1 /* 2 * Copyright (c) 2015, 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 24 /* 25 * @test 26 * @bug 8132734 8144062 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 45 import org.testng.Assert; 46 import org.testng.annotations.AfterClass; 47 import org.testng.annotations.BeforeClass; 48 import org.testng.annotations.Test; 49 50 51 public class MultiReleaseJarAPI { 52 53 static final int MAJOR_VERSION = Runtime.version().major(); 54 55 String userdir = System.getProperty("user.dir","."); 56 CreateMultiReleaseTestJars creator = new CreateMultiReleaseTestJars(); 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 creator.compileEntries(); 66 creator.buildUnversionedJar(); 67 creator.buildMultiReleaseJar(); 68 creator.buildSignedMultiReleaseJar(); 69 } 70 71 @AfterClass 72 public void close() throws IOException { 73 Files.delete(unversioned.toPath()); 74 Files.delete(multirelease.toPath()); 75 Files.delete(signedmultirelease.toPath()); 76 } 77 78 @Test 79 public void isMultiReleaseJar() throws Exception { 80 try (JarFile jf = new JarFile(unversioned)) { 81 Assert.assertFalse(jf.isMultiRelease()); 82 } 83 84 try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, Release.RUNTIME)) { 85 Assert.assertFalse(jf.isMultiRelease()); 86 } 87 88 try (JarFile jf = new JarFile(multirelease)) { 89 Assert.assertFalse(jf.isMultiRelease()); 90 } 91 92 try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, Release.RUNTIME)) { 93 Assert.assertTrue(jf.isMultiRelease()); 94 } 95 96 testCustomMultiReleaseValue("true", true); 97 testCustomMultiReleaseValue("true\r\nOther: value", true); 98 testCustomMultiReleaseValue("true\nOther: value", true); 99 testCustomMultiReleaseValue("true\rOther: value", true); 100 101 testCustomMultiReleaseValue("false", false); 102 testCustomMultiReleaseValue(" true", false); 103 testCustomMultiReleaseValue("true ", false); 104 testCustomMultiReleaseValue("true\n ", false); 105 testCustomMultiReleaseValue("true\r ", false); 106 testCustomMultiReleaseValue("true\n true", false); 107 testCustomMultiReleaseValue("true\r\n true", false); 108 } 109 110 private void testCustomMultiReleaseValue(String value, boolean expected) throws Exception { 111 creator.buildCustomMultiReleaseJar("custom-mr.jar", value); 112 File custom = new File(userdir, "custom-mr.jar"); 113 try (JarFile jf = new JarFile(custom, true, ZipFile.OPEN_READ, Release.RUNTIME)) { 114 Assert.assertEquals(jf.isMultiRelease(), expected); 115 } 116 Files.delete(custom.toPath()); 117 } 118 119 @Test 120 public void testVersioning() throws Exception { 121 // multi-release jar 122 JarFile jar = new JarFile(multirelease); 123 Assert.assertEquals(Release.BASE, jar.getVersion()); 124 jar.close(); 125 126 for (Release value : values) { 127 System.err.println("test versioning for Release " + value); 128 try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, value)) { 129 Assert.assertEquals(value, jf.getVersion()); 130 } 131 } 132 133 // regular, unversioned, jar 134 for (Release value : values) { 135 try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, value)) { 136 Assert.assertEquals(Release.BASE, jf.getVersion()); 137 } 138 } 139 140 // assure that we have a Release object corresponding to the actual runtime version 141 String version = "VERSION_" + MAJOR_VERSION; 142 boolean runtimeVersionExists = false; 143 for (Release value : values) { 144 if (version.equals(value.name())) runtimeVersionExists = true; 145 } 146 Assert.assertTrue(runtimeVersionExists); 147 } 148 149 @Test 150 public void testAliasing() throws Exception { 151 for (Release value : values) { 152 System.err.println("test aliasing for Release " + value); 153 String name = value.name(); 154 String prefix; 155 if (name.equals("BASE")) { 156 prefix = ""; 157 } else if (name.equals("RUNTIME")) { 158 prefix = "META-INF/versions/" + MAJOR_VERSION + "/"; 159 } else { 160 prefix = "META-INF/versions/" + name.substring(8) + "/"; 161 } 162 // test both multi-release jars 163 readAndCompare(multirelease, value, "README", prefix + "README"); 164 readAndCompare(multirelease, value, "version/Version.class", prefix + "version/Version.class"); 165 // and signed multi-release jars 166 readAndCompare(signedmultirelease, value, "README", prefix + "README"); 167 readAndCompare(signedmultirelease, value, "version/Version.class", prefix + "version/Version.class"); 168 } 169 } 170 171 private void readAndCompare(File jar, Release version, String name, String realName) throws Exception { 172 byte[] baseBytes; 173 byte[] versionedBytes; 174 try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, Release.BASE)) { 175 ZipEntry ze = jf.getEntry(realName); 176 try (InputStream is = jf.getInputStream(ze)) { 177 baseBytes = is.readAllBytes(); 178 } 179 } 180 assert baseBytes.length > 0; 181 182 try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, version)) { 183 ZipEntry ze = jf.getEntry(name); 184 try (InputStream is = jf.getInputStream(ze)) { 185 versionedBytes = is.readAllBytes(); 186 } 187 } 188 assert versionedBytes.length > 0; 189 190 Assert.assertTrue(Arrays.equals(baseBytes, versionedBytes)); 191 } 192 193 @Test 194 public void testNames() throws Exception { 195 String rname = "version/Version.class"; 196 String vname = "META-INF/versions/9/version/Version.class"; 197 ZipEntry ze1; 198 ZipEntry ze2; 199 try (JarFile jf = new JarFile(multirelease)) { 200 ze1 = jf.getEntry(vname); 201 } 202 Assert.assertEquals(ze1.getName(), vname); 203 try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, Release.VERSION_9)) { 204 ze2 = jf.getEntry(rname); 205 } 206 Assert.assertEquals(ze2.getName(), rname); 207 Assert.assertNotEquals(ze1.getName(), ze2.getName()); 208 } 209 }