JDKToolFinder.java revision 2224:2a8815d86b93 
1/*
2 * Copyright (c) 2013, 2016, 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
24package jdk.test.lib;
25
26import java.io.FileNotFoundException;
27import java.nio.file.Path;
28import java.nio.file.Paths;
29
30public 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}
107