1 /* 2 * Copyright (c) 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 8159855 27 * @summary test ToolProvider SPI 28 * @run main/othervm ToolProviderTest 29 */ 30 31 import java.io.File; 32 import java.io.IOException; 33 import java.io.PrintWriter; 34 import java.nio.file.Files; 35 import java.nio.file.Path; 36 import java.nio.file.Paths; 37 import java.util.Arrays; 38 import java.util.spi.ToolProvider; 39 40 public class ToolProviderTest { 41 public static void main(String... args) throws Exception { 42 ToolProviderTest t = new ToolProviderTest(); 43 t.run(); 44 } 45 46 void run() throws Exception { 47 initServices(); 48 49 System.out.println("test without security manager present:"); 50 test(); 51 52 System.setSecurityManager(new SecurityManager()); 53 54 System.out.println("test with security manager present:"); 55 test(); 56 } 57 58 private void test() throws Exception { 59 ToolProvider testProvider = ToolProvider.findFirst("test").get(); 60 int rc = testProvider.run(System.out, System.err, "hello test"); 61 if (rc != 0) { 62 throw new Exception("unexpected exit code: " + rc); 63 } 64 } 65 66 private void initServices() throws IOException { 67 Path testClasses = Paths.get(System.getProperty("test.classes")); 68 Path services = testClasses.resolve(Paths.get("META-INF", "services")); 69 Files.createDirectories(services); 70 Files.write(services.resolve(ToolProvider.class.getName()), 71 Arrays.asList(TestProvider.class.getName())); 72 } 73 74 public static class TestProvider implements ToolProvider { 75 public TestProvider() { 76 checkPrivileges(); 77 } 78 79 public String name() { 80 return "test"; 81 } 82 83 public int run(PrintWriter out, PrintWriter err, String... args) { 84 out.println("Test: " + Arrays.toString(args)); 85 return 0; 86 } 87 88 private void checkPrivileges() { 89 boolean haveSecurityManager = (System.getSecurityManager() != null); 90 try { 91 // validate appropriate privileges by checking access to a 92 // system property 93 System.getProperty("java.home"); 94 if (haveSecurityManager) { 95 throw new Error("exception exception not thrown"); 96 } 97 } catch (SecurityException e) { 98 if (!haveSecurityManager) { 99 throw new Error("unexpected exception: " + e); 100 } 101 } 102 } 103 } 104 } 105