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########################################################################
##
## Copyright (C) 2007-2025 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## This file is part of Octave.
##
## Octave 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 3 of the License, or
## (at your option) any later version.
##
## Octave 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 Octave; see the file COPYING. If not, see
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {} javaclasspath ()
## @deftypefnx {} {@var{dpath} =} javaclasspath ()
## @deftypefnx {} {[@var{dpath}, @var{spath}] =} javaclasspath ()
## @deftypefnx {} {@var{clspath} =} javaclasspath (@var{what})
## Return the class path of the Java virtual machine in the form of a cell
## array of strings.
##
## If called with no inputs:
##
## @itemize
## @item If no output is requested, the dynamic and static classpaths are
## printed to the standard output.
##
## @item If one output value @var{dpath} is requested, the result is the
## dynamic classpath.
##
## @item If two output values@var{dpath} and @var{spath} are requested, the
## first variable will contain the dynamic classpath and the second will
## contain the static classpath.
## @end itemize
##
## If called with a single input parameter @var{what}:
##
## @table @asis
## @item @qcode{"-dynamic"}
## Return the dynamic classpath.
##
## @item @qcode{"-static"}
## Return the static classpath.
##
## @item @qcode{"-all"}
## Return both the static and dynamic classpath in a single cellstr.
## @end table
## @seealso{javaaddpath, javarmpath}
## @end deftypefn
function [path1, path2] = javaclasspath (what = "")
## dynamic classpath
dynamic_path = javaMethod ("getClassPath", "org.octave.ClassHelper");
dynamic_path_list = ostrsplit (dynamic_path, pathsep ());
## static classpath
static_path = javaMethod ("getProperty",
"java.lang.System", "java.class.path");
static_path_list = ostrsplit (static_path, pathsep ());
if (numel (static_path_list) > 1)
## remove first element (which is .../octave.jar)
static_path_list(1) = [];
else
static_path_list = {};
endif
if (nargout == 0)
if (! nargin)
what = "-all";
endif
switch (lower (what))
case "-dynamic", disp_path_list ("DYNAMIC", dynamic_path_list);
case "-static", disp_path_list ("STATIC", static_path_list);
case "-all"
disp_path_list ("STATIC", static_path_list);
disp ("");
disp_path_list ("DYNAMIC", dynamic_path_list);
otherwise
error ("javaclasspath: invalid value for WHAT");
endswitch
else
if (! nargin)
## This is to allow retrieval of both paths in separate variables with
## a single call to javaclasspath(). Matlab returns only the -dynamic
## path in this case but this won't break compatibility.
path1 = cellstr (dynamic_path_list);
path2 = cellstr (static_path_list);
else
switch (lower (what))
case "-all", path1 = cellstr ([static_path_list,dynamic_path_list]);
case "-dynamic", path1 = cellstr (dynamic_path_list);
case "-static", path1 = cellstr (static_path_list);
otherwise
error ("javaclasspath: invalid value for WHAT");
endswitch
endif
endif
endfunction
## Display cell array of paths
function disp_path_list (what, path_list)
printf (" %s JAVA PATH\n\n", what);
if (numel (path_list) > 0)
printf (" %s\n", path_list{:});
else
printf (" - empty -\n");
endif
endfunction
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