Package jakarta.el

Class StandardELContext.DefaultFunctionMapper

java.lang.Object

jakarta.el.FunctionMapper

jakarta.el.StandardELContext.DefaultFunctionMapper

Enclosing class:

StandardELContext

private static class StandardELContext.DefaultFunctionMapper
extends FunctionMapper

Field Summary

Fields

Modifier and Type	Field	Description
private Map<String,Method>	functions

Constructor Summary

Constructors

Constructor	Description
DefaultFunctionMapper(Map<String,Method> initMap)

Method Summary

Modifier and Type	Method	Description
void	mapFunction(String prefix, String localName, Method meth)	Adds a static method that can be used as a function.
Method	resolveFunction(String prefix, String localName)	Resolves the specified prefix and local name into a java.lang.Method.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

functions

private Map<String,Method> functions

Constructor Details

DefaultFunctionMapper

DefaultFunctionMapper(Map<String,Method> initMap)

Method Details

resolveFunction

public Method resolveFunction(String prefix,
 String localName)

Description copied from class: FunctionMapper

Resolves the specified prefix and local name into a java.lang.Method.

Returns null if no function could be found that matches the given prefix and local name.

Specified by:

resolveFunction in class FunctionMapper

Parameters:

prefix - the prefix of the function, or "" if no prefix. For example, "fn" in ${fn:method()}, or "" in ${method()}.

localName - the short name of the function. For example, "method" in ${fn:method()}.

Returns:

the static method to invoke, or null if no match was found.

mapFunction

public void mapFunction(String prefix,
 String localName,
 Method meth)

Description copied from class: FunctionMapper

Adds a static method that can be used as a function.

Overrides:

mapFunction in class FunctionMapper

Parameters:

prefix - the prefix of the function, or "" if no prefix. For example, "fn" in ${fn:method()}, or "" in ${method()}.

localName - the short name of the function. For example, "method" in ${fn:method()}.

meth - The static method that is to be invoked, when the function is referenced. The null value causes the function to be removed from the map.