javax.security.auth.callback
Class PasswordCallback

java.lang.Object
  |
  +--javax.security.auth.callback.PasswordCallback
All Implemented Interfaces:
Callback, Serializable
public class PasswordCallback
extends Object
implements Callback, Serializable

Underlying security services instantiate and pass a PasswordCallback to the handle method of a CallbackHandler to retrieve password information.

See Also:
CallbackHandler, Serialized Form

 

Constructor Summary

PasswordCallback(String prompt, boolean echoOn)
    Construct a PasswordCallback with a prompt and a boolean specifying whether the password should be displayed as it is being typed.
 

 

Method Summary

 void clearPassword()
    Clear the retrieved password.
 char[] getPassword()
    Get the retrieved password.
 String getPrompt()
    Get the prompt.
 boolean isEchoOn()
    Return whether the password should be displayed as it is being typed.
 void setPassword(char[] password)
    Set the retrieved password.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

 

Constructor Detail

 

PasswordCallback

public PasswordCallback(String prompt,
                        boolean echoOn)
Construct a PasswordCallback with a prompt and a boolean specifying whether the password should be displayed as it is being typed.

Parameters:
prompt - the prompt used to request the password.

echoOn - true if the password should be displayed as it is being typed.
Throws:
IllegalArgumentException - if prompt is null or if prompt has a length of 0.

 

Method Detail

 

getPrompt

public String getPrompt()
Get the prompt.

Returns:
the prompt.

 

isEchoOn

public boolean isEchoOn()
Return whether the password should be displayed as it is being typed.

Returns:
the whether the password should be displayed as it is being typed.

 

setPassword

public void setPassword(char[] password)
Set the retrieved password.

This method makes a copy of the input password before storing it.

Parameters:
password - the retrieved password, which may be null.
See Also:
getPassword()

 

getPassword

public char[] getPassword()
Get the retrieved password.

This method returns a copy of the retrieved password.

Returns:
the retrieved password, which may be null.
See Also:
setPassword(char[])

 

clearPassword

public void clearPassword()
Clear the retrieved password.