javamanager/javainstaller/installer/javasrc/com/nokia/mj/impl/installer/midp2/install/steps/DlListener.java
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 27 Apr 2010 16:30:29 +0300
branchRCL_3
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Revision: v2.1.22 Kit: 201017
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/*
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* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package com.nokia.mj.impl.installer.midp2.install.steps;
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import com.nokia.mj.impl.installer.downloader.DownloadListener;
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import com.nokia.mj.impl.installer.downloader.DownloadInfo;
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import com.nokia.mj.impl.installer.ui.InstallerUi;
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import com.nokia.mj.impl.installer.utils.InstallerException;
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import com.nokia.mj.impl.installer.utils.Log;
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/**
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 * DownloadListener implementation for MIDP2 jad and jar downloads.
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 */
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public class DlListener implements DownloadListener
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{
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    private InstallBall iBall = null;
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    private DownloadInfo iDlInfo = null;
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    // InstallerUI instance.
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    private InstallerUi iInstallerUi = null;
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    DlListener(InstallBall aBall)
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    {
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        iBall = aBall;
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        if (iBall != null)
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        {
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            iInstallerUi = iBall.getInstallerUi();
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        }
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    }
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    /** Download has started. */
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    public void started(DownloadInfo aDlInfo)
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    {
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        iDlInfo = aDlInfo;
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        iBall.log("Downloading " + iDlInfo.getUrl());
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        if (iInstallerUi != null)
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        {
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            try
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            {
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                iInstallerUi.started(getUiDlInfo(aDlInfo));
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            }
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            catch (Throwable t)
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            {
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                Log.logError("InstallerUi.started threw exception", t);
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            }
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        }
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    }
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    /** Download has progressed. */
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    public void updateProgress(DownloadInfo aDlInfo)
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    {
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        iDlInfo = aDlInfo;
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        iBall.log("Downloaded " + iDlInfo.getProgress() + " %");
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        if (iInstallerUi != null)
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        {
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            try
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            {
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                iInstallerUi.updateProgress(getUiDlInfo(aDlInfo));
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            }
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            catch (Throwable t)
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            {
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                Log.logError("InstallerUi.updateProgress threw exception", t);
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            }
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        }
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        if (iBall.iSifNotifier != null)
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        {
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            Log.log("DlListener.set: update SifNotifier to " +
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                    aDlInfo.getCurrentSize() + " / " + aDlInfo.getTotalSize());
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            try
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            {
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                iBall.iSifNotifier.notifyProgress(
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                    iBall.iSifNotifier.SUB_OP_DOWNLOAD,
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                    (int)aDlInfo.getCurrentSize(),
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                    (int)aDlInfo.getTotalSize());
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            }
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            catch (Throwable t)
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            {
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                Log.logError("SifNotifier.notifyProgress threw exception", t);
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            }
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        }
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    }
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    /** Download has ended. */
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    public void ended(DownloadInfo aDlInfo)
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    {
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        iDlInfo = aDlInfo;
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        if (iInstallerUi != null)
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        {
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            try
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            {
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                iInstallerUi.ended(getUiDlInfo(aDlInfo));
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            }
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            catch (Throwable t)
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            {
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                Log.logError("InstallerUi.ended threw exception", t);
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            }
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        }
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        if (iBall != null)
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        {
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            String dlInfoStr = "\n" + iDlInfo.toString();
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            iBall.addTimesMsg(dlInfoStr);
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        }
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    }
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    /**
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     * Downloader needs username and password for HTTP authentication.
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     * This method returns an array of two strings, the first being username
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     * and second being password. If username and password cannot be obtained,
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     * method returns null.
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     *
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     * @param aUrl URL for which username and password is needed.
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     */
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    public String[] getUsernamePassword(String aUrl)
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    {
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        String[] result = null;
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        if (iBall != null &&
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                iBall.iDownloadUsername != null &&
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                iBall.iDownloadPassword != null)
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        {
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            result = new String[]
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            {
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                iBall.iDownloadUsername, iBall.iDownloadPassword
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            };
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        }
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        if (result == null && iInstallerUi != null)
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        {
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            try
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            {
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                result = iInstallerUi.getUsernamePassword(aUrl);
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            }
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            catch (Throwable t)
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            {
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                Log.logError("InstallerUi.getUsernamePassword threw exception", t);
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            }
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        }
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        return result;
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    }
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    /**
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     * Get last notified DownloadInfo.
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     */
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    DownloadInfo getDlInfo()
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    {
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        return iDlInfo;
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    }
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    /**
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     * Returns Downloadinfo object used in the InstallerUi API.
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     */
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    private com.nokia.mj.impl.installer.ui.DownloadInfo getUiDlInfo
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    (DownloadInfo aDlInfo)
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    {
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        String name = null;
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        if (iBall.iSuite != null)
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        {
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            name = iBall.iSuite.getName();
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        }
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        com.nokia.mj.impl.installer.ui.DownloadInfo result =
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            new com.nokia.mj.impl.installer.ui.DownloadInfo
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        (aDlInfo.getUrl(), name);
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        result.setCurrentSize(aDlInfo.getCurrentSize());
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        result.setTotalSize(aDlInfo.getTotalSize());
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        return result;
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    }
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}