Method Detail

• getInstance

  public static ProtectedFunctionMapper getInstance()

  Generated Servlet and Tag Handler implementations call this method to retrieve an instance of the ProtectedFunctionMapper.

  Returns:

  A new protected function mapper.

• mapFunction

  public void mapFunction(String fnQName,
                 Class<?> c,
                 String methodName,
                 Class<?>[] args)

  Stores a mapping from the given EL function prefix and name to the given Java method.

  Parameters:

  fnQName - The EL function qualified name (including prefix)

  c - The class containing the Java method

  methodName - The name of the Java method

  args - The arguments of the Java method

  Throws:

  RuntimeException - if no method with the given signature could be found.

• getMapForFunction

  public static ProtectedFunctionMapper getMapForFunction(String fnQName,
                                          Class<?> c,
                                          String methodName,
                                          Class<?>[] args)

  Creates an instance for this class, and stores the Method for the given EL function prefix and name. This method is used for the case when there is only one function in the EL expression.

  Parameters:

  fnQName - The EL function qualified name (including prefix)

  c - The class containing the Java method

  methodName - The name of the Java method

  args - The arguments of the Java method

  Throws:

  RuntimeException - if no method with the given signature could be found.

• resolveFunction

  public Method resolveFunction(String prefix,
                       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.

  Specified by:

  resolveFunction in interface FunctionMapper

  Specified by:

  resolveFunction in class FunctionMapper

  Parameters:

  prefix - the prefix of the function

  localName - the short name of the function

  Returns:

  the result of the method mapping. Null means no entry found.