01: /*
02: * Copyright (c) 1998-2003 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 Scott Ferguson
28: */
29:
30: package javax.el;
31:
32: import java.util.HashMap;
33: import java.util.Locale;
34:
35: /**
36: * ELContext a context for EL resolution.
37: */
38: public abstract class ELContext {
39: private HashMap<Class, Object> _contextMap = new HashMap<Class, Object>();
40:
41: private Locale _locale;
42:
43: private boolean _isPropertyResolved;
44:
45: public ELContext() {
46: }
47:
48: public Object getContext(Class key) {
49: if (key == null)
50: throw new NullPointerException();
51: else
52: return _contextMap.get(key);
53: }
54:
55: abstract public ELResolver getELResolver();
56:
57: abstract public FunctionMapper getFunctionMapper();
58:
59: public Locale getLocale() {
60: return _locale;
61: }
62:
63: abstract public VariableMapper getVariableMapper();
64:
65: public boolean isPropertyResolved() {
66: return _isPropertyResolved;
67: }
68:
69: public void putContext(Class key, Object contextObject) {
70: if (key == null)
71: throw new NullPointerException();
72:
73: _contextMap.put(key, contextObject);
74: }
75:
76: public void setLocale(Locale locale) {
77: _locale = locale;
78: }
79:
80: public void setPropertyResolved(boolean resolved) {
81: _isPropertyResolved = resolved;
82: }
83: }
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