/*
* 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 - 2013 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.fonts.registry;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.libraries.fonts.cache.FirstLevelFontCache;
/**
* Creation-Date: 15.12.2005, 18:07:53
*
* @author Thomas Morgner
*/
public class DefaultFontStorage implements FontStorage
{
private static final Log logger = LogFactory.getLog(DefaultFontStorage.class);
private FirstLevelFontCache knownMetrics;
private FontRegistry registry;
private FontMetricsFactory metricsFactory;
private FontKey lookupKey;
private int hits;
private int misses;
public DefaultFontStorage(final FontRegistry registry)
{
this.knownMetrics = new FirstLevelFontCache(registry.getSecondLevelCache());
this.registry = registry;
this.metricsFactory = registry.createMetricsFactory();
this.lookupKey = new FontKey();
}
public FontRegistry getFontRegistry()
{
return registry;
}
public FontMetrics getFontMetrics(final FontIdentifier record,
final FontContext context)
{
if (record == null)
{
throw new NullPointerException();
}
if (context == null)
{
throw new NullPointerException();
}
lookupKey.setAliased(context.isAntiAliased());
lookupKey.setFontSize(context.getFontSize());
lookupKey.setIdentifier(record);
lookupKey.setFractional(context.isFractionalMetrics());
final FontMetrics cachedMetrics = knownMetrics.getFontMetrics(lookupKey);
if (cachedMetrics != null)
{
hits += 1;
return cachedMetrics;
}
misses += 1;
final FontKey key = new FontKey(record, context.isAntiAliased(),
context.isFractionalMetrics(), context.getFontSize());
final FontMetrics metrics = metricsFactory.createMetrics(record, context);
knownMetrics.putFontMetrics(key, metrics);
return metrics;
}
public void commit()
{
logger.debug("Font-Storage: hits=" + hits + ", misses=" + misses);
knownMetrics.commit();
}
}