FunctionMapper (Java EE 5 SDK)

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Java EE 5 SDK

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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.

构造器摘要
`FunctionMapper()`

方法摘要
`abstract Method`	`resolveFunction(String prefix, String localName)` Resolves the specified prefix and local name into a `java.lang.Method`.

类方法继承 java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

构造器详细信息

public FunctionMapper()

方法详细信息

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.

参数:: 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()}.
返回:: the static method to invoke, or null if no match was found.