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NameCallback (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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javax.security.auth.callback
Class NameCallback

java.lang.Object
  |
  +--javax.security.auth.callback.NameCallback

All Implemented Interfaces:

Callback, Serializable

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public class NameCallback

extends Object

implements Callback, Serializable

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

See Also:

CallbackHandler, Serialized Form

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Constructor Summary

NameCallback(String prompt)           Construct a NameCallback with a prompt.

NameCallback(String prompt, String defaultName)           Construct a NameCallback with a prompt and default name.

 

Method Summary
String	getDefaultName()           Get the default name.
String	getName()           Get the retrieved name.
String	getPrompt()           Get the prompt.
void	setName(String name)           Set the retrieved name.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

NameCallback

public NameCallback(String prompt)

Construct a NameCallback with a prompt.

Parameters:

prompt - the prompt used to request the name.

Throws:

IllegalArgumentException - if prompt is null or if prompt has a length of 0.

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NameCallback

public NameCallback(String prompt,
                    String defaultName)

Construct a NameCallback with a prompt and default name.

Parameters:

prompt - the prompt used to request the information.

defaultName - the name to be used as the default name displayed with the prompt.

Throws:

IllegalArgumentException - if prompt is null, if prompt has a length of 0, if defaultName is null, or if defaultName has a length of 0.

Method Detail

getPrompt

public String getPrompt()

Get the prompt.

Returns:

the prompt.

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getDefaultName

public String getDefaultName()

Get the default name.

Returns:

the default name, or null if this NameCallback was not instantiated with a defaultName.

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setName

public void setName(String name)

Set the retrieved name.

Parameters:

name - the retrieved name (which may be null).

See Also:

getName()

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getName

public String getName()

Get the retrieved name.

Returns:

the retrieved name (which may be null)

See Also:

setName(java.lang.String)

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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 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.