/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.mj.impl.installer.downloader;

/**

 * Downloader will notify DownloadListener about download progress.

 * Note that Downloader will ignore all exceptions thrown from

 * DownloadListener callback methods.

 */

public interface DownloadListener

{

    /** Download has started. */

    public void started(DownloadInfo aDlInfo);

    /** Download has progressed. */

    public void updateProgress(DownloadInfo aDlInfo);

    /** Download has ended. */

    public void ended(DownloadInfo aDlInfo);

    /**

     * Downloader needs username and password for HTTP authentication.

     * This method returns an array of two strings, the first being username

     * and second being password. If username and password cannot be obtained,

     * method returns null.

     *

     * @param aUrl URL for which username and password is needed.

     */

    public String[] getUsernamePassword(String aUrl);

}