1 /*

     2 * Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 package com.nokia.mj.impl.installer.ui;

    20 

    21 import com.nokia.mj.impl.utils.Logger;

    22 

    23 /**

    24  * Factory for JavaInstaller user interfaces.

    25  */

    26 public class InstallerUiFactory

    27 {

    28     /**

    29      * Get instance of installer UI.

    30      *

    31      * @param aMode InstallerUi.MODE_INSTALL or InstallerUi.MODE_UNINSTALL

    32      * @param aListener installer UI listener

    33      * @return installer UI

    34      */

    35     public static InstallerUi getInstallerUi

    36     (int aMode, InstallerUiListener aListener)

    37     {

    38         String className = "com.nokia.mj.impl.installer.ui.InstallerUi";

    39         String uiProperty =

    40             System.getProperty("com.nokia.mj.impl.installer.ui");

    41         if (uiProperty != null)

    42         {

    43             className = uiProperty;

    44         }

    45 

    46         InstallerUi installerUi = null;

    47         try

    48         {

    49             Class clazz = Class.forName(className);

    50             installerUi = (InstallerUi)clazz.newInstance();

    51             installerUi.init(aMode, aListener);

    52         }

    53         catch (Exception ex)

    54         {

    55             logError("Instantiating " + className + " failed", ex);

    56         }

    57         return installerUi;

    58     }

    59 

    60     /**

    61      * Writes an info log entry to JavaInstaller log.

    62      *

    63      * @param aMsg message to be logged

    64      */

    65     private static void log(String aMsg)

    66     {

    67         Logger.ILOG(Logger.EJavaInstaller, aMsg);

    68     }

    69 

    70     /**

    71      * Writes an error log entry to JavaInstaller log.

    72      *

    73      * @param aMsg message to be logged

    74      * @param aThrowable Throwable to be logged

    75      */

    76     private static void logError(String aMsg, Throwable aThrowable)

    77     {

    78         Logger.ELOG(Logger.EJavaInstaller, aMsg, aThrowable);

    79     }

    80 }