FunctionMapper (Java EE 5 SDK) - Java Platform, Enterprise Edition v5.0 API Specifications

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javax.el
Class FunctionMapper

java.lang.Object
  javax.el.FunctionMapper

The interface to a map between EL function names and methods.

A FunctionMapper maps ${prefix:name()} style functions to a static method that can execute that function.

Constructor Summary

FunctionMapper()

Method Summary

abstract 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

Constructor Summary
`FunctionMapper()`

Method Summary
`abstract 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`

Constructor Detail

public FunctionMapper()

Method Detail

public abstract Method resolveFunction(String prefix,
                                       String localName)

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.

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.