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package org.openide;

/** Helper class to simplify handling with error/warning/info messages.
 *
 * @author Jiri Rechtacek
 * @see NotifyDescriptor#createNotificationLineSupport
 * @since 7.10
 */
public final class NotificationLineSupport {
    private NotifyDescriptor nd;

    NotificationLineSupport (NotifyDescriptor descriptor) {
        this.nd = descriptor;
    }

    /** Sets a information message.
     *
     * @param msg information message
     */
    public final void setInformationMessage (String msg) {
        nd.setInformationMessage (msg);
    }

    /** Gets a information message.
     * 
     * @return information message or <code>null</code> if other type of message was set
     */
    public final String getInformationMessage () {
        return nd.getInformationMessage ();
    }

    /** Sets a warning message.
     *
     * @param msg warning message
     */
    public final void setWarningMessage (String msg) {
        nd.setWarningMessage (msg);
    }

    /** Gets a warning message.
     *
     * @return warning message or <code>null</code> if other type of message was set
     */
    public final String getWarningMessage () {
        return nd.getWarningMessage ();
    }

    /** Sets a error message.
     *
     * @param msg error message
     */
    public final void setErrorMessage (String msg) {
        nd.setErrorMessage (msg);
    }

    /** Gets a error message.
     *
     * @return error message or <code>null</code> if other type of message was set
     */
    public final String getErrorMessage () {
        return nd.getErrorMessage ();
    }

    /** Clears messages.
     *
     */
    public final void clearMessages () {
        nd.clearMessages ();
    }

}