jdk8-mips64-public/langtools: test/tools/javac/Paths/SameJVM.java@0ff2bbd38f10

7033660: Update copyright year to 2011 on any files changed in 2011
Reviewed-by: dholmes

     1 /*

     2  * Copyright (c) 2004, 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  */

    24 /*

    25  * Support routines to allow running `javac' or `jar' within the same JVM.

    26  */

    28 import java.io.*;

    29 import java.net.*;

    30 import java.lang.reflect.*;

    32 class SameJVM {

    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();

    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     }

    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 }

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