FunctionMapper (JavaServer Pages API Documentation)
Keywords: javax.servlet.jsp.el.FunctionMapper interface

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## javax.servlet.jsp.el
Interface FunctionMapper

public interface FunctionMapper

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

Classes implementing this interface may, for instance, consult tag library information to resolve the map.

Since:
  2.0

Method Summary
`java.lang.reflect.Method` | `resolveFunction(java.lang.String prefix, java.lang.String localName)` Resolves the specified local name and prefix into a Java.lang.Method.

Method Detail

### resolveFunction

    public java.lang.reflect.Method resolveFunction(java.lang.String prefix,
                                                    java.lang.String localName)

  Resolves the specified local name and prefix into a Java.lang.Method. Returns null if the prefix and local name are not found.

  Parameters:
    `prefix` - the prefix of the function, or "" if no prefix.
    `localName` - the short name of the function
  Returns:
    the result of the method mapping. Null means no entry found.

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