01: /*
02: * Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.tools.jdi;
27:
28: import 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: */
34: class 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: }
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