1 /* 2 * Copyright (c) 2006, 2014, 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 * @modules jdk.jartool/sun.tools.jar 28 * @summary Check extracted files have date as per those in the .jar file 29 */ 30 31 import java.io.File; 32 import java.io.PrintWriter; 33 import java.nio.file.attribute.FileTime; 34 import sun.tools.jar.Main; 35 36 public class JarEntryTime { 37 38 // ZipEntry's mod date has 2 seconds precision: give extra time to 39 // allow for e.g. rounding/truncation and networked/samba drives. 40 static final long PRECISION = 10000L; 41 42 static boolean cleanup(File dir) throws Throwable { 43 boolean rc = true; 44 File[] x = dir.listFiles(); 45 if (x != null) { 46 for (int i = 0; i < x.length; i++) { 47 rc &= x[i].delete(); 48 } 49 } 50 return rc & dir.delete(); 51 } 52 53 static void extractJar(File jarFile, boolean useExtractionTime) throws Throwable { 54 String javahome = System.getProperty("java.home"); 55 String jarcmd = javahome + File.separator + "bin" + File.separator + "jar"; 56 String[] args; 57 if (useExtractionTime) { 58 args = new String[] { 59 jarcmd, 60 "-J-Dsun.tools.jar.useExtractionTime=true", 61 "xf", 62 jarFile.getName() }; 63 } else { 64 args = new String[] { 65 jarcmd, 66 "xf", 67 jarFile.getName() }; 68 } 69 Process p = Runtime.getRuntime().exec(args); 70 check(p != null && (p.waitFor() == 0)); 71 } 72 73 public static void realMain(String[] args) throws Throwable { 74 75 File dirOuter = new File("outer"); 76 File dirInner = new File(dirOuter, "inner"); 77 File jarFile = new File("JarEntryTime.jar"); 78 79 // Remove any leftovers from prior run 80 cleanup(dirInner); 81 cleanup(dirOuter); 82 jarFile.delete(); 83 84 /* Create a directory structure 85 * outer/ 86 * inner/ 87 * foo.txt 88 * Set the lastModified dates so that outer is created now, inner 89 * yesterday, and foo.txt created "earlier". 90 */ 91 check(dirOuter.mkdir()); 92 check(dirInner.mkdir()); 93 File fileInner = new File(dirInner, "foo.txt"); 94 try (PrintWriter pw = new PrintWriter(fileInner)) { 95 pw.println("hello, world"); 96 } 97 98 // Get the "now" from the "last-modified-time" of the last file we 99 // just created, instead of the "System.currentTimeMillis()", to 100 // workaround the possible "time difference" due to nfs. 101 final long now = fileInner.lastModified(); 102 final long earlier = now - (60L * 60L * 6L * 1000L); 103 final long yesterday = now - (60L * 60L * 24L * 1000L); 104 105 check(dirOuter.setLastModified(now)); 106 check(dirInner.setLastModified(yesterday)); 107 check(fileInner.setLastModified(earlier)); 108 109 // Make a jar file from that directory structure 110 Main jartool = new Main(System.out, System.err, "jar"); 111 check(jartool.run(new String[] { 112 "cf", 113 jarFile.getName(), dirOuter.getName() } )); 114 check(jarFile.exists()); 115 116 check(cleanup(dirInner)); 117 check(cleanup(dirOuter)); 118 119 // Extract and check that the last modified values are those specified 120 // in the archive 121 extractJar(jarFile, false); 122 check(dirOuter.exists()); 123 check(dirInner.exists()); 124 check(fileInner.exists()); 125 checkFileTime(dirOuter.lastModified(), now); 126 checkFileTime(dirInner.lastModified(), yesterday); 127 checkFileTime(fileInner.lastModified(), earlier); 128 129 check(cleanup(dirInner)); 130 check(cleanup(dirOuter)); 131 132 // Extract and check the last modified values are the current times. 133 // See sun.tools.jar.Main 134 extractJar(jarFile, true); 135 check(dirOuter.exists()); 136 check(dirInner.exists()); 137 check(fileInner.exists()); 138 checkFileTime(dirOuter.lastModified(), now); 139 checkFileTime(dirInner.lastModified(), now); 140 checkFileTime(fileInner.lastModified(), now); 141 142 check(cleanup(dirInner)); 143 check(cleanup(dirOuter)); 144 145 check(jarFile.delete()); 146 } 147 148 static void checkFileTime(long now, long original) { 149 if (Math.abs(now - original) > PRECISION) { 150 System.out.format("Extracted to %s, expected to be close to %s%n", 151 FileTime.fromMillis(now), FileTime.fromMillis(original)); 152 fail(); 153 } 154 } 155 156 //--------------------- Infrastructure --------------------------- 157 static volatile int passed = 0, failed = 0; 158 static void pass() {passed++;} 159 static void fail() {failed++; Thread.dumpStack();} 160 static void fail(String msg) {System.out.println(msg); fail();} 161 static void unexpected(Throwable t) {failed++; t.printStackTrace();} 162 static void check(boolean cond) {if (cond) pass(); else fail();} 163 static void equal(Object x, Object y) { 164 if (x == null ? y == null : x.equals(y)) pass(); 165 else fail(x + " not equal to " + y);} 166 public static void main(String[] args) throws Throwable { 167 try {realMain(args);} catch (Throwable t) {unexpected(t);} 168 System.out.println("\nPassed = " + passed + " failed = " + failed); 169 if (failed > 0) throw new AssertionError("Some tests failed");} 170 }