Package jakarta.el
Class MethodExpression
- java.lang.Object
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- jakarta.el.Expression
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- jakarta.el.MethodExpression
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- All Implemented Interfaces:
java.io.Serializable
public abstract class MethodExpression extends Expression
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description MethodExpression()
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods Modifier and Type Method Description abstract MethodInfogetMethodInfo(ELContext context)abstract java.lang.Objectinvoke(ELContext context, java.lang.Object[] params)booleanisParametersProvided()booleanisParmetersProvided()Deprecated.-
Methods inherited from class jakarta.el.Expression
equals, getExpressionString, hashCode, isLiteralText
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Method Detail
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getMethodInfo
public abstract MethodInfo getMethodInfo(ELContext context)
- Parameters:
context- The EL context for this evaluation- Returns:
- Information about the method that this expression resolves to
- Throws:
java.lang.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
public abstract java.lang.Object invoke(ELContext context, java.lang.Object[] params)
- 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:
java.lang.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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isParmetersProvided
@Deprecated public boolean isParmetersProvided()
Deprecated.- Returns:
- Always
false - Since:
- EL 2.2 Note: The spelling mistake is deliberate. isParmetersProvided() - Specification definition isParametersProvided() - Corrected spelling
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