1 ////////////////////////////////////////////////////////////////////////////////
2 // MillScript: an Open Spice interpreter and batch website creation tool
3 // Copyright (C) 2001-2004 Open World Ltd
4 // Copyright (C) 2005 Kevin Rogers
5 //
6 // This file is part of MillScript.
7 //
8 // MillScript is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU General Public License as published by the Free
10 // Software Foundation; either version 2 of the License, or (at your option)
11 // any later version.
12 //
13 // MillScript is distributed in the hope that it will be useful, but WITHOUT
14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 // more details.
17 //
18 // You should have received a copy of the GNU General Public License along with
19 // MillScript; if not, write to the Free Software Foundation, Inc., 59 Temple
20 // Place, Suite 330, Boston, MA 02111-1307 USA
21 ////////////////////////////////////////////////////////////////////////////////
22 package org.millscript.millscript.functions;
23
24 import org.millscript.millscript.alert.Alerts;
25 import org.millscript.millscript.vm.Machine;
26
27 /**
28 * This class implements the MillScript <code>javaRecognizer</code> function.
29 */
30 public final class JavaRecognizerFunction extends Function {
31
32 /**
33 * @see org.millscript.millscript.functions.Function#apply(org.millscript.millscript.vm.Machine, int)
34 */
35 @Override
36 public void apply( final Machine mc, final int nargs ) {
37 checkNargs( mc, 1, nargs );
38 String s = mc.popString();
39 int n = s.lastIndexOf( '.' );
40 String name = "is" + ( n == -1 ? s : s.substring( n + 1 ) );
41
42 try {
43 Class c = Class.forName( s );
44 mc.pushObject( new JRecognizer( c ).modName( name ) );
45 } catch ( ClassNotFoundException ex ) {
46 throw(
47 Alerts.eval(
48 "Cannot find a class by this name",
49 null
50 ).culprit( "class name", s ).mishap()
51 );
52 }
53 }
54
55 }