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 Scott Ferguson
28: */
29:
30: package com.caucho.jsp.el;
31:
32: import javax.el.ELContext;
33: import javax.servlet.jsp.el.ImplicitObjectELResolver;
34: import java.beans.FeatureDescriptor;
35: import java.util.Iterator;
36:
37: /**
38: * Variable resolution for JSP variables
39: */
40: public class ImplicitObjectELResolverImpl extends
41: ImplicitObjectELResolver {
42: @Override
43: public Class<String> getCommonPropertyType(ELContext context,
44: Object base) {
45: if (base == null)
46: return String.class;
47: else
48: return null;
49: }
50:
51: @Override
52: public Iterator<FeatureDescriptor> getFeatureDescriptors(
53: ELContext context, Object base) {
54: return null;
55: }
56:
57: @Override
58: public Class getType(ELContext context, Object base, Object property) {
59: Object value = getValue(context, base, property);
60:
61: if (value != null)
62: return value.getClass();
63: else
64: return null;
65: }
66:
67: @Override
68: public Object getValue(ELContext context, Object base,
69: Object property) {
70: return null;
71: }
72:
73: @Override
74: public boolean isReadOnly(ELContext context, Object base,
75: Object property) {
76: return true;
77: }
78:
79: @Override
80: public void setValue(ELContext context, Object base,
81: Object property, Object value) {
82: }
83: }
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