/* * Copyright (c) 2008, 2010, 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 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() { 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.newInstance(); } catch (ClassNotFoundException ex) { InternalError err = new InternalError(); err.initCause(ex); throw err; } catch (InstantiationException ex) { InternalError err = new InternalError(); err.initCause(ex); throw err; } catch (IllegalAccessException ex) { InternalError err = new InternalError(); err.initCause(ex); throw err; } return null; } }); return instance; }}
/*
* Copyright (c) 2008, 2010, 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
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() {
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.newInstance();
} catch (ClassNotFoundException ex) {
InternalError err = new InternalError();
err.initCause(ex);
throw err;
} catch (InstantiationException ex) {
InternalError err = new InternalError();
err.initCause(ex);
throw err;
} catch (IllegalAccessException ex) {
InternalError err = new InternalError();
err.initCause(ex);
throw err;
}
return null;
}
});
return instance;
}
}