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TextInputCallback (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

JavaTM 2 Platform
Standard Ed. 5.0

javax.security.auth.callback
Class TextInputCallback

java.lang.Object
  extended by javax.security.auth.callback.TextInputCallback
All Implemented Interfaces:
Serializable, Callback
Direct Known Subclasses:
RealmCallback

public class TextInputCallback
extends Object
implements Callback, Serializable

Underlying security services instantiate and pass a TextInputCallback to the handle method of a CallbackHandler to retrieve generic text information.

See Also:
CallbackHandler, Serialized Form

Constructor Summary
TextInputCallback(String prompt)
          Construct a TextInputCallback with a prompt.
TextInputCallback(String prompt, String defaultText)
          Construct a TextInputCallback with a prompt and default input value.
 
Method Summary
 String getDefaultText()
          Get the default text.
 String getPrompt()
          Get the prompt.
 String getText()
          Get the retrieved text.
 void setText(String text)
          Set the retrieved text.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TextInputCallback

public TextInputCallback(String prompt)
Construct a TextInputCallback with a prompt.

Parameters:
prompt - the prompt used to request the information.
Throws:
IllegalArgumentException - if prompt is null or if prompt has a length of 0.

TextInputCallback

public TextInputCallback(String prompt,
                         String defaultText)
Construct a TextInputCallback with a prompt and default input value.

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

defaultText - the text to be used as the default text displayed with the prompt.
Throws:
IllegalArgumentException - if prompt is null, if prompt has a length of 0, if defaultText is null or if defaultText has a length of 0.
Method Detail

getPrompt

public String getPrompt()
Get the prompt.

Returns:
the prompt.

getDefaultText

public String getDefaultText()
Get the default text.

Returns:
the default text, or null if this TextInputCallback was not instantiated with defaultText.

setText

public void setText(String text)
Set the retrieved text.

Parameters:
text - the retrieved text, which may be null.
See Also:
getText()

getText

public String getText()
Get the retrieved text.

Returns:
the retrieved text, which may be null.
See Also:
setText(java.lang.String)

JavaTM 2 Platform
Standard Ed. 5.0

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.