Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/Paths/SameJVM.java@0ff2bbd38f10 (annotated)
test/tools/javac/Paths/SameJVM.java
Wed, 06 Apr 2011 20:33:44 -0700
- author
- ohair
- date
- Wed, 06 Apr 2011 20:33:44 -0700
- changeset 962
- 0ff2bbd38f10
- parent 554
- 9d9f26857129
- child 2525
- 2eb010b6cb22
- permissions
- -rw-r--r--
7033660: Update copyright year to 2011 on any files changed in 2011
Reviewed-by: dholmes
| duke@1 | 1 | /* |
| ohair@554 | 2 | * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved. |
| duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@1 | 4 | * |
| duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@1 | 7 | * published by the Free Software Foundation. |
| duke@1 | 8 | * |
| duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@1 | 13 | * accompanied this code). |
| duke@1 | 14 | * |
| duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@1 | 18 | * |
| ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
| ohair@554 | 21 | * questions. |
| duke@1 | 22 | */ |
| duke@1 | 23 | |
| duke@1 | 24 | /* |
| duke@1 | 25 | * Support routines to allow running `javac' or `jar' within the same JVM. |
| duke@1 | 26 | */ |
| duke@1 | 27 | |
| duke@1 | 28 | import java.io.*; |
| duke@1 | 29 | import java.net.*; |
| duke@1 | 30 | import java.lang.reflect.*; |
| duke@1 | 31 | |
| duke@1 | 32 | class SameJVM { |
| duke@1 | 33 | |
| duke@1 | 34 | private static ClassLoader toolsClassLoader() { |
| duke@1 | 35 | File javaHome = new File(System.getProperty("java.home")); |
| duke@1 | 36 | File classesDir = new File(javaHome, "classes"); |
| duke@1 | 37 | File libDir = new File(javaHome.getParentFile(), "lib"); |
| duke@1 | 38 | File toolsJar = new File(libDir, "tools.jar"); |
| duke@1 | 39 | try { |
| duke@1 | 40 | return new URLClassLoader( |
| duke@1 | 41 | new URL[] {classesDir.toURL(), toolsJar.toURL()}); |
| duke@1 | 42 | } catch (MalformedURLException e) { throw new AssertionError(e); } |
| duke@1 | 43 | } |
| duke@1 | 44 | private static final ClassLoader cl = toolsClassLoader(); |
| duke@1 | 45 | |
| duke@1 | 46 | static void javac(String... args) throws Exception { |
| duke@1 | 47 | Class c = Class.forName("com.sun.tools.javac.Main", true, cl); |
| duke@1 | 48 | int status = (Integer) |
| duke@1 | 49 | c.getMethod("compile", new Class[] {String[].class}) |
| duke@1 | 50 | .invoke(c.newInstance(), new Object[] {args}); |
| duke@1 | 51 | if (status != 0) |
| duke@1 | 52 | throw new Exception("javac failed: status=" + status); |
| duke@1 | 53 | } |
| duke@1 | 54 | |
| duke@1 | 55 | static void jar(String... args) throws Exception { |
| duke@1 | 56 | Class c = Class.forName("sun.tools.jar.Main", true, cl); |
| duke@1 | 57 | Object instance = c.getConstructor( |
| duke@1 | 58 | new Class[] {PrintStream.class, PrintStream.class, String.class}) |
| duke@1 | 59 | .newInstance(System.out, System.err, "jar"); |
| duke@1 | 60 | boolean result = (Boolean) |
| duke@1 | 61 | c.getMethod("run", new Class[] {String[].class}) |
| duke@1 | 62 | .invoke(instance, new Object[] {args}); |
| duke@1 | 63 | if (! result) |
| duke@1 | 64 | throw new Exception("jar failed"); |
| duke@1 | 65 | } |
| duke@1 | 66 | } |
