src/share/classes/sun/font/FontManagerFactory.java

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   1 /*
   2  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  54         if (FontUtilities.isWindows) {
  55             DEFAULT_CLASS = "sun.awt.Win32FontManager";
  56         } else if (FontUtilities.isMacOSX) {
  57             DEFAULT_CLASS = "sun.font.CFontManager";
  58             } else {
  59             DEFAULT_CLASS = "sun.awt.X11FontManager";
  60             }
  61     }
  62 
  63     /**
  64      * Get a valid FontManager implementation for the current platform.
  65      *
  66      * @return a valid FontManager instance for the current platform
  67      */
  68     public static synchronized FontManager getInstance() {
  69 
  70         if (instance != null) {
  71             return instance;
  72         }
  73 
  74         AccessController.doPrivileged(new PrivilegedAction() {
  75 
  76             public Object run() {
  77                 try {
  78                     String fmClassName =
  79                             System.getProperty("sun.font.fontmanager",
  80                                                DEFAULT_CLASS);
  81                     ClassLoader cl = ClassLoader.getSystemClassLoader();
  82                     Class fmClass = Class.forName(fmClassName, true, cl);
  83                     instance = (FontManager) fmClass.newInstance();
  84                 } catch (ClassNotFoundException |
  85                          InstantiationException |
  86                          IllegalAccessException ex) {
  87                     throw new InternalError(ex);
  88 
  89                 }
  90                 return null;
  91             }
  92         });
  93 
  94         return instance;
  95     }
  96 }
   1 /*
   2  * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  54         if (FontUtilities.isWindows) {
  55             DEFAULT_CLASS = "sun.awt.Win32FontManager";
  56         } else if (FontUtilities.isMacOSX) {
  57             DEFAULT_CLASS = "sun.font.CFontManager";
  58             } else {
  59             DEFAULT_CLASS = "sun.awt.X11FontManager";
  60             }
  61     }
  62 
  63     /**
  64      * Get a valid FontManager implementation for the current platform.
  65      *
  66      * @return a valid FontManager instance for the current platform
  67      */
  68     public static synchronized FontManager getInstance() {
  69 
  70         if (instance != null) {
  71             return instance;
  72         }
  73 
  74         AccessController.doPrivileged(new PrivilegedAction<Object>() {
  75 
  76             public Object run() {
  77                 try {
  78                     String fmClassName =
  79                             System.getProperty("sun.font.fontmanager",
  80                                                DEFAULT_CLASS);
  81                     ClassLoader cl = ClassLoader.getSystemClassLoader();
  82                     Class<?> fmClass = Class.forName(fmClassName, true, cl);
  83                     instance = (FontManager) fmClass.newInstance();
  84                 } catch (ClassNotFoundException |
  85                          InstantiationException |
  86                          IllegalAccessException ex) {
  87                     throw new InternalError(ex);
  88 
  89                 }
  90                 return null;
  91             }
  92         });
  93 
  94         return instance;
  95     }
  96 }