01: /*
02: * @(#)findPackage.java 1.2 04/12/06
03: *
04: * Copyright (c) 1997-2004 Sun Microsystems, Inc. All Rights Reserved.
05: *
06: * See the file "LICENSE.txt" for information on usage and redistribution
07: * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
08: */
09: package org.pnuts.lib;
10:
11: import pnuts.lang.Context;
12: import pnuts.lang.Package;
13: import pnuts.lang.PnutsFunction;
14:
15: public class findPackage extends PnutsFunction {
16:
17: public findPackage() {
18: super ("findPackage");
19: }
20:
21: public boolean defined(int narg) {
22: return narg == 1;
23: }
24:
25: protected Object exec(Object[] args, Context context) {
26: if (args.length == 1) {
27: return Package.find((String) args[0], context);
28: } else {
29: undefined(args, context);
30: return null;
31: }
32: }
33:
34: public String toString() {
35: return "findPackage(packageName)";
36: }
37: }
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