| /* |
| * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.font; |
| |
| import java.awt.AWTError; |
| import java.awt.Font; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.Toolkit; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| |
| import sun.security.action.GetPropertyAction; |
| |
| |
| /** |
| * Factory class used to retrieve a valid FontManager instance for the current |
| * platform. |
| * |
| * A default implementation is given for Linux, Solaris and Windows. |
| * You can alter the behaviour of the {@link #getInstance()} method by setting |
| * the {@code sun.font.fontmanager} property. For example: |
| * {@code sun.font.fontmanager=sun.awt.X11FontManager} |
| */ |
| public final class FontManagerFactory { |
| |
| /** Our singleton instance. */ |
| private static FontManager instance = null; |
| |
| private static final String DEFAULT_CLASS; |
| static { |
| if (FontUtilities.isWindows) { |
| DEFAULT_CLASS = "sun.awt.Win32FontManager"; |
| } else if (FontUtilities.isMacOSX) { |
| DEFAULT_CLASS = "sun.font.CFontManager"; |
| } else { |
| DEFAULT_CLASS = "sun.awt.X11FontManager"; |
| } |
| } |
| |
| /** |
| * Get a valid FontManager implementation for the current platform. |
| * |
| * @return a valid FontManager instance for the current platform |
| */ |
| public static synchronized FontManager getInstance() { |
| |
| if (instance != null) { |
| return instance; |
| } |
| |
| AccessController.doPrivileged(new PrivilegedAction<Object>() { |
| |
| public Object run() { |
| try { |
| String fmClassName = |
| System.getProperty("sun.font.fontmanager", |
| DEFAULT_CLASS); |
| ClassLoader cl = ClassLoader.getSystemClassLoader(); |
| Class<?> fmClass = Class.forName(fmClassName, true, cl); |
| instance = |
| (FontManager) fmClass.getDeclaredConstructor().newInstance(); |
| } catch (ReflectiveOperationException ex) { |
| throw new InternalError(ex); |
| |
| } |
| return null; |
| } |
| }); |
| |
| return instance; |
| } |
| } |