1 /*

     2  * Copyright (c) 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.

     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 com.oracle.java.testlibrary.dcmd;

    25 

    26 import com.oracle.java.testlibrary.ProcessTools;

    27 

    28 import java.util.Arrays;

    29 import java.util.List;

    30 

    31 /**

    32  * Executes Diagnostic Commands on the target VM (specified by pid) using the jcmd tool

    33  */

    34 public class PidJcmdExecutor extends JcmdExecutor {

    35     protected final int pid;

    36 

    37     /**

    38      * Instantiates a new PidJcmdExecutor targeting the current VM

    39      */

    40     public PidJcmdExecutor() {

    41         super();

    42         try {

    43             pid = ProcessTools.getProcessId();

    44         } catch (Exception e) {

    45             throw new CommandExecutorException("Could not determine own pid", e);

    46         }

    47     }

    48 

    49     /**

    50      * Instantiates a new PidJcmdExecutor targeting the VM indicated by the given pid

    51      *

    52      * @param target Pid of the target VM

    53      */

    54     public PidJcmdExecutor(String target) {

    55         super();

    56         pid = Integer.valueOf(target);

    57     }

    58 

    59     protected List<String> createCommandLine(String cmd) throws CommandExecutorException {

    60         return Arrays.asList(jcmdBinary, Integer.toString(pid), cmd);

    61     }

    62 

    63 }