Package org.pentaho.reporting.libraries.fonts.awt

Source Code of org.pentaho.reporting.libraries.fonts.awt.AWTFontRegistry

/*
* 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.awt;

import java.awt.GraphicsEnvironment;
import java.util.HashMap;

import org.pentaho.reporting.libraries.fonts.registry.FontFamily;
import org.pentaho.reporting.libraries.fonts.registry.FontRegistry;
import org.pentaho.reporting.libraries.fonts.registry.FontMetricsFactory;
import org.pentaho.reporting.libraries.fonts.cache.FontCache;
import org.pentaho.reporting.libraries.fonts.LibFontBoot;

/**
* A very simple font registry wrapping around the AWT font classes.
*
* @author Thomas Morgner
*/
public class AWTFontRegistry implements FontRegistry
{
  private static FontCache secondLevelCache;

  protected static synchronized FontCache internalGetSecondLevelCache()
  {
    if (secondLevelCache == null)
    {
      secondLevelCache = LibFontBoot.getInstance().createDefaultCache();
    }
    return secondLevelCache;
  }

  private HashMap<String,AWTFontFamily> fontFamilyCache;

  public AWTFontRegistry()
  {
    fontFamilyCache = new HashMap<String,AWTFontFamily>();
  }

  public void initialize()
  {
  }

  public FontCache getSecondLevelCache()
  {
    return internalGetSecondLevelCache();
  }

  /**
   * Creates a new font metrics factory. That factory is specific to a certain
   * font registry and is not required to handle font records from foreign font
   * registries.
   * <p/>
   * A font metrics factory should never be used on its own. It should be
   * embedded into and used by a FontStorage implementation.
   *
   * @return
   */
  public FontMetricsFactory createMetricsFactory()
  {
    return new AWTFontMetricsFactory();
  }

  public FontFamily getFontFamily(final String name)
  {
    final AWTFontFamily fontFamily = fontFamilyCache.get(name);
    if (fontFamily != null)
    {
      return fontFamily;
    }
    final AWTFontFamily awtFontFamily = new AWTFontFamily(name);
    fontFamilyCache.put(name, awtFontFamily);
    return awtFontFamily;
  }

  public String[] getRegisteredFamilies()
  {
    final GraphicsEnvironment genv = GraphicsEnvironment.getLocalGraphicsEnvironment();
    return genv.getAvailableFontFamilyNames();
  }

  public String[] getAllRegisteredFamilies()
  {
    return getRegisteredFamilies();
  }
}
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