 0; i < types.length; i++)
{
final DrillDownProfile metaData = types[i];
if (metaData != null)
{
registerProfile(metaData);
}
}
}
catch (Exception e)
{
DrillDownProfileMetaData.logger.error("Failed:", e);
throw new IOException("Error: Could not parse the element meta-data description file");
}
}
public DrillDownProfile getDrillDownProfile(final String configIndicator)
{
return drillDownProfiles.get(configIndicator);
}
public DrillDownProfile[] getDrillDownProfiles()
{
return drillDownProfiles.values().toArray(new DrillDownProfile[drillDownProfiles.size()]);
}
public String[] getDrillDownProfileNames()
{
return drillDownProfiles.keySet().toArray(new String[drillDownProfiles.size()]);
}
public DrillDownProfile[] getDrillDownProfileByGroup(final String group)
{
final ArrayList<DrillDownProfile> profiles = new ArrayList<DrillDownProfile>();
for (final DrillDownProfile profile : drillDownProfiles.values())
{
if (ObjectUtilities.equal(profile.getAttribute("group"), group))
{
profiles.add(profile);
}
}
return profiles.toArray(new DrillDownProfile[profiles.size()]);
}
}