1 /*

     2  * Copyright (c) 2014, 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 import java.util.Arrays;

    27 

    28 import jdk.testlibrary.JDKToolLauncher;

    29 import jdk.testlibrary.OutputAnalyzer;

    30 import jdk.testlibrary.ProcessTools;

    31 

    32 /**

    33  *  The helper class for running jinfo utility.

    34  */

    35 public final class JInfoHelper {

    36 

    37     /**

    38      * Print configuration information for the current process

    39      *

    40      * @param toolArgs List of jinfo options

    41      */

    42     public static OutputAnalyzer jinfo(String... toolArgs) throws Exception {

    43         return jinfo(true, toolArgs);

    44     }

    45 

    46     /**

    47      * Print usage information

    48      *

    49      * @param toolArgs List of jinfo options

    50      */

    51     public static OutputAnalyzer jinfoNoPid(String... toolArgs) throws Exception {

    52         return jinfo(false, toolArgs);

    53     }

    54 

    55     private static OutputAnalyzer jinfo(boolean toPid, String... toolArgs) throws Exception {

    56         JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jinfo");

    57         if (toolArgs != null) {

    58             for (String toolArg : toolArgs) {

    59                 launcher.addToolArg(toolArg);

    60             }

    61         }

    62         if (toPid) {

    63             launcher.addToolArg(Long.toString(ProcessTools.getProcessId()));

    64         }

    65 

    66         ProcessBuilder processBuilder = new ProcessBuilder(launcher.getCommand());

    67         System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", ""));

    68         OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);

    69         System.out.println(output.getOutput());

    70 

    71         return output;

    72     }

    73 

    74 }