1 /*
   2  * Copyright (c) 2002, 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
  23  * questions.
  24  */
  25 
  26 package com.sun.java.accessibility;
  27 
  28 @jdk.Exported(false)
  29 abstract class AccessBridgeLoader {
  30 
  31     /**
  32      * Load JavaAccessBridge.DLL (our native half)
  33      */
  34     static {
  35         java.security.AccessController.doPrivileged(
  36             new java.security.PrivilegedAction<Object>() {
  37                 public Object run() {
  38                     System.loadLibrary("JavaAccessBridge-64");
  39                     return null;
  40                 }
  41             }, null, new RuntimePermission("loadLibrary.JavaAccessBridge-64")
  42         );
  43     }
  44 
  45     boolean useJAWT_DLL = false;
  46 
  47     /**
  48      * AccessBridgLoader constructor
  49      */
  50     AccessBridgeLoader() {
  51         // load JAWTAccessBridge.DLL on JDK 1.4.1 or later
  52         String version = System.getProperty("java.version");
  53         if (version != null)
  54             useJAWT_DLL = (version.compareTo("1.4.1") >= 0);
  55 
  56         if (useJAWT_DLL) {
  57             // Note that we have to explicitly load JAWT.DLL
  58             java.security.AccessController.doPrivileged(
  59                 new java.security.PrivilegedAction<Object>() {
  60                     public Object run() {
  61                         System.loadLibrary("JAWT");
  62                         System.loadLibrary("JAWTAccessBridge-64");
  63                         return null;
  64                     }
  65                 }, null, new RuntimePermission("loadLibrary.JAWT"),
  66                          new RuntimePermission("loadLibrary.JAWTAccessBridge-64")
  67             );
  68         }
  69     }
  70 
  71 }