1 /*
   2  * Copyright (c) 2015, 2016, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.testlibrary.dcmd;
  25 
  26 import java.util.Arrays;
  27 import java.util.List;
  28 
  29 /**
  30  * Executes Diagnostic Commands on the target VM (specified by main class) using the jcmd tool
  31  */
  32 public class MainClassJcmdExecutor extends JcmdExecutor {
  33     private final String mainClass;
  34 
  35     /**
  36      * Instantiates a new MainClassJcmdExecutor targeting the current VM
  37      */
  38     public MainClassJcmdExecutor() {
  39         super();
  40         mainClass = System.getProperty("sun.java.command").split(" ")[0];
  41     }
  42 
  43     /**
  44      * Instantiates a new MainClassJcmdExecutor targeting the VM indicated by the given main class
  45      *
  46      * @param target Main class of the target VM
  47      */
  48     public MainClassJcmdExecutor(String target) {
  49         super();
  50         mainClass = target;
  51     }
  52 
  53     protected List<String> createCommandLine(String cmd) throws CommandExecutorException {
  54         return Arrays.asList(jcmdBinary, mainClass, cmd);
  55     }
  56 
  57 }