Package jakarta.el
Class MethodExpression
java.lang.Object
jakarta.el.Expression
jakarta.el.MethodExpression
- All Implemented Interfaces:
Serializable
- See Also:
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionabstract MethodInfogetMethodInfo(ELContext context) getMethodReference(ELContext context) Obtain theMethodReferencefor the method to which this method expression resolves.abstract ObjectbooleanMethods inherited from class jakarta.el.Expression
equals, getExpressionString, hashCode, isLiteralText
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Constructor Details
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MethodExpression
public MethodExpression()
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Method Details
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getMethodInfo
- Parameters:
context- The EL context for this evaluation- Returns:
- Information about the method that this expression resolves to
- Throws:
NullPointerException- If the supplied context isnullPropertyNotFoundException- If a property/variable resolution failed because no match was found or a match was found but was not readableMethodNotFoundException- If no matching method can be foundELException- Wraps any exception throw whilst resolving the property
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invoke
- Parameters:
context- The EL context for this evaluationparams- The parameters with which to invoke this method expression- Returns:
- The result of invoking this method expression
- Throws:
NullPointerException- If the supplied context isnullPropertyNotFoundException- If a property/variable resolution failed because no match was found or a match was found but was not readableMethodNotFoundException- If no matching method can be foundELException- Wraps any exception throw whilst resolving the property or coercion of the result to the expected return type fails
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isParametersProvided
public boolean isParametersProvided()- Returns:
- This default implementation always returns
false - Since:
- EL 3.0
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getMethodReference
Obtain theMethodReferencefor the method to which this method expression resolves.- Parameters:
context- The EL context for this evaluation- Returns:
- This default implementation always returns
null - Throws:
NullPointerException- If the supplied context isnullPropertyNotFoundException- If a property/variable resolution failed because no match was found or a match was found but was not readableMethodNotFoundException- If no matching method can be foundELException- Wraps any exception throw whilst resolving the property- Since:
- EL 5.0
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