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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) 2006 - 2009 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.resourceloader.cache;
import org.pentaho.reporting.libraries.resourceloader.ResourceBundleData;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
/**
* Disables caching. It simply returns null on every request and ignores
* the put requests. You certainly want to use one of the other cache
* providers in real world applications.
* @author Thomas Morgner
*/
public class NullResourceBundleDataCache implements ResourceBundleDataCache
{
private Object lastEntry;
public NullResourceBundleDataCache()
{
}
public ResourceBundleData put(final ResourceManager caller, final ResourceBundleData data) throws ResourceLoadingException
{
final ResourceBundleData retval = CachingResourceBundleData.createCached(data);
lastEntry = new DefaultResourceBundleDataCacheEntry(retval, caller);
return retval;
}
public ResourceBundleDataCacheEntry get(final ResourceKey key)
{
if (lastEntry != null)
{
final ResourceBundleDataCacheEntry entry = (ResourceBundleDataCacheEntry) lastEntry;
if (key.equals(entry.getData().getBundleKey()))
{
return entry;
}
lastEntry = null;
}
return null;
}
public void remove(final ResourceBundleData data)
{
}
public void clear()
{
lastEntry = null;
}
public void shutdown()
{
lastEntry = null;
}
}
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