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javax.security.auth.callback
Class PasswordCallback

java.lang.Object
  javax.security.auth.callback.PasswordCallback

All Implemented Interfaces:

Serializable, Callback

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.