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Java > Open Source Codes > org > apache > struts > faces > taglib > HtmlTag


1 /*
2  * Copyright 2002-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.struts.faces.taglib;
18
19
20 import javax.faces.component.UIComponent;
21 import javax.servlet.jsp.JspException JavaDoc;
22 import javax.servlet.jsp.PageContext JavaDoc;
23 import org.apache.struts.Globals;
24
25
26 /**
27  * <p>Render an HTML <code>&lt;html&gt;</code> element for
28  * the <em>Struts-Faces Integration Library</em>.</p>
29  *
30  * @version $Rev: 54934 $ $Date: 2004-10-16 18:07:50 +0100 (Sat, 16 Oct 2004) $
31  */
32
33 public class HtmlTag extends AbstractFacesTag {
34
35
36     // ---------------------------------------------------------- Tag Attributes
37
38
39     /**
40      * <p>Set a locale if not set yet.</p>
41      */
42     private String JavaDoc locale = null;
43
44     public void setLocale(String JavaDoc locale) {
45         this.locale = locale;
46     }
47
48
49     /**
50      * <p>Render Struts HTML tags as xhtml.</p>
51      */
52     private String JavaDoc xhtml = null;
53
54     public void setXhtml(String JavaDoc xhtml) {
55         this.xhtml = xhtml;
56     }
57
58
59     // ---------------------------------------------------------- Public Methods
60
61
62     /**
63      * <p>Return the type of component to be created for this tag.</p>
64      */
65     public String JavaDoc getComponentType() {
66
67         return ("org.apache.struts.faces.Html");
68
69     }
70
71
72     /**
73      * <p>Override <code>doStartTag()</code> method to also set a page
74      * context attribute if <code>xhtml</code> is <code>>true</code>.</p>
75      */
76     public int doStartTag() throws JspException JavaDoc {
77
78         int result = super.doStartTag();
79         if (xhtml != null) {
80             pageContext.setAttribute(Globals.XHTML_KEY, "true",
81                                      PageContext.PAGE_SCOPE);
82         }
83         return (result);
84
85     }
86
87
88     /**
89      * <p>Return the <code>rendererType</code> to be used for rendering
90      * our component.</p>
91      */
92     public String JavaDoc getRendererType() {
93
94         return ("org.apache.struts.faces.Html");
95
96     }
97
98
99     /**
100      * <p>Release resources allocated to this tag instance.</p>
101      */
102     public void release() {
103
104         super.release();
105         this.locale = null;
106         this.xhtml = null;
107
108     }
109
110
111     // ------------------------------------------------------- Protected Methods
112
113
114     /**
115      * <p>Override attributes set on this tag instance.</p>
116      *
117      * @param component Component whose attributes should be overridden
118      */
119     protected void setProperties(UIComponent component) {
120
121         super.setProperties(component);
122         setBooleanAttribute(component, "locale", locale);
123         setBooleanAttribute(component, "xhtml", xhtml);
124
125     }
126
127
128 }
129
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