1 /*
   2  * Copyright (c) 2013, 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 jdk.test.lib;
  25 
  26 import java.io.FileNotFoundException;
  27 import java.nio.file.Path;
  28 import java.nio.file.Paths;
  29 
  30 public final class JDKToolFinder {
  31 
  32     private JDKToolFinder() {
  33     }
  34 
  35     /**
  36      * Returns the full path to an executable in jdk/bin based on System
  37      * property {@code test.jdk} or {@code compile.jdk} (both are set by the jtreg test suite)
  38      *
  39      * @return Full path to an executable in jdk/bin
  40      */
  41     public static String getJDKTool(String tool) {
  42 
  43         // First try to find the executable in test.jdk
  44         try {
  45             return getTool(tool, "test.jdk");
  46         } catch (FileNotFoundException e) {
  47 
  48         }
  49 
  50         // Now see if it's available in compile.jdk
  51         try {
  52             return getTool(tool, "compile.jdk");
  53         } catch (FileNotFoundException e) {
  54             throw new RuntimeException("Failed to find " + tool +
  55                     ", looked in test.jdk (" + System.getProperty("test.jdk") +
  56                     ") and compile.jdk (" + System.getProperty("compile.jdk") + ")");
  57         }
  58     }
  59 
  60     /**
  61      * Returns the full path to an executable in jdk/bin based on System
  62      * property {@code compile.jdk}
  63      *
  64      * @return Full path to an executable in jdk/bin
  65      */
  66     public static String getCompileJDKTool(String tool) {
  67         try {
  68             return getTool(tool, "compile.jdk");
  69         } catch (FileNotFoundException e) {
  70             throw new RuntimeException(e);
  71         }
  72     }
  73 
  74     /**
  75      * Returns the full path to an executable in jdk/bin based on System
  76      * property {@code test.jdk}
  77      *
  78      * @return Full path to an executable in jdk/bin
  79      */
  80     public static String getTestJDKTool(String tool) {
  81         try {
  82             return getTool(tool, "test.jdk");
  83         } catch (FileNotFoundException e) {
  84             throw new RuntimeException(e);
  85         }
  86     }
  87 
  88     private static String getTool(String tool, String property) throws FileNotFoundException {
  89         String jdkPath = System.getProperty(property);
  90 
  91         if (jdkPath == null) {
  92             throw new RuntimeException(
  93                     "System property '" + property + "' not set. This property is normally set by jtreg. "
  94                     + "When running test separately, set this property using '-D" + property + "=/path/to/jdk'.");
  95         }
  96 
  97         Path toolName = Paths.get("bin", tool + (Platform.isWindows() ? ".exe" : ""));
  98 
  99         Path jdkTool = Paths.get(jdkPath, toolName.toString());
 100         if (!jdkTool.toFile().exists()) {
 101             throw new FileNotFoundException("Could not find file " + jdkTool.toAbsolutePath());
 102         }
 103 
 104         return jdkTool.toAbsolutePath().toString();
 105     }
 106 }