hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/JcmdExecutor.java
changeset 28821 f7820f311663
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28820:1837a69c2a22 28821:f7820f311663
       
     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.JDKToolFinder;
       
    27 import com.oracle.java.testlibrary.OutputAnalyzer;
       
    28 import com.oracle.java.testlibrary.ProcessTools;
       
    29 
       
    30 import java.util.List;
       
    31 
       
    32 /**
       
    33  * Base class for Diagnostic Command Executors using the jcmd tool
       
    34  */
       
    35 public abstract class JcmdExecutor extends CommandExecutor {
       
    36     protected String jcmdBinary;
       
    37 
       
    38     protected abstract List<String> createCommandLine(String cmd) throws CommandExecutorException;
       
    39 
       
    40     protected JcmdExecutor() {
       
    41         jcmdBinary = JDKToolFinder.getJDKTool("jcmd");
       
    42     }
       
    43 
       
    44     protected OutputAnalyzer executeImpl(String cmd) throws CommandExecutorException {
       
    45         List<String> commandLine = createCommandLine(cmd);
       
    46 
       
    47         try {
       
    48             System.out.printf("Executing command '%s'%n", commandLine);
       
    49             OutputAnalyzer output = ProcessTools.executeProcess(new ProcessBuilder(commandLine));
       
    50             System.out.printf("Command returned with exit code %d%n", output.getExitValue());
       
    51 
       
    52             return output;
       
    53         } catch (Exception e) {
       
    54             String message = String.format("Caught exception while executing '%s'", commandLine);
       
    55             throw new CommandExecutorException(message, e);
       
    56         }
       
    57     }
       
    58 }