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 version 2
11: * as published by the Free Software Foundation.
12: *
13: * Resin Open Source is distributed in the hope that it will be useful,
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
16: * of NON-INFRINGEMENT. See the GNU General Public License for more
17: * details.
18: *
19: * You should have received a copy of the GNU General Public License
20: * along with Resin Open Source; if not, write to the
21: *
22: * Free Software Foundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.jsf.cfg;
30:
31: import java.lang.reflect.*;
32: import java.util.*;
33:
34: import javax.el.*;
35:
36: import javax.faces.*;
37: import javax.faces.application.*;
38: import javax.faces.component.*;
39: import javax.faces.component.html.*;
40: import javax.faces.context.*;
41: import javax.faces.convert.*;
42: import javax.faces.el.*;
43: import javax.faces.event.*;
44: import javax.faces.validator.*;
45:
46: import javax.xml.bind.annotation.*;
47:
48: import com.caucho.config.*;
49: import com.caucho.config.types.*;
50: import com.caucho.util.*;
51:
52: public class PropertyValue implements AbstractValue {
53: private static final L10N L = new L10N(PropertyValue.class);
54:
55: private String _valueString;
56: private Class _type;
57:
58: private Object _value;
59:
60: private PropertyValue(String valueString, Class type) {
61: _valueString = valueString;
62: _type = type;
63: }
64:
65: public static AbstractValue create(String valueString, Class type) {
66: if (valueString.indexOf("#{") >= 0)
67: return new ELValue(valueString, type);
68: else
69: return new PropertyValue(valueString, type);
70: }
71:
72: public Object getValue(FacesContext context) {
73: if (_value != null)
74: return _value;
75: else if (_valueString == null)
76: return _valueString;
77: else {
78: Application app = context.getApplication();
79: Converter converter = app.createConverter(_type);
80:
81: if (converter != null) {
82: _value = converter.getAsObject(context, context
83: .getViewRoot(), _valueString);
84: } else {
85: if (!_type.isAssignableFrom(String.class))
86: throw new ConfigException(L.l(
87: "'{0}' cannot have a string value.", _type
88: .getName()));
89:
90: _value = _valueString;
91: }
92:
93: return _value;
94: }
95: }
96: }
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