Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
UIComponentELTag |
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| 1.5714285714285714;1.571 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, | |
13 | * software distributed under the License is distributed on an | |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
15 | * KIND, either express or implied. See the License for the | |
16 | * specific language governing permissions and limitations | |
17 | * under the License. | |
18 | */ | |
19 | package javax.faces.webapp; | |
20 | ||
21 | import javax.el.ValueExpression; | |
22 | import javax.faces.application.Application; | |
23 | import javax.faces.component.UIComponent; | |
24 | import javax.faces.context.FacesContext; | |
25 | import javax.servlet.jsp.JspException; | |
26 | ||
27 | /** | |
28 | * Base class for all JSP tags that represent a JSF UIComponent. | |
29 | * <p> | |
30 | * <i>Disclaimer</i>: The official definition for the behaviour of this class is the JSF specification but for legal | |
31 | * reasons the specification cannot be replicated here. Any javadoc present on this class therefore describes the | |
32 | * current implementation rather than the officially required behaviour, though it is believed that this class does | |
33 | * comply with the specification. | |
34 | * | |
35 | * see Javadoc of <a href="http://java.sun.com/j2ee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a> for | |
36 | * more. | |
37 | * | |
38 | * @since 1.2 | |
39 | */ | |
40 | public abstract class UIComponentELTag extends UIComponentClassicTagBase | |
41 | { | |
42 | ||
43 | 0 | private ValueExpression _binding = null; |
44 | 0 | private ValueExpression _rendered = null; |
45 | ||
46 | public UIComponentELTag() | |
47 | 0 | { |
48 | ||
49 | 0 | } |
50 | ||
51 | @Override | |
52 | public void release() | |
53 | { | |
54 | 0 | super.release(); |
55 | 0 | _binding = null; |
56 | 0 | _rendered = null; |
57 | 0 | } |
58 | ||
59 | @Override | |
60 | protected void setProperties(UIComponent component) | |
61 | { | |
62 | 0 | if (getRendererType() != null) |
63 | { | |
64 | 0 | component.setRendererType(getRendererType()); |
65 | } | |
66 | ||
67 | 0 | if (_rendered != null) |
68 | { | |
69 | 0 | if (_rendered.isLiteralText()) |
70 | { | |
71 | 0 | boolean b = Boolean.valueOf(_rendered.getExpressionString()).booleanValue(); |
72 | 0 | component.setRendered(b); |
73 | 0 | } |
74 | else | |
75 | { | |
76 | 0 | component.setValueExpression("rendered", _rendered); |
77 | } | |
78 | } | |
79 | 0 | } |
80 | ||
81 | @Override | |
82 | protected UIComponent createComponent(FacesContext context, String newId) throws JspException | |
83 | { | |
84 | UIComponent component; | |
85 | 0 | Application application = context.getApplication(); |
86 | ||
87 | 0 | if (_binding != null) |
88 | { | |
89 | 0 | component = application.createComponent(_binding, context, getComponentType()); |
90 | 0 | component.setValueExpression("binding", _binding); |
91 | } | |
92 | else | |
93 | { | |
94 | 0 | component = application.createComponent(getComponentType()); |
95 | } | |
96 | ||
97 | 0 | component.setId(newId); |
98 | 0 | setProperties(component); |
99 | ||
100 | 0 | return component; |
101 | } | |
102 | ||
103 | /** | |
104 | * @throws JspException | |
105 | */ | |
106 | public void setBinding(ValueExpression binding) throws JspException | |
107 | { | |
108 | 0 | _binding = binding; |
109 | 0 | } |
110 | ||
111 | @Override | |
112 | protected boolean hasBinding() | |
113 | { | |
114 | 0 | return _binding != null; |
115 | } | |
116 | ||
117 | public void setRendered(ValueExpression rendered) | |
118 | { | |
119 | 0 | _rendered = rendered; |
120 | 0 | } |
121 | } |