1 /* 2 * Copyright (c) 2011, 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 6899919 27 * @run shell build2.sh 28 * @run main/othervm GetResourceAsStream 29 */ 30 31 import java.io.*; 32 import java.net.*; 33 34 public class GetResourceAsStream extends Common { 35 36 /* 37 * We simply test various scenarios with class/resource files 38 * and make sure the files can be deleted after closing 39 * the loader. Therefore, the test will only really be verified 40 * on Windows. It will still run correctly on other platforms 41 */ 42 public static void main (String args[]) throws Exception { 43 44 String workdir = System.getProperty("test.classes"); 45 if (workdir == null) { 46 workdir = args[0]; 47 } 48 49 /* the jar we copy for each test */ 50 File srcfile = new File (workdir, "foo.jar"); 51 52 /* the jar we use for the test */ 53 File testfile = new File (workdir, "test.jar"); 54 55 copyFile (srcfile, testfile); 56 test (testfile, false, false); 57 58 copyFile (srcfile, testfile); 59 test (testfile, true, false); 60 61 copyFile (srcfile, testfile); 62 test (testfile, true, true); 63 64 // repeat test using a directory of files 65 66 File testdir= new File (workdir, "testdir"); 67 File srcdir= new File (workdir, "test3"); 68 69 copyDir (srcdir, testdir); 70 test (testdir, true, false); 71 72 } 73 74 // create a loader on jarfile (or directory) 75 // load a class , then look for a resource 76 // then close the loader 77 // check further new classes/resources cannot be loaded 78 // check jar (or dir) can be deleted 79 80 static void test (File file, boolean loadclass, boolean readall) 81 throws Exception 82 { 83 URL[] urls = new URL[] {file.toURL()}; 84 System.out.println ("Doing tests with URL: " + urls[0]); 85 URLClassLoader loader = new URLClassLoader (urls); 86 if (loadclass) { 87 Class testclass = loadClass ("com.foo.TestClass", loader, true); 88 } 89 InputStream s = loader.getResourceAsStream ("hello.txt"); 90 s.read(); 91 if (readall) { 92 while (s.read() != -1) ; 93 s.close(); 94 } 95 96 loader.close (); 97 98 // shouuld not find bye.txt now 99 InputStream s1 = loader.getResourceAsStream("bye.txt"); 100 if (s1 != null) { 101 throw new RuntimeException ("closed loader returned resource"); 102 } 103 104 // now check we can delete the path 105 rm_minus_rf (file); 106 System.out.println (" ... OK"); 107 } 108 }