org.springframework.web.servlet.tags
Class EvalTag
java.lang.Object
javax.servlet.jsp.tagext.TagSupport
org.springframework.web.servlet.tags.RequestContextAwareTag
org.springframework.web.servlet.tags.HtmlEscapingAwareTag
org.springframework.web.servlet.tags.EvalTag
- All Implemented Interfaces:
- java.io.Serializable, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.Tag, javax.servlet.jsp.tagext.TryCatchFinally
public class EvalTag
- extends HtmlEscapingAwareTag
JSP tag for evaluating expressions with the Spring Expression Language (SpEL).
Supports the standard JSP evaluation context consisting of implicit variables and scoped attributes.
- Since:
- 3.0.1
- Author:
- Keith Donald, Juergen Hoeller
- See Also:
- Serialized Form
Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
id, 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 |
Method Summary |
int |
doEndTag()
|
int |
doStartTagInternal()
Called by doStartTag to perform the actual work. |
void |
setExpression(java.lang.String expression)
Set the expression to evaluate. |
void |
setJavaScriptEscape(java.lang.String javaScriptEscape)
Set JavaScript escaping for this tag, as boolean value. |
void |
setScope(java.lang.String scope)
Set the scope to export the evaluation result to. |
void |
setVar(java.lang.String var)
Set the variable name to expose the evaluation result under. |
Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
EvalTag
public EvalTag()
setExpression
public void setExpression(java.lang.String expression)
- Set the expression to evaluate.
setVar
public void setVar(java.lang.String var)
- Set the variable name to expose the evaluation result under.
Defaults to rendering the result to the current JspWriter.
setScope
public void setScope(java.lang.String scope)
- Set the scope to export the evaluation result to.
This attribute has no meaning unless var is also defined.
setJavaScriptEscape
public void setJavaScriptEscape(java.lang.String javaScriptEscape)
throws javax.servlet.jsp.JspException
- Set JavaScript escaping for this tag, as boolean value.
Default is "false".
- Throws:
javax.servlet.jsp.JspException
doStartTagInternal
public int doStartTagInternal()
throws javax.servlet.jsp.JspException
- Description copied from class:
RequestContextAwareTag
- Called by doStartTag to perform the actual work.
- Specified by:
doStartTagInternal
in class RequestContextAwareTag
- Returns:
- same as TagSupport.doStartTag
- Throws:
javax.servlet.jsp.JspException
- See Also:
TagSupport.doStartTag()
doEndTag
public int doEndTag()
throws javax.servlet.jsp.JspException
- Specified by:
doEndTag
in interface javax.servlet.jsp.tagext.Tag
- Overrides:
doEndTag
in class javax.servlet.jsp.tagext.TagSupport
- Throws:
javax.servlet.jsp.JspException