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 43 import static java.util.jar.JarFile.Release; 44 import static sun.misc.Version.jdkMajorVersion; // fixme JEP 223 Version 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 String userdir = System.getProperty("user.dir","."); 54 File unversioned = new File(userdir, "unversioned.jar"); 55 File multirelease = new File(userdir, "multi-release.jar"); 56 File signedmultirelease = new File(userdir, "signed-multi-release.jar"); 57 Release[] values = JarFile.Release.values(); 58 59 60 @BeforeClass 61 public void initialize() throws Exception { 62 CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars(); 63 creator.compileEntries(); 64 creator.buildUnversionedJar(); 65 creator.buildMultiReleaseJar(); 66 creator.buildSignedMultiReleaseJar(); 67 } 68 69 @AfterClass 70 public void close() throws IOException { 71 Files.delete(unversioned.toPath()); 72 Files.delete(multirelease.toPath()); 73 Files.delete(signedmultirelease.toPath()); 74 } 75 76 @Test 77 public void isMultiReleaseJar() throws Exception { 78 try (JarFile jf = new JarFile(unversioned)) { 79 Assert.assertFalse(jf.isMultiRelease()); 80 } 81 82 try (JarFile jf = new JarFile(multirelease)) { 83 Assert.assertTrue(jf.isMultiRelease()); 84 } 85 } 86 87 @Test 88 public void testVersioning() throws Exception { 89 // multi-release jar 90 JarFile jar = new JarFile(multirelease); 91 Assert.assertEquals(Release.BASE, jar.getVersion()); 92 jar.close(); 93 94 for (Release value : values) { 95 System.err.println("test versioning for Release " + value); 96 try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, value)) { 97 Assert.assertEquals(value, jf.getVersion()); 98 } 99 } 100 101 // regular, unversioned, jar 102 for (Release value : values) { 103 try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, value)) { 104 Assert.assertEquals(Release.BASE, jf.getVersion()); 105 } 106 } 107 108 // assure that we have a Release object corresponding to the actual runtime version 109 String version = "VERSION_" + jdkMajorVersion(); 110 boolean runtimeVersionExists = false; 111 for (Release value : values) { 112 if (version.equals(value.name())) runtimeVersionExists = true; 113 } 114 Assert.assertTrue(runtimeVersionExists); 115 } 116 117 @Test 118 public void testAliasing() throws Exception { 119 for (Release value : values) { 120 System.err.println("test aliasing for Release " + value); 121 String name = value.name(); 122 String prefix; 123 if (name.equals("BASE")) { 124 prefix = ""; 125 } else if (name.equals("RUNTIME")) { 126 prefix = "META-INF/versions/" + jdkMajorVersion() + "/"; 127 } else { 128 prefix = "META-INF/versions/" + name.substring(8) + "/"; 129 } 130 // test both multi-release jars 131 readAndCompare(multirelease, value, "README", prefix + "README"); 132 readAndCompare(multirelease, value, "version/Version.class", prefix + "version/Version.class"); 133 // and signed multi-release jars 134 readAndCompare(signedmultirelease, value, "README", prefix + "README"); 135 readAndCompare(signedmultirelease, value, "version/Version.class", prefix + "version/Version.class"); 136 } 137 } 138 139 private void readAndCompare(File jar, Release version, String name, String realName) throws Exception { 140 byte[] baseBytes; 141 byte[] versionedBytes; 142 try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, Release.BASE)) { 143 ZipEntry ze = jf.getEntry(realName); 144 try (InputStream is = jf.getInputStream(ze)) { 145 baseBytes = is.readAllBytes(); 146 } 147 } 148 assert baseBytes.length > 0; 149 150 try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, version)) { 151 ZipEntry ze = jf.getEntry(name); 152 try (InputStream is = jf.getInputStream(ze)) { 153 versionedBytes = is.readAllBytes(); 154 } 155 } 156 assert versionedBytes.length > 0; 157 158 Assert.assertTrue(Arrays.equals(baseBytes, versionedBytes)); 159 } 160 161 @Test 162 public void testNames() throws Exception { 163 String rname = "version/Version.class"; 164 String vname = "META-INF/versions/9/version/Version.class"; 165 ZipEntry ze1; 166 ZipEntry ze2; 167 try (JarFile jf = new JarFile(multirelease)) { 168 ze1 = jf.getEntry(vname); 169 } 170 Assert.assertEquals(ze1.getName(), vname); 171 try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, Release.VERSION_9)) { 172 ze2 = jf.getEntry(rname); 173 } 174 Assert.assertEquals(ze2.getName(), rname); 175 Assert.assertNotEquals(ze1.getName(), ze2.getName()); 176 } 177 }