Requests the settings configured with CallbackHandler. If NOPW is specified, this method requests CallbackHandler to set all information except user IDs and passwords (the forward/include method is not executed for handling urls). If GETPW is specified, this method requests CallbackHandler to set all information that can be stored into this Callback object.

If a value already exists, it is overwritten.

public void setOption(int option);

option:

Specifies GETPW or NOPW.

• GETPW
  Requests that all information be set for this Callback object.
  
• NOPW
  Requests that all information except user IDs and passwords be set for this Callback object (the forward/include method is not executed for handling urls).
  

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