1 ////////////////////////////////////////////////////////////////////////////////
2 // MillScript: an Open Spice interpreter and batch website creation tool
3 // Copyright (C) 2005 Kevin Rogers
4 //
5 // This file is part of MillScript.
6 //
7 // MillScript is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 2 of the License, or (at your option)
10 // any later version.
11 //
12 // MillScript is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 // more details.
16 //
17 // You should have received a copy of the GNU General Public License along with
18 // MillScript; if not, write to the Free Software Foundation, Inc., 59 Temple
19 // Place, Suite 330, Boston, MA 02111-1307 USA
20 ////////////////////////////////////////////////////////////////////////////////
21 package org.millscript.millscript.conf.functions;
22
23 import org.millscript.millscript.alert.Alerts;
24 import org.millscript.millscript.functions.Function;
25 import org.millscript.millscript.vm.Machine;
26
27
28 /**
29 * This class implements the configuration function <code>AddLoader</code>.
30 */
31 public final class AddLoaderFunction extends Function {
32
33 /**
34 * @see org.millscript.millscript.functions.Function#apply(org.millscript.millscript.vm.Machine, int)
35 */
36 @Override
37 public void apply( final Machine mc, final int nargs ) {
38 checkNargs( mc, 2, nargs );
39 final String loaderClassName = mc.popString();
40 final String loaderFileExtension = mc.popString();
41 try {
42 // Get the loader Class object for the configuration entry and
43 // return it.
44 final Class loaderClass = Class.forName( loaderClassName );
45 // Bind the loader to the file extension
46 mc.getConfig().getLoaderBuilder().addLoader( loaderFileExtension, loaderClass );
47 } catch ( ClassNotFoundException e ) {
48 throw(
49 Alerts.fault(
50 "Loader class not found"
51 ).culprit( "class", loaderClassName ).mishap()
52 );
53 }
54 }
55
56 }