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1 package org.ajaxanywhere.jsf;
2
3 import javax.faces.application.Application;
4 import javax.faces.component.UIComponent;
5 import javax.faces.context.FacesContext;
6 import javax.faces.el.ValueBinding;
7 import javax.faces.webapp.UIComponentBodyTag;
8 import javax.faces.webapp.UIComponentTag;
9 import javax.servlet.jsp.JspException  ;
10 import javax.servlet.jsp.PageContext ;
11 import javax.servlet.jsp.tagext.BodyContent ;
12 import javax.servlet.jsp.tagext.BodyTag ;
13 import javax.servlet.jsp.tagext.Tag ;
14
15
20 public class ZoneJSFTag implements Tag, BodyTag {
21 public String id;
22 private String idSuffix;
23
24 private static final String COMPONENT_TYPE = "org.ajaxanywhere.ZoneUIComponent";
25 private UIComponentBodyTag uiComponentBodyTag;
26
27
28 public ZoneJSFTag() {
29 uiComponentBodyTag = new UIComponentBodyTag() {
30
31 private String idSuffix;
32
33 public String getComponentType() {
34 return COMPONENT_TYPE;
35 }
36
37 public String getRendererType() {
38 return null;
39 }
40
41 protected void setProperties(UIComponent component) {
42 super.setProperties(component);
43 setValueBindingProperty(component, "idSuffix", idSuffix);
44 }
45
46 protected UIComponent findComponent(FacesContext context) throws JspException {
47 return super.findComponent(context);
48 }
49
50 void setValueBindingProperty(UIComponent component, String attrName, String value)
51 {
52 if (value==null) return;
53
54 if (!UIComponentTag.isValueReference(value))
55 {
56 throw new IllegalArgumentException ("idSuffix must be an EL expression!");
57 }
58 else
59 {
60 component.setValueBinding(attrName, createValueBinding(value));
61 }
62 }
63
64 ValueBinding createValueBinding(String value)
65 {
66 FacesContext ctx = FacesContext.getCurrentInstance();
67 Application app = ctx.getApplication();
68 return app.createValueBinding(value);
69 }
70
71 public String getIdSuffix() {
72 return idSuffix;
73 }
74
75 public void setIdSuffix(String idSuffix) {
76 this.idSuffix = idSuffix;
77 }
78 };
79 }
80
81 public void release() {
82 id = null;
83 idSuffix = null;
84 uiComponentBodyTag.release();
85 }
86
87 public String getId() {
88 return id;
89 }
90
91 public void setPageContext(PageContext pageContext) {
92 id = null;
93 idSuffix = null;
94 uiComponentBodyTag.setPageContext(pageContext);
95 }
96
97 public Tag getParent() {
98 return uiComponentBodyTag.getParent();
99 }
100
101 public void setParent(Tag parent) {
102 uiComponentBodyTag.setParent(parent);
103 }
104
105 public int doStartTag() throws JspException {
106 return uiComponentBodyTag.doStartTag();
107 }
108
109 public int doEndTag() throws JspException {
110 return uiComponentBodyTag.doEndTag();
111 }
112
113
114 public int doAfterBody() throws JspException {
115 return uiComponentBodyTag.doAfterBody();
116 }
117
118 public void doInitBody() throws JspException {
119 uiComponentBodyTag.doInitBody();
120 }
121
122
123 public void setBodyContent(BodyContent bodyContent) {
124 uiComponentBodyTag.setBodyContent(bodyContent);
125 }
126
127
134 public void setId(String id) {
135 this.id = id;
136 uiComponentBodyTag.setId(id);
137 }
138
139 public String getIdSuffix() {
140 return idSuffix;
141 }
142
143
150 public void setIdSuffix(String idSuffix) {
151 this.idSuffix = idSuffix;
152 try {
153 uiComponentBodyTag.getClass().getMethod("setIdSuffix", new Class [] { String .class }).invoke(uiComponentBodyTag, new Object [] { idSuffix });
154 } catch (Exception e) {
155 IllegalStateException ise = new IllegalStateException ("Couldn't invoke setDynamicId on inner class");
156 ise.initCause(e);
157 throw ise;
158 }
159 }
160 }
161 |
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