SjavacBase.java revision 3573:c4a18ee691c4 
1/*
2 * Copyright (c) 2014, 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
24import java.lang.reflect.Method;
25import java.util.Arrays;
26
27import toolbox.ToolBox;
28
29public class SjavacBase {
30
31    protected final static ToolBox toolbox = new ToolBox();
32
33    /**
34     * Utility method for invoking sjavac. Method accepts Objects as arguments
35     * (which are turned into Strings through Object::toString) to allow clients
36     * to pass for instance Path objects.
37     */
38    public static int compile(Object... args) throws ReflectiveOperationException {
39        // Use reflection to avoid a compile-time dependency on sjavac Main
40        System.out.println("compile: " + Arrays.toString(args));
41        Class<?> c = Class.forName("com.sun.tools.sjavac.Main");
42        Method m = c.getDeclaredMethod("go", String[].class);
43        String[] strArgs = new String[args.length];
44        for (int i = 0; i < args.length; i++)
45            strArgs[i] = args[i].toString();
46        int rc = (Integer) m.invoke(null, (Object) strArgs);
47        return rc;
48    }
49}
50