Constructor Detail

• FunctionMapper

  public FunctionMapper()

Method Detail

• resolveFunction

  public abstract java.lang.reflect.Method resolveFunction(java.lang.String prefix,
                                                           java.lang.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.

• mapFunction

  public void mapFunction(java.lang.String prefix,
                          java.lang.String localName,
                          java.lang.reflect.Method meth)

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

  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.

  Since:

  Jakarta Expression Language 3.0