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Java > Open Source Codes > com > jcorporate > expresso > ext > taglib > ExpressoBodyTagSupport


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61  * Portions of this software are based upon other open source
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64
65 package com.jcorporate.expresso.ext.taglib;
66
67 import com.jcorporate.expresso.core.controller.ControllerResponse;
68
69 import javax.servlet.jsp.JspException JavaDoc;
70 import javax.servlet.jsp.PageContext JavaDoc;
71 import javax.servlet.jsp.tagext.BodyTagSupport JavaDoc;
72 import javax.servlet.jsp.tagext.Tag JavaDoc;
73 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
74
75
76 /**
77  * @author Shash Chatterjee
78  */
79 public abstract class ExpressoBodyTagSupport
80         extends BodyTagSupport JavaDoc {
81     protected ControllerResponse ctlrResp = null;
82     protected java.lang.String JavaDoc response = null;
83
84     public ExpressoBodyTagSupport() {
85         super();
86     }
87
88     protected TagSupport JavaDoc getAncestor(String JavaDoc className)
89             throws JspException JavaDoc {
90         Class JavaDoc klass = null;
91
92         try {
93             klass = Class.forName(className);
94         } catch (ClassNotFoundException JavaDoc ex) {
95             throw new JspException JavaDoc(ex.getMessage());
96         }
97
98         return (TagSupport JavaDoc) findAncestorWithClass(this, klass);
99     }
100
101     protected Tag JavaDoc getContainer()
102             throws JspException JavaDoc {
103         Tag JavaDoc parent = this;
104
105         while ((parent = parent.getParent()) != null) {
106             if ((parent instanceof BlockTag) ||
107                     (parent instanceof ElementIterator) ||
108                     (parent instanceof OutputTag)) {
109                 return parent;
110             }
111         }
112
113         return null;
114     }
115
116     protected void getControllerResponse() {
117         if (response == null || "".equals(response)) {
118             response = "controllerResponse";
119         }
120
121         ctlrResp = (ControllerResponse) pageContext.getAttribute(response,
122                 PageContext.REQUEST_SCOPE);
123     }
124
125     public java.lang.String JavaDoc getResponse() {
126         return response;
127     }
128
129     public void setResponse(java.lang.String JavaDoc newResponse) {
130         response = newResponse;
131     }
132 } /* ExpressoBodyTagSupport */
133
134 /* ExpressoBodyTagSupport */
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