01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Nam Nguyen
28: */
29:
30: package com.caucho.quercus.env;
31:
32: import java.util.HashMap;
33: import java.util.Set;
34: import java.util.Map.Entry;
35:
36: /**
37: * Handles Java function overloading.
38: */
39: public class FunctionMap {
40: private HashMap<String, AbstractJavaMethod> _funMap;
41:
42: public FunctionMap() {
43: _funMap = new HashMap<String, AbstractJavaMethod>();
44: }
45:
46: public AbstractJavaMethod getFunction(String name) {
47: return _funMap.get(name);
48: }
49:
50: public void addFunction(String name, AbstractJavaMethod fun) {
51: AbstractJavaMethod oldFun = _funMap.get(name);
52:
53: if (oldFun == null)
54: _funMap.put(name, fun);
55: else
56: _funMap.put(name, oldFun.overload(fun));
57: }
58:
59: public Set<Entry<String, AbstractJavaMethod>> entrySet() {
60: return _funMap.entrySet();
61: }
62:
63: public Set<String> keySet() {
64: return _funMap.keySet();
65: }
66: }
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