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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * accompanied this code).
 *
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package javax.security.auth.callback;

 Underlying security services instantiate and pass a
TextOutputCallback to the handle
method of a CallbackHandler to display information messages,
warning messages and error messages.
See Also:
CallbackHandler/**
 * <p> Underlying security services instantiate and pass a
 * <code>TextOutputCallback</code> to the <code>handle</code>
 * method of a <code>CallbackHandler</code> to display information messages,
 * warning messages and error messages.
 *
 * @see javax.security.auth.callback.CallbackHandler
 */
public class TextOutputCallback implements Callback, java.io.Serializable {

    private static final long serialVersionUID = 1689502495511663102L;

    
Information message. /** Information message. */
    public static final int INFORMATION         = 0;
    
Warning message. /** Warning message. */
    public static final int WARNING             = 1;
    
Error message. /** Error message. */
    public static final int ERROR               = 2;

    
@serial
Since:
1.4/**
     * @serial
     * @since 1.4
     */
    private int messageType;
    
@serial
Since:
1.4/**
     * @serial
     * @since 1.4
     */
    private String message;

    
Construct a TextOutputCallback with a message type and message
to be displayed.

Params:
messageType – the message type (INFORMATION,
                 WARNING or ERROR). 
message – the message to be displayed. 
Throws:
IllegalArgumentException – if messageType
                 is not either INFORMATION,
                 WARNING or ERROR,
                 if message is null,
                 or if message has a length of 0./**
     * Construct a TextOutputCallback with a message type and message
     * to be displayed.
     *
     * <p>
     *
     * @param messageType the message type (<code>INFORMATION</code>,
     *                  <code>WARNING</code> or <code>ERROR</code>). <p>
     *
     * @param message the message to be displayed. <p>
     *
     * @exception IllegalArgumentException if <code>messageType</code>
     *                  is not either <code>INFORMATION</code>,
     *                  <code>WARNING</code> or <code>ERROR</code>,
     *                  if <code>message</code> is null,
     *                  or if <code>message</code> has a length of 0.
     */
    public TextOutputCallback(int messageType, String message) {
        if ((messageType != INFORMATION &&
                messageType != WARNING && messageType != ERROR) ||
            message == null || message.length() == 0)
            throw new IllegalArgumentException();

        this.messageType = messageType;
        this.message = message;
    }

    
Get the message type.

Returns:
the message type (INFORMATION,
                 WARNING or ERROR)./**
     * Get the message type.
     *
     * <p>
     *
     * @return the message type (<code>INFORMATION</code>,
     *                  <code>WARNING</code> or <code>ERROR</code>).
     */
    public int getMessageType() {
        return messageType;
    }

    
Get the message to be displayed.

Returns:
the message to be displayed./**
     * Get the message to be displayed.
     *
     * <p>
     *
     * @return the message to be displayed.
     */
    public String getMessage() {
        return message;
    }
}