1 /*
   2  * Copyright (c) 2010, 2015, 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.javafx.jmx;
  27 
  28 import com.sun.javafx.util.Logging;
  29 import com.sun.javafx.util.ModuleHelper;
  30 
  31 public abstract class MXExtension {
  32     private static final String EXTENSION_CLASS_NAME =
  33             System.getProperty("javafx.debug.jmx.class",
  34                                "com.oracle.javafx.jmx.MXExtensionImpl");
  35 
  36     public abstract void intialize() throws Exception;
  37 
  38     public static void initializeIfAvailable() {
  39         try {
  40             final Class<MXExtension> mxExtensionClass =
  41                     (Class<MXExtension>) Class.forName(EXTENSION_CLASS_NAME);
  42             Object thisModule = ModuleHelper.getModule(MXExtension.class);
  43             Object targetModule = ModuleHelper.getModule(mxExtensionClass);
  44             ModuleHelper.addReads(thisModule, targetModule);
  45 
  46             final MXExtension mxExtension = mxExtensionClass.newInstance();
  47             mxExtension.intialize();
  48         } catch (final Exception e) {
  49             Logging.getJavaFXLogger().info(
  50                     "Failed to initialize management extension", e);
  51         }
  52 
  53     }
  54 }