/**
* ===========================================
* LibFonts : a free Java font reading library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/libfonts/
*
* (C) Copyright 2006-2008, by Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* CompoundFontRegistry.java
* ------------
*/
package org.pentaho.reporting.libraries.fonts.merge;
import java.util.ArrayList;
import java.util.HashSet;
import org.pentaho.reporting.libraries.fonts.registry.FontRegistry;
import org.pentaho.reporting.libraries.fonts.registry.FontFamily;
import org.pentaho.reporting.libraries.fonts.registry.FontMetricsFactory;
import org.pentaho.reporting.libraries.fonts.cache.FontCache;
import org.pentaho.reporting.libraries.fonts.LibFontBoot;
/**
* Creation-Date: 20.07.2007, 18:46:04
*
* @author Thomas Morgner
*/
public class CompoundFontRegistry implements FontRegistry
{
private static FontCache secondLevelCache;
protected static synchronized FontCache internalGetSecondLevelCache()
{
if (secondLevelCache == null)
{
secondLevelCache = LibFontBoot.getInstance().createDefaultCache();
}
return secondLevelCache;
}
private ArrayList registries;
public CompoundFontRegistry()
{
this.registries = new ArrayList();
}
public FontCache getSecondLevelCache()
{
return internalGetSecondLevelCache();
}
public void addRegistry (final FontRegistry registry)
{
if (registry == null)
{
throw new NullPointerException();
}
this.registries.add(registry);
}
public void initialize()
{
for (int i = 0; i < registries.size(); i++)
{
final FontRegistry fontRegistry = (FontRegistry) registries.get(i);
fontRegistry.initialize();
}
}
public FontFamily getFontFamily(final String name)
{
for (int i = 0; i < registries.size(); i++)
{
final FontRegistry fontRegistry = (FontRegistry) registries.get(i);
final FontFamily fontFamily = fontRegistry.getFontFamily(name);
if (fontFamily != null)
{
return new CompoundFontFamily(fontFamily, fontRegistry);
}
}
return null;
}
public String[] getRegisteredFamilies()
{
final HashSet registeredFamilies = new HashSet();
for (int i = 0; i < registries.size(); i++)
{
final FontRegistry fontRegistry = (FontRegistry) registries.get(i);
final String[] fontFamilies = fontRegistry.getRegisteredFamilies();
final int length = fontFamilies.length;
for (int j = 0; j < length; j++)
{
final String fontFamily = fontFamilies[j];
registeredFamilies.add(fontFamily);
}
}
return (String[]) registeredFamilies.toArray(new String[registeredFamilies.size()]);
}
public String[] getAllRegisteredFamilies()
{
final HashSet registeredFamilies = new HashSet();
final int registryCount = registries.size();
for (int i = 0; i < registryCount; i++)
{
final FontRegistry fontRegistry = (FontRegistry) registries.get(i);
final String[] fontFamilies = fontRegistry.getAllRegisteredFamilies();
final int familyCount = fontFamilies.length;
for (int j = 0; j < familyCount; j++)
{
final String fontFamily = fontFamilies[j];
registeredFamilies.add(fontFamily);
}
}
return (String[]) registeredFamilies.toArray(new String[registeredFamilies.size()]);
}
public FontMetricsFactory createMetricsFactory()
{
throw new UnsupportedOperationException("The CompoundFontRegistry cannot provide font-metrics directly.");
}
}