public class ExpressionEvaluatorManager extends Object
A conduit to the JSTL EL. Based on...
An implementation of the ExpressionEvaluatorManager called for by the JSTL rev1 draft. This class is responsible for delegating a request for expression evaluating to the particular, "active" ExpressionEvaluator for the given point in the PageContext object passed in.
Modifier and Type | Field and Description |
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static String |
EVALUATOR_CLASS |
Constructor and Description |
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ExpressionEvaluatorManager() |
Modifier and Type | Method and Description |
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static Object |
coerce(Object value,
Class classe)
Performs a type conversion according to the EL's rules.
|
static Object |
evaluate(String attributeName,
String expression,
Class expectedType,
javax.servlet.jsp.PageContext pageContext)
Invokes the evaluate() method on the "active" ExpressionEvaluator for the given pageContext.
|
static Object |
evaluate(String attributeName,
String expression,
Class expectedType,
javax.servlet.jsp.tagext.Tag tag,
javax.servlet.jsp.PageContext pageContext)
Invokes the evaluate() method on the "active" ExpressionEvaluator for the given pageContext.
|
static ExpressionEvaluator |
getEvaluatorByName(String name)
Deprecated.
|
static String |
validate(String attributeName,
String expression)
Validates an expression.
|
public static final String EVALUATOR_CLASS
public static Object evaluate(String attributeName, String expression, Class expectedType, javax.servlet.jsp.tagext.Tag tag, javax.servlet.jsp.PageContext pageContext) throws javax.servlet.jsp.JspException
javax.servlet.jsp.JspException
public static Object evaluate(String attributeName, String expression, Class expectedType, javax.servlet.jsp.PageContext pageContext) throws javax.servlet.jsp.JspException
javax.servlet.jsp.JspException
@Deprecated public static ExpressionEvaluator getEvaluatorByName(String name) throws javax.servlet.jsp.JspException
javax.servlet.jsp.JspException
public static Object coerce(Object value, Class classe) throws javax.servlet.jsp.JspException
javax.servlet.jsp.JspException
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