1 /* 2 * Copyright (c) 2006, 2010, 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 4225317 6969651 27 * @summary Check extracted files have date as per those in the .jar file 28 */ 29 30 import java.io.File; 31 import java.io.PrintWriter; 32 import java.nio.file.attribute.FileTime; 33 import sun.tools.jar.Main; 34 35 public class JarEntryTime { 36 37 // ZipEntry's mod date has 2 seconds precision: give extra time to 38 // allow for e.g. rounding/truncation and networked/samba drives. 39 static final long PRECISION = 10000L; 40 41 static boolean cleanup(File dir) throws Throwable { 42 boolean rc = true; 43 File[] x = dir.listFiles(); 44 if (x != null) { 45 for (int i = 0; i < x.length; i++) { 46 rc &= x[i].delete(); 47 } 48 } 49 return rc & dir.delete(); 50 } 51 52 static void extractJar(File jarFile, boolean useExtractionTime) throws Throwable { 53 String javahome = System.getProperty("java.home"); 54 if (javahome.endsWith("jre")) { 55 javahome = javahome.substring(0, javahome.length() - 4); 56 } 57 String jarcmd = javahome + File.separator + "bin" + File.separator + "jar"; 58 String[] args; 59 if (useExtractionTime) { 60 args = new String[] { 61 jarcmd, 62 "-J-Dsun.tools.jar.useExtractionTime=true", 63 "xf", 64 jarFile.getName() }; 65 } else { 66 args = new String[] { 67 jarcmd, 68 "xf", 69 jarFile.getName() }; 70 } 71 Process p = Runtime.getRuntime().exec(args); 72 check(p != null && (p.waitFor() == 0)); 73 } 74 75 public static void realMain(String[] args) throws Throwable { 76 77 File dirOuter = new File("outer"); 78 File dirInner = new File(dirOuter, "inner"); 79 File jarFile = new File("JarEntryTime.jar"); 80 81 // Remove any leftovers from prior run 82 cleanup(dirInner); 83 cleanup(dirOuter); 84 jarFile.delete(); 85 86 /* Create a directory structure 87 * outer/ 88 * inner/ 89 * foo.txt 90 * Set the lastModified dates so that outer is created now, inner 91 * yesterday, and foo.txt created "earlier". 92 */ 93 check(dirOuter.mkdir()); 94 check(dirInner.mkdir()); 95 File fileInner = new File(dirInner, "foo.txt"); 96 try (PrintWriter pw = new PrintWriter(fileInner)) { 97 pw.println("hello, world"); 98 } 99 100 // Get the "now" from the "last-modified-time" of the last file we 101 // just created, instead of the "System.currentTimeMillis()", to 102 // workaround the possible "time difference" due to nfs. 103 final long now = fileInner.lastModified(); 104 final long earlier = now - (60L * 60L * 6L * 1000L); 105 final long yesterday = now - (60L * 60L * 24L * 1000L); 106 107 check(dirOuter.setLastModified(now)); 108 check(dirInner.setLastModified(yesterday)); 109 check(fileInner.setLastModified(earlier)); 110 111 // Make a jar file from that directory structure 112 Main jartool = new Main(System.out, System.err, "jar"); 113 check(jartool.run(new String[] { 114 "cf", 115 jarFile.getName(), dirOuter.getName() } )); 116 check(jarFile.exists()); 117 118 check(cleanup(dirInner)); 119 check(cleanup(dirOuter)); 120 121 // Extract and check that the last modified values are those specified 122 // in the archive 123 extractJar(jarFile, false); 124 check(dirOuter.exists()); 125 check(dirInner.exists()); 126 check(fileInner.exists()); 127 checkFileTime(dirOuter.lastModified(), now); 128 checkFileTime(dirInner.lastModified(), yesterday); 129 checkFileTime(fileInner.lastModified(), earlier); 130 131 check(cleanup(dirInner)); 132 check(cleanup(dirOuter)); 133 134 // Extract and check the last modified values are the current times. 135 // See sun.tools.jar.Main 136 extractJar(jarFile, true); 137 check(dirOuter.exists()); 138 check(dirInner.exists()); 139 check(fileInner.exists()); 140 checkFileTime(dirOuter.lastModified(), now); 141 checkFileTime(dirInner.lastModified(), now); 142 checkFileTime(fileInner.lastModified(), now); 143 144 check(cleanup(dirInner)); 145 check(cleanup(dirOuter)); 146 147 check(jarFile.delete()); 148 } 149 150 static void checkFileTime(long now, long original) { 151 if (Math.abs(now - original) > PRECISION) { 152 System.out.format("Extracted to %s, expected to be close to %s%n", 153 FileTime.fromMillis(now), FileTime.fromMillis(original)); 154 fail(); 155 } 156 } 157 158 //--------------------- Infrastructure --------------------------- 159 static volatile int passed = 0, failed = 0; 160 static void pass() {passed++;} 161 static void fail() {failed++; Thread.dumpStack();} 162 static void fail(String msg) {System.out.println(msg); fail();} 163 static void unexpected(Throwable t) {failed++; t.printStackTrace();} 164 static void check(boolean cond) {if (cond) pass(); else fail();} 165 static void equal(Object x, Object y) { 166 if (x == null ? y == null : x.equals(y)) pass(); 167 else fail(x + " not equal to " + y);} 168 public static void main(String[] args) throws Throwable { 169 try {realMain(args);} catch (Throwable t) {unexpected(t);} 170 System.out.println("\nPassed = " + passed + " failed = " + failed); 171 if (failed > 0) throw new AssertionError("Some tests failed");} 172 }