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## org.mozilla.jss.util
Class NullPasswordCallback

    java.lang.Object
      |
      +--org.mozilla.jss.util.NullPasswordCallback

public class NullPasswordCallback
extends java.lang.Object
implements PasswordCallback

A PasswordCallback that immediately gives up. This should be used when a user is not available to enter a password. Any operations that require a password will fail if this is used, unless the token has already been logged in manually.

See Also:
  `CryptoToken.login(org.mozilla.jss.util.PasswordCallback)`

Constructor Summary
`NullPasswordCallback()`

Method Summary
`Password` | `getPasswordAgain(PasswordCallbackInfo info)`
`Password` | `getPasswordFirstAttempt(PasswordCallbackInfo info)`

Methods inherited from class java.lang.Object
`, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait`

Constructor Detail

### NullPasswordCallback

    public NullPasswordCallback()

Method Detail

### getPasswordFirstAttempt

    public Password getPasswordFirstAttempt(PasswordCallbackInfo info)
                                     throws PasswordCallback.GiveUpException

  Specified by:
    getPasswordFirstAttempt in interface PasswordCallback

### getPasswordAgain

    public Password getPasswordAgain(PasswordCallbackInfo info)
                              throws PasswordCallback.GiveUpException

  Specified by:
    getPasswordAgain in interface PasswordCallback

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