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/*
* 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) 2007 - 2009 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.base;
import org.pentaho.reporting.libraries.base.boot.AbstractBoot;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.base.versioning.ProjectInformation;
/**
* An utility class to safely boot and initialize the LibBase library.
*
* @author : Thomas Morgner
*/
public class LibBaseBoot extends AbstractBoot
{
/** A singleton variable for the booter. */
private static LibBaseBoot instance;
/**
* Returns the singleton instance of LibBaseBoot.
*
* @return the boot class for Libbase.
*/
public static synchronized LibBaseBoot getInstance()
{
if (instance == null)
{
instance = new LibBaseBoot();
}
return instance;
}
/**
* Private constructor prevents object creation.
*/
private LibBaseBoot()
{
}
/**
* Loads the configuration for LibBase. This will be called exactly once. The configuration is loaded from
* a file called "libbase.properties" located next to this class. A user overridable properties file is searched
* on the classpath within all libraries using the name "/libbase.properties".
*
* @return The configuration.
*/
protected Configuration loadConfiguration()
{
return createDefaultHierarchicalConfiguration
("/org/pentaho/reporting/libraries/base/libbase.properties",
"/libbase.properties", true, LibBaseBoot.class);
}
/**
* Performs the boot. This method does nothing.
*/
protected void performBoot()
{
// nothing required. Just gather the configuration.
}
/**
* Returns the project info.
*
* @return The project info.
*/
protected ProjectInformation getProjectInfo()
{
return LibBaseInfo.getInstance();
}
}
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