1 /*
2 * Copyright (c) 2011, 2017, 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 /**
25 * @test
26 * @bug 6899919
27 * @library /lib/testlibrary /test/lib
28 * @modules jdk.compiler
29 * @build jdk.test.lib.compiler.CompilerUtils
30 * jdk.test.lib.util.FileUtils
31 * jdk.test.lib.Utils
32 * jdk.test.lib.Asserts
33 * jdk.test.lib.JDKToolFinder
34 * jdk.test.lib.JDKToolLauncher
35 * jdk.test.lib.Platform
36 * jdk.test.lib.process.*
37 * JarUtils
38 * @run main/othervm GetResourceAsStream
39 */
40
41 import java.io.File;
42 import java.io.IOException;
43 import java.io.InputStream;
44 import java.net.URL;
45 import java.net.URLClassLoader;
46 import java.nio.file.Files;
47 import java.nio.file.Path;
48 import java.nio.file.Paths;
49 import java.nio.file.StandardCopyOption;
50 import java.nio.file.StandardOpenOption;
51 import jdk.test.lib.compiler.CompilerUtils;
52
53 public class GetResourceAsStream extends Common {
54 private static final String WORK_DIR = System.getProperty("user.dir");
55
56 /*
57 * We simply test various scenarios with class/resource files
58 * and make sure the files can be deleted after closing
59 * the loader. Therefore, the test will only really be verified
60 * on Windows. It will still run correctly on other platforms
61 */
62 public static void main (String args[]) throws Exception {
63 setup();
64
65 /* the jar we copy for each test */
66 File srcfile = new File(WORK_DIR, "foo.jar");
67
68 /* the jar we use for the test */
69 File testfile = new File(WORK_DIR, "test.jar");
70
71 copyFile(srcfile, testfile);
72 test(testfile, false, false);
73
74 copyFile(srcfile, testfile);
75 test(testfile, true, false);
76
77 copyFile(srcfile, testfile);
78 test(testfile, true, true);
79
80 // repeat test using a directory of files
81
82 File testdir = new File(WORK_DIR, "testdir");
83 File srcdir = new File(WORK_DIR, "test3");
84
85 copyDir(srcdir, testdir);
86 test(testdir, true, false);
87 }
88
89 // create a loader on jarfile (or directory)
90 // load a class , then look for a resource
91 // then close the loader
92 // check further new classes/resources cannot be loaded
93 // check jar (or dir) can be deleted
94
95 static void test (File file, boolean loadclass, boolean readall)
96 throws Exception
97 {
98 URL[] urls = new URL[] {file.toURI().toURL()};
99 System.out.println ("Doing tests with URL: " + urls[0]);
100 URLClassLoader loader = new URLClassLoader (urls);
101 if (loadclass) {
102 Class testclass = loadClass ("com.foo.TestClass", loader, true);
103 }
104 InputStream s = loader.getResourceAsStream ("hello.txt");
105 s.read();
106 if (readall) {
107 while (s.read() != -1) ;
108 s.close();
109 }
110
111 loader.close ();
112
113 // should not find bye.txt now
114 InputStream s1 = loader.getResourceAsStream("bye.txt");
115 if (s1 != null) {
116 throw new RuntimeException ("closed loader returned resource");
117 }
118
119 // now check we can delete the path
120 rm_minus_rf (file);
121 System.out.println (" ... OK");
122 }
123
124 /**
125 * Prepare jars files for the tests
126 */
127 private static void setup () throws IOException {
128 Path classes = Paths.get(WORK_DIR);
129 Path testSrc = Paths.get(System.getProperty("test.src"),
130 "test1", "com", "foo", "TestClass.java");
131 Path targetDir = classes.resolve("test3");
132 Path testTarget = targetDir.resolve("TestClass.java");
133 Files.createDirectories(targetDir);
134 Files.copy(testSrc, testTarget, StandardCopyOption.REPLACE_EXISTING);
135 // Compile sources for corresponding test
136 CompilerUtils.compile(targetDir, targetDir);
137 // Prepare txt files
138 Files.write(targetDir.resolve("hello.txt"), "Hello world".getBytes(),
139 StandardOpenOption.CREATE);
140 Files.write(targetDir.resolve("bye.txt"), "Bye world".getBytes(),
141 StandardOpenOption.CREATE);
142 // Create jar
143 JarUtils.createJarFile(classes.resolve("foo.jar"), targetDir);
144 }
145 }