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package javax.security.auth.callback;

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

    private static final long serialVersionUID = -8064222478852811804L;

    
@serial
Since:
1.4/**
     * @serial
     * @since 1.4
     */
    private String prompt;
    
@serial
Since:
1.4/**
     * @serial
     * @since 1.4
     */
    private String defaultText;
    
@serial
Since:
1.4/**
     * @serial
     * @since 1.4
     */
    private String inputText;

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

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

        this.prompt = prompt;
        this.defaultText = defaultText;
    }

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

    
Get the default text.
Returns:
the default text, or null if this TextInputCallback was not instantiated with defaultText./**
     * Get the default text.
     *
     * @return the default text, or null if this {@code TextInputCallback}
     *          was not instantiated with {@code defaultText}.
     */
    public String getDefaultText() {
        return defaultText;
    }

    
Set the retrieved text.
Params:
text – the retrieved text, which may be null.
See Also:
getText/**
     * Set the retrieved text.
     *
     * @param text the retrieved text, which may be null.
     *
     * @see #getText
     */
    public void setText(String text) {
        this.inputText = text;
    }

    
Get the retrieved text.
See Also:
setText
Returns:
the retrieved text, which may be null./**
     * Get the retrieved text.
     *
     * @return the retrieved text, which may be null.
     *
     * @see #setText
     */
    public String getText() {
        return inputText;
    }
}