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 common;

    25 

    26 import java.nio.file.Path;

    27 import java.nio.file.Paths;

    28 import jdk.test.lib.Platform;

    29 

    30 /**

    31  * A tool, such as jstat, jmap, etc Specific tools are defined as subclasses

    32  * parameterized by their corresponding ToolResults subclasses

    33  */

    34 public abstract class TmTool<T extends ToolResults> {

    35 

    36     private final Class<T> resultsClz;

    37     private final String cmdLine;

    38 

    39     public TmTool(Class<T> resultsClz, String toolName, String otherArgs) {

    40         this.resultsClz = resultsClz;

    41         this.cmdLine = adjustForTestJava(toolName) + " " + otherArgs;

    42     }

    43 

    44     /**

    45      * Runs the tool to completion and returns the results

    46      *

    47      * @return the tool results

    48      * @throws Exception if anything goes wrong

    49      */

    50     public T measure() throws Exception {

    51         ToolRunner runner = new ToolRunner(cmdLine);

    52         ToolResults rawResults = runner.runToCompletion();

    53         System.out.println("Process output: " + rawResults);

    54         return resultsClz.getDeclaredConstructor(ToolResults.class).newInstance(rawResults);

    55     }

    56 

    57     private String adjustForTestJava(String toolName) {

    58         // We need to make sure we are running the tol from the JDK under testing

    59         String jdkPath = System.getProperty("test.jdk");

    60         if (jdkPath == null || !Paths.get(jdkPath).toFile().exists()) {

    61             throw new RuntimeException("property test.jdk not not set");

    62         }

    63         Path toolPath = Paths.get("bin", toolName + (Platform.isWindows() ? ".exe" : ""));

    64         return Paths.get(jdkPath, toolPath.toString()).toString();

    65     }

    66 

    67 }