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package javax.security.auth.callback;


 Underlying security services instantiate and pass a NameCallback to the handle method of a CallbackHandler to retrieve name information. 
See Also:
Since:1.4
/**
 * <p> Underlying security services instantiate and pass a
 * {@code NameCallback} to the {@code handle}
 * method of a {@code CallbackHandler} to retrieve name information.
 *
 * @since 1.4
 * @see javax.security.auth.callback.CallbackHandler
 */
public class NameCallback implements Callback, java.io.Serializable {

    @java.io.Serial
    private static final long serialVersionUID = 3770938795909392253L;

    
@serial
Since:1.4
/**
     * @serial
     * @since 1.4
     */
    private String prompt;
    
@serial
Since:1.4
/**
     * @serial
     * @since 1.4
     */
    private String defaultName;
    
@serial
Since:1.4
/**
     * @serial
     * @since 1.4
     */
    private String inputName;

    
Construct a NameCallback with a prompt. 
Params:
  • prompt – the prompt used to request the name.
Throws:
/**
     * Construct a {@code NameCallback} with a prompt.
     *
     * @param prompt the prompt used to request the name.
     *
     * @exception IllegalArgumentException if {@code prompt} is null
     *                  or if {@code prompt} has a length of 0.
     */
    public NameCallback(String prompt) {
        if (prompt == null || prompt.isEmpty())
            throw new IllegalArgumentException();
        this.prompt = prompt;
    }

    
Construct a NameCallback with a prompt and default name. 
Params:
  • 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.
/**
     * Construct a {@code NameCallback} with a prompt
     * and default name.
     *
     * @param prompt the prompt used to request the information.
     *
     * @param defaultName the name to be used as the default name displayed
     *                  with the prompt.
     *
     * @exception IllegalArgumentException if {@code prompt} is null,
     *                  if {@code prompt} has a length of 0,
     *                  if {@code defaultName} is null,
     *                  or if {@code defaultName} has a length of 0.
     */
    public NameCallback(String prompt, String defaultName) {
        if (prompt == null || prompt.isEmpty() ||
            defaultName == null || defaultName.isEmpty())
            throw new IllegalArgumentException();

        this.prompt = prompt;
        this.defaultName = defaultName;
    }

    
Get the prompt.

Returns:the prompt.
/**
     * Get the prompt.
     *
     * @return the prompt.
     */
    public String getPrompt() {
        return prompt;
    }

    
Get the default name.

Returns:the default name, or null if this NameCallback was not instantiated with a defaultName.
/**
     * Get the default name.
     *
     * @return the default name, or null if this {@code NameCallback}
     *          was not instantiated with a {@code defaultName}.
     */
    public String getDefaultName() {
        return defaultName;
    }

    
Set the retrieved name.

Params:
  • name – the retrieved name (which may be null).
See Also:
/**
     * Set the retrieved name.
     *
     * @param name the retrieved name (which may be null).
     *
     * @see #getName
     */
    public void setName(String name) {
        this.inputName = name;
    }

    
Get the retrieved name.

See Also:
Returns:the retrieved name (which may be null)
/**
     * Get the retrieved name.
     *
     * @return the retrieved name (which may be null)
     *
     * @see #setName
     */
    public String getName() {
        return inputName;
    }
}