Java Module jdk.security.auth Package com.sun.security.auth.callback Class TextCallbackHandler（JDK11）

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java.lang.Object
- com.sun.security.auth.callback.TextCallbackHandler

All Implemented Interfaces:

CallbackHandler
```
public class TextCallbackHandler
extends Object
implements CallbackHandler
```
Prompts and reads from the command line for answers to authentication questions. This can be used by a JAAS application to instantiate a CallbackHandler

See Also:

javax.security.auth.callback

Constructor Summary

Constructors
Constructor	Description
`TextCallbackHandler()`	Creates a callback handler that prompts and reads from the command line for answers to authentication questions.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`handle(Callback[] callbacks)`	Handles the specified set of callbacks.

Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TextCallbackHandler
```
public TextCallbackHandler()
```
    Creates a callback handler that prompts and reads from the command line for answers to authentication questions. This can be used by JAAS applications to instantiate a CallbackHandler.
- Method Detail
  - handle
```
public void handle(Callback[] callbacks)
            throws IOException,
                   UnsupportedCallbackException
```
    Handles the specified set of callbacks.
    
    Specified by:
    
    handle in interface CallbackHandler
    
    Parameters:
    
    callbacks - the callbacks to handle
    
    Throws:
    
    IOException - if an input or output error occurs.
    
    UnsupportedCallbackException - if the callback is not an instance of NameCallback or PasswordCallback

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