Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / java-1.2.8 / javaaddpath.m

diff --git a/octave_packages/java-1.2.8/javaaddpath.m b/octave_packages/java-1.2.8/javaaddpath.m
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+## Copyright (C) 2007 Michael Goffioul
+## Copyright (C) 2010 Martin Hepperle
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function file} {} javaaddpath (@var{path})
+##
+## Adds @var{path} to the dynamic class path of the Java virtual
+## machine. @var{path} can be either a directory where .class files
+## can be found, or a .jar file containing Java classes.
+##
+## @end deftypefn
+## @seealso{javaclasspath}
+
+function javaaddpath (class_path)
+
+  if (nargin != 1)
+    print_usage ();
+  else
+    % MH 30-08-2010: added tilde_expand to allow for specification of user's home
+    new_path = canonicalize_file_name (tilde_expand (class_path));
+    if (exist (new_path, "dir"))
+      if (! strcmp (new_path (end), filesep))
+        new_path = [new_path, filesep];
+      endif
+    elseif (! exist (new_path, "file"))
+      error ("invalid Java classpath: %s", class_path);
+    endif
+    success = java_invoke ("org.octave.ClassHelper", "addClassPath", new_path);
+  endif 
+   
+endfunction