1 /* 2 * Copyright (c) 2011, 2017, 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 * @library /test/lib 28 * @run shell build2.sh 29 * @run main/othervm GetResourceAsStream 30 */ 31 32 import java.io.*; 33 import java.net.*; 34 35 public class GetResourceAsStream extends Common { 36 37 /* 38 * We simply test various scenarios with class/resource files 39 * and make sure the files can be deleted after closing 40 * the loader. Therefore, the test will only really be verified 41 * on Windows. It will still run correctly on other platforms 42 */ 43 public static void main (String args[]) throws Exception { 44 45 String workdir = System.getProperty("test.classes"); 46 if (workdir == null) { 47 workdir = args[0]; 48 } 49 50 /* the jar we copy for each test */ 51 File srcfile = new File (workdir, "foo.jar"); 52 53 /* the jar we use for the test */ 54 File testfile = new File (workdir, "test.jar"); 55 56 copyFile (srcfile, testfile); 57 test (testfile, false, false); 58 59 copyFile (srcfile, testfile); 60 test (testfile, true, false); 61 62 copyFile (srcfile, testfile); 63 test (testfile, true, true); 64 65 // repeat test using a directory of files 66 67 File testdir= new File (workdir, "testdir"); 68 File srcdir= new File (workdir, "test3"); 69 70 copyDir (srcdir, testdir); 71 test (testdir, true, false); 72 73 } 74 75 // create a loader on jarfile (or directory) 76 // load a class , then look for a resource 77 // then close the loader 78 // check further new classes/resources cannot be loaded 79 // check jar (or dir) can be deleted 80 81 static void test (File file, boolean loadclass, boolean readall) 82 throws Exception 83 { 84 URL[] urls = new URL[] {file.toURL()}; 85 System.out.println ("Doing tests with URL: " + urls[0]); 86 URLClassLoader loader = new URLClassLoader (urls); 87 if (loadclass) { 88 Class testclass = loadClass ("com.foo.TestClass", loader, true); 89 } 90 InputStream s = loader.getResourceAsStream ("hello.txt"); 91 s.read(); 92 if (readall) { 93 while (s.read() != -1) ; 94 s.close(); 95 } 96 97 loader.close (); 98 99 // shouuld not find bye.txt now 100 InputStream s1 = loader.getResourceAsStream("bye.txt"); 101 if (s1 != null) { 102 throw new RuntimeException ("closed loader returned resource"); 103 } 104 105 // now check we can delete the path 106 rm_minus_rf (file); 107 System.out.println (" ... OK"); 108 } 109 }