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java.lang.Objectjavax.servlet.jsp.tagext.TagSupport
org.apache.struts.taglib.bean.PageTag
org.apache.strutsel.taglib.bean.ELPageTag
Define a scripting variable that exposes the requested page context item as a scripting variable and a page scope bean.
This class is a subclass of the class
org.apache.struts.taglib.bean.PageTag
which provides most of
the described functionality. This subclass allows all attribute values to
be specified as expressions utilizing the JavaServer Pages Standard Library
expression language.
Field Summary | |
private java.lang.String |
idExpr
Instance variable mapped to "id" tag attribute. |
private java.lang.String |
propertyExpr
Instance variable mapped to "property" tag attribute. |
Fields inherited from class org.apache.struts.taglib.bean.PageTag |
id, messages, property |
Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
pageContext |
Fields inherited from interface javax.servlet.jsp.tagext.IterationTag |
EVAL_BODY_AGAIN |
Fields inherited from interface javax.servlet.jsp.tagext.Tag |
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE |
Constructor Summary | |
ELPageTag()
|
Method Summary | |
int |
doStartTag()
Process the start tag. |
private void |
evaluateExpressions()
Processes all attribute values which use the JSTL expression evaluation engine to determine their values. |
java.lang.String |
getIdExpr()
Getter method for "id" tag attribute. |
java.lang.String |
getPropertyExpr()
Getter method for "property" tag attribute. |
void |
release()
Resets attribute values for tag reuse. |
void |
setIdExpr(java.lang.String idExpr)
Setter method for "id" tag attribute. |
void |
setPropertyExpr(java.lang.String propertyExpr)
Setter method for "property" tag attribute. |
Methods inherited from class org.apache.struts.taglib.bean.PageTag |
getId, getProperty, setId, setProperty |
Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
doAfterBody, doEndTag, findAncestorWithClass, getParent, getValue, getValues, removeValue, setPageContext, setParent, setValue |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private java.lang.String idExpr
private java.lang.String propertyExpr
Constructor Detail |
public ELPageTag()
Method Detail |
public java.lang.String getIdExpr()
public java.lang.String getPropertyExpr()
public void setIdExpr(java.lang.String idExpr)
public void setPropertyExpr(java.lang.String propertyExpr)
public void release()
public int doStartTag() throws javax.servlet.jsp.JspException
javax.servlet.jsp.JspException
- if a JSP exception has occurredprivate void evaluateExpressions() throws javax.servlet.jsp.JspException
javax.servlet.jsp.JspException
- if a JSP exception has occurred
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