Java Module java.base Package javax.security.auth.callback Class NameCallback（JDK11）

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

All Implemented Interfaces:

Serializable, Callback
```
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.

Since:

1.4

See Also:

CallbackHandler, Serialized Form

Constructor Summary

Constructors
Constructor	Description
`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

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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 declared in 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.
  - 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.
  - getDefaultName
```
public String getDefaultName()
```
    Get the default name.
    
    Returns:
    
    the default name, or null if this NameCallback was not instantiated with a defaultName.
  - setName
```
public void setName(String name)
```
    Set the retrieved name.
    
    Parameters:
    
    name - the retrieved name (which may be null).
    
    See Also:
    
    getName()
  - getName
```
public String getName()
```
    Get the retrieved name.
    
    Returns:
    
    the retrieved name (which may be null)
    
    See Also:
    
    setName(java.lang.String)

Java Module java.base Package javax.security.auth.callback Class NameCallback（JDK11）

Class NameCallback

Constructor Summary

Method Summary

Methods declared in class java.lang.Object

Constructor Detail

NameCallback

NameCallback

Method Detail

getPrompt

getDefaultName

setName

getName