/*
Copyright (c) 2001-2005 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the above
copyright notice and the following two paragraphs appear in all copies
of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.
PT_COPYRIGHT_VERSION_2
COPYRIGHTENDKEY
*/
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URI;
/** Given the pathname to the matlab executable, return
the pathname to the Matlab installation.
Under Matlab 5.3.0, if the matlab executable is found
at matlabr11/bin/matlab.exe, then the top level
directory is matlabr11, and the matlab includes
can be found at
matlabr11/extern/include/...
<p>Under Matlab 6.0, if the matlab executable is found
at matlabr12/bin/win32/matlab.exe, then the top
level directory would be matlabr12, and the
matlab includes would be found at
matlabr12/extern/include/...
@author Christopher Hylands
@version $Id$
@since Ptolemy II 2.0
@Pt.ProposedRating Green (cxh)
@Pt.AcceptedRating Red
*/
public class MatlabRootDirectory {
public static void main(String[] args) throws IOException {
try {
System.out.print(_getMatlabRootDirectory(args[0]));
} catch (Exception exception) {
System.err.print("MatlabRootDirectory.main(): " + exception);
}
}
///////////////////////////////////////////////////////////////////
//// private methods ////
// Given the pathname to the matlab executable, return the path name
// of the Matlab directory.
private static String _getMatlabRootDirectory(String matlabExecutable)
throws Exception {
// Return the directory above the bin/ directory in
// the path to the matlab executable
// Under Solaris, we might pass this:
// /usr/sww/bin/matlab
// Under Windows:
// /cygdrive/c/matlab6p1/bin/win32/matlab
if (File.separatorChar == '\\') {
// We are under Windows. Messing with cygdrive paths
// is just too complex. Autoconf will pass in something
// that starts with /cygdrive/c, which Java will not
// know how to interpret
// We could use java.io.File here, but the problem is that
// if we pass in /cygwin/c/ptII/bin/matlab, then
// the name we will return will be \cygwin\c\ptII, which
// will cause problems with the backslash when we do
// 'if test -d \cygwin\c\ptII'
// We could call cygpath -m and pass in the results, but
// cygpath -m does not work in the version of Cygwin that
// we shipped with Ptolemy II 2.0.1
_checkForBin(matlabExecutable);
return matlabExecutable.substring(0,
matlabExecutable.lastIndexOf("/bin/"));
}
// matlabExecutable might be a symbolic link, so dereference it.
File matlabFile = new File(matlabExecutable);
String matlabCanonicalPath = matlabFile.getCanonicalPath();
_checkForBin(matlabCanonicalPath);
return matlabCanonicalPath.substring(0,
matlabCanonicalPath.lastIndexOf("/bin/"));
}
// Throw an exception if the path does not contain /bin/
private static void _checkForBin(String path) throws Exception {
if (path.indexOf("/bin/") == -1) {
throw new Exception("Cannot determine Matlab directory: '" + path
+ "' does not contain " + "/bin/");
}
}
}