Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/Paths/SameJVM.java
test/tools/javac/Paths/SameJVM.java
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- 9a66ca7c79fa
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- 9d9f26857129
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| 1 /* | |
| 2 * Copyright 2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * Support routines to allow running `javac' or `jar' within the same JVM. | |
| 26 */ | |
| 27 | |
| 28 import java.io.*; | |
| 29 import java.net.*; | |
| 30 import java.lang.reflect.*; | |
| 31 | |
| 32 class SameJVM { | |
| 33 | |
| 34 private static ClassLoader toolsClassLoader() { | |
| 35 File javaHome = new File(System.getProperty("java.home")); | |
| 36 File classesDir = new File(javaHome, "classes"); | |
| 37 File libDir = new File(javaHome.getParentFile(), "lib"); | |
| 38 File toolsJar = new File(libDir, "tools.jar"); | |
| 39 try { | |
| 40 return new URLClassLoader( | |
| 41 new URL[] {classesDir.toURL(), toolsJar.toURL()}); | |
| 42 } catch (MalformedURLException e) { throw new AssertionError(e); } | |
| 43 } | |
| 44 private static final ClassLoader cl = toolsClassLoader(); | |
| 45 | |
| 46 static void javac(String... args) throws Exception { | |
| 47 Class c = Class.forName("com.sun.tools.javac.Main", true, cl); | |
| 48 int status = (Integer) | |
| 49 c.getMethod("compile", new Class[] {String[].class}) | |
| 50 .invoke(c.newInstance(), new Object[] {args}); | |
| 51 if (status != 0) | |
| 52 throw new Exception("javac failed: status=" + status); | |
| 53 } | |
| 54 | |
| 55 static void jar(String... args) throws Exception { | |
| 56 Class c = Class.forName("sun.tools.jar.Main", true, cl); | |
| 57 Object instance = c.getConstructor( | |
| 58 new Class[] {PrintStream.class, PrintStream.class, String.class}) | |
| 59 .newInstance(System.out, System.err, "jar"); | |
| 60 boolean result = (Boolean) | |
| 61 c.getMethod("run", new Class[] {String[].class}) | |
| 62 .invoke(instance, new Object[] {args}); | |
| 63 if (! result) | |
| 64 throw new Exception("jar failed"); | |
| 65 } | |
| 66 } |
