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java.lang.Objectorg.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager
public class ExpressionEvaluatorManager
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.
Field Summary | |
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static String |
EVALUATOR_CLASS
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Constructor Summary | |
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ExpressionEvaluatorManager()
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Method Summary | |
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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,
PageContext pageContext)
Invokes the evaluate() method on the "active" ExpressionEvaluator for the given pageContext. |
static Object |
evaluate(String attributeName,
String expression,
Class expectedType,
Tag tag,
PageContext pageContext)
Invokes the evaluate() method on the "active" ExpressionEvaluator for the given pageContext. |
static ExpressionEvaluator |
getEvaluatorByName(String name)
Gets an ExpressionEvaluator from the cache, or seeds the cache if we haven't seen a particular ExpressionEvaluator before. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final String EVALUATOR_CLASS
Constructor Detail |
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public ExpressionEvaluatorManager()
Method Detail |
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public static Object evaluate(String attributeName, String expression, Class expectedType, Tag tag, PageContext pageContext) throws JspException
JspException
public static Object evaluate(String attributeName, String expression, Class expectedType, PageContext pageContext) throws JspException
JspException
public static ExpressionEvaluator getEvaluatorByName(String name) throws JspException
JspException
public static Object coerce(Object value, Class classe) throws JspException
JspException
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