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 /*
25 * @test
26 * @bug 8132734
27 * @summary Test the extended API and the aliasing additions in JarFile that
28 * support multi-release jar files
29 * @library /lib/testlibrary/java/util/jar
30 * @build Compiler JarBuilder CreateMultiReleaseTestJars
31 * @run testng MultiReleaseJarAPI
32 */
33
34 import java.io.File;
35 import java.io.IOException;
36 import java.io.InputStream;
37 import java.nio.file.Files;
38 import java.util.Arrays;
39 import java.util.jar.JarFile;
40 import java.util.zip.ZipEntry;
41 import java.util.zip.ZipFile;
42 import jdk.Version;
43
44 import static java.util.jar.JarFile.Release;
45
46 import org.testng.Assert;
47 import org.testng.annotations.AfterClass;
48 import org.testng.annotations.BeforeClass;
49 import org.testng.annotations.Test;
50
51
52 public class MultiReleaseJarAPI {
53
54 static final int MAJOR_VERSION = Version.current().major();
55
56 String userdir = System.getProperty("user.dir",".");
57 File unversioned = new File(userdir, "unversioned.jar");
58 File multirelease = new File(userdir, "multi-release.jar");
59 File signedmultirelease = new File(userdir, "signed-multi-release.jar");
60 Release[] values = JarFile.Release.values();
61
62
63 @BeforeClass
64 public void initialize() throws Exception {
65 CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars();
66 creator.compileEntries();
67 creator.buildUnversionedJar();
68 creator.buildMultiReleaseJar();
69 creator.buildSignedMultiReleaseJar();
70 }
71
72 @AfterClass
73 public void close() throws IOException {
74 Files.delete(unversioned.toPath());
75 Files.delete(multirelease.toPath());
76 Files.delete(signedmultirelease.toPath());
77 }
78
79 @Test
80 public void isMultiReleaseJar() throws Exception {
81 try (JarFile jf = new JarFile(unversioned)) {
82 Assert.assertFalse(jf.isMultiRelease());
83 }
84
85 try (JarFile jf = new JarFile(multirelease)) {
86 Assert.assertTrue(jf.isMultiRelease());
87 }
88 }
89
90 @Test
91 public void testVersioning() throws Exception {
92 // multi-release jar
93 JarFile jar = new JarFile(multirelease);
94 Assert.assertEquals(Release.BASE, jar.getVersion());
95 jar.close();
96
97 for (Release value : values) {
98 System.err.println("test versioning for Release " + value);
99 try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, value)) {
100 Assert.assertEquals(value, jf.getVersion());
101 }
102 }
103
104 // regular, unversioned, jar
105 for (Release value : values) {
106 try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, value)) {
107 Assert.assertEquals(Release.BASE, jf.getVersion());
108 }
109 }
110
111 // assure that we have a Release object corresponding to the actual runtime version
112 String version = "VERSION_" + MAJOR_VERSION;
113 boolean runtimeVersionExists = false;
114 for (Release value : values) {
115 if (version.equals(value.name())) runtimeVersionExists = true;
116 }
117 Assert.assertTrue(runtimeVersionExists);
118 }
119
120 @Test
121 public void testAliasing() throws Exception {
122 for (Release value : values) {
123 System.err.println("test aliasing for Release " + value);
124 String name = value.name();
125 String prefix;
126 if (name.equals("BASE")) {
127 prefix = "";
128 } else if (name.equals("RUNTIME")) {
129 prefix = "META-INF/versions/" + MAJOR_VERSION + "/";
130 } else {
131 prefix = "META-INF/versions/" + name.substring(8) + "/";
132 }
133 // test both multi-release jars
134 readAndCompare(multirelease, value, "README", prefix + "README");
135 readAndCompare(multirelease, value, "version/Version.class", prefix + "version/Version.class");
136 // and signed multi-release jars
137 readAndCompare(signedmultirelease, value, "README", prefix + "README");
138 readAndCompare(signedmultirelease, value, "version/Version.class", prefix + "version/Version.class");
139 }
140 }
141
142 private void readAndCompare(File jar, Release version, String name, String realName) throws Exception {
143 byte[] baseBytes;
144 byte[] versionedBytes;
145 try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, Release.BASE)) {
146 ZipEntry ze = jf.getEntry(realName);
147 try (InputStream is = jf.getInputStream(ze)) {
148 baseBytes = is.readAllBytes();
149 }
150 }
151 assert baseBytes.length > 0;
152
153 try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, version)) {
154 ZipEntry ze = jf.getEntry(name);
155 try (InputStream is = jf.getInputStream(ze)) {
156 versionedBytes = is.readAllBytes();
157 }
158 }
159 assert versionedBytes.length > 0;
160
161 Assert.assertTrue(Arrays.equals(baseBytes, versionedBytes));
162 }
163
164 @Test
165 public void testNames() throws Exception {
166 String rname = "version/Version.class";
167 String vname = "META-INF/versions/9/version/Version.class";
168 ZipEntry ze1;
169 ZipEntry ze2;
170 try (JarFile jf = new JarFile(multirelease)) {
171 ze1 = jf.getEntry(vname);
172 }
173 Assert.assertEquals(ze1.getName(), vname);
174 try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, Release.VERSION_9)) {
175 ze2 = jf.getEntry(rname);
176 }
177 Assert.assertEquals(ze2.getName(), rname);
178 Assert.assertNotEquals(ze1.getName(), ze2.getName());
179 }
180 }