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.utils;

    20 

    21 public class FileRoots

    22 {

    23 

    24     private static int iResourceDriveNumber = -1;

    25 

    26     /**

    27      * Returns string describing current platform.

    28      */

    29     public static String getPlatform()

    30     {

    31         return "s60";

    32     }

    33 

    34     /**

    35      * Returns the directory that contains the Java applications

    36      * to be preinstalled in S60.

    37      */

    38     public static String getPreinstallDir()

    39     {

    40         return "\\resource\\java\\preinstall\\";

    41     }

    42 

    43     /**

    44      * Returns preinstallation drive for given filename.

    45      * Filename must contain full path including drive letter.

    46      */

    47     public static int getPreinstallDrive(String aFilename)

    48     {

    49         int drive = FileUtils.getDrive(aFilename);

    50         if (SysUtil.isDriveReadOnly(drive))

    51         {

    52             // if the drive is ReadOnly drive (e.g. Z:),

    53             // use system default installation drive (usually C:)

    54             drive = SysUtil.getDefaultPhoneMemory();

    55         }

    56         return drive;

    57     }

    58 

    59     /**

    60      * Returns directory where the icons registered to

    61      * platform should be copied in S60.

    62      */

    63     public static String getRegisteredIconDir(int aDrive)

    64     {

    65         return FileUtils.getDriveName(aDrive) + ":\\data\\java\\";

    66     }

    67 

    68     /**

    69      * Returns the directory that contains the resources

    70      * needed by Java Installer, e.g. 'trusted' icon

    71      */

    72     public static String getResourceDir()

    73     {

    74         return FileUtils.setDrive(

    75                    System.getProperty("JAVA_RES_ROOT"), getResourceDrive());

    76     }

    77 

    78     /**

    79      * Returns root folder for MIDP runtime in S60.

    80      */

    81     public static String getMidpRoot()

    82     {

    83         int resourceDrive = getResourceDrive();

    84         if (resourceDrive == 25)

    85         {

    86             // If MIDP is installed to Z: drive,

    87             // use C: drive as MIDP root.

    88             resourceDrive = 2;

    89         }

    90         String midpRoot = _getMidpRoot();

    91         return ((char)(resourceDrive + 'A')) + ":" + midpRoot;

    92     }

    93 

    94     /**

    95      * Returns root folder for applications in S60.

    96      */

    97     static String getAppsRoot()

    98     {

    99         // Note that drive letter does not matter here,

   100         // installer will replace it with correct one.

   101         return getMidpRoot() + "apps\\";

   102     }

   103 

   104     /**

   105      * Returns installer root folder in S60.

   106      */

   107     static String getInstallerRoot()

   108     {

   109         return getMidpRoot() + "installer\\";

   110     }

   111 

   112     /**

   113      * Returns the drive where OMJ was installed.

   114      */

   115     private static int getResourceDrive()

   116     {

   117         if (iResourceDriveNumber == -1)

   118         {

   119             iResourceDriveNumber = _getResourceDrive();

   120         }

   121         return iResourceDriveNumber;

   122     }

   123 

   124     /*** ----------------------------- NATIVE ----------------------------- */

   125 

   126     /**

   127      * Returns the drive number of the drive where the installer resources are.

   128      * In case of error logs the error and returns default drive number

   129      * that can be build specific but that is usually 2 (C: drive)

   130      *

   131      * @return the drive (0..25) where the installer resources are

   132      */

   133     private static native int _getResourceDrive();

   134 

   135     /**

   136      * Returns the path (without drive letter) to the MIDP runtime directory,

   137      * for example \private\102033E6\

   138      *

   139      * @return root directory where OMJ binary has been installed to

   140      */

   141     private static native String _getMidpRoot();

   142 }