1/*
2 * Copyright (c) 1999, 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.jdi;
27
28import java.io.File;
29
30/**
31 * This class encapsulates platform-specific details of the
32 * structure of an SDK which has a JRE embedded in it.
33 */
34class SunSDK {
35    /**
36     * Returns the home directory of a Java 2 SDK if the current
37     * JRE is embedded in one.
38     */
39    static String home() {
40        File jreHome = new File(System.getProperty("java.home"));
41        File jreParent = new File(jreHome.getParent());
42
43        String jdwpLibName = "bin" + File.separator +
44                             System.mapLibraryName("jdwp");
45        File jdwpLib = new File(jreParent, jdwpLibName);
46        return jdwpLib.exists() ? jreParent.getAbsolutePath() : null;
47    }
48}
49