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annotate scripts/deprecated/java_get.m @ 17478:b8ecdb6ce2f8

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assert.m: Speed up function by ~16% by not pre-calculating warning message. * scripts/testfun/assert.m: Don't pre-calculate "in" warning message since it is only used a small fraction of the time when there is an actual error.
author Rik <rik@octave.org>
date Mon, 23 Sep 2013 13:43:23 -0700
parents 8056d0e36bef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15786
2a2c090fdef8 Fix Copyright statement on new functions in scripts/deprecated.
Rik <rik@octave.org>
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1 ## Copyright (C) 2012 Rik Wehbring
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Loadable Function} {@var{val} =} java_get (@var{obj}, @var{name})
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21 ## Get the value of the field @var{name} of the Java object @var{obj}. For
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22 ## static fields, @var{obj} can be a string representing the fully qualified
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23 ## name of the corresponding class.
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24 ##
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25 ## When @var{obj} is a regular Java object, structure-like indexing can be
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26 ## used as a shortcut syntax. For instance, the two following statements are
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27 ## equivalent
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28 ##
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29 ## @example
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30 ## @group
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31 ## java_get (x, "field1")
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32 ## x.field1
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33 ## @end group
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34 ## @end example
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35 ##
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8056d0e36bef doc: First pass at updating Java documentation.
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36 ## @seealso{java_set, javaMethod, javaObject}
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37 ## @end deftypefn
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38
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39 function retval = java_get (obj, name)
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40
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41 persistent warned = false;
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42 if (! warned)
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43 warned = true;
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44 warning ("Octave:deprecated-function",
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45 "java_get is obsolete and will be removed from a future version of Octave; use structure-like indexing instead");
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46 endif
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47
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48 if (nargin != 2)
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49 print_usage ();
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50 endif
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51
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52 if (isjava (obj))
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53 retval = obj.(name);
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54 elseif (ischar (obj))
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55 ## FIXME: Need a solution for getting static fields of class
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56 ## which does not depend on __java_get__ which will be removed.
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57 retval = __java_get__ (obj, name);
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58 else
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59 error ("java_get: OBJ must be a Java object");
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60 endif
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61
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62 endfunction
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63