1 /*

     2 * Copyright (c) 2009 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 using System;

    19 using System.Collections.Generic;

    20 using System.Text;

    21 using System.Reflection;

    22 using SymbianUtils.BasicTypes;

    23 using SymbianETMLib.Common.Types;

    24 

    25 namespace SymbianETMLib.Common.Packets.Factory

    26 {

    27     public static class ETMPacketFactory

    28     {

    29         public static ETMPcktBase Create( SymByte aByte )

    30         {

    31             ETMPcktBase ret = null;

    32             //

    33             if ( iPackets.Count == 0 )

    34             {

    35                 CreatePackets();

    36             }

    37             //

    38             ret = FindPacket( aByte );

    39             //

    40             return ret;

    41         }

    42 

    43         #region Internal methods

    44         private static void CreatePackets()

    45         {

    46             Type pluginType = typeof( ETMPcktBase );

    47             Assembly assembly = Assembly.GetExecutingAssembly();

    48             Type[] types = assembly.GetTypes();

    49             foreach ( Type type in types )

    50             {

    51                 if ( !type.IsAbstract && pluginType.IsAssignableFrom( type ) )

    52                 {

    53                     ConstructorInfo ctor = type.GetConstructor( System.Type.EmptyTypes );

    54                     if ( ctor != null )

    55                     {

    56                         object instance = Activator.CreateInstance( type, null );

    57                         if ( instance != null )

    58                         {

    59                             iPackets.Add( (ETMPcktBase) instance );

    60                         }

    61                     }

    62                 }

    63             }

    64 

    65             // Sort the packets into priority order

    66             Comparison<ETMPcktBase> comparer = delegate( ETMPcktBase aLeft, ETMPcktBase aRight )

    67             {

    68                 return ( aLeft.Priority.CompareTo( aRight.Priority ) * -1 );

    69             };

    70             iPackets.Sort( comparer );

    71         }

    72 

    73         private static ETMPcktBase FindPacket( SymByte aByte )

    74         {

    75             ETMPcktBase ret = new ETMPcktUnknown();

    76             //

    77             int count = iPackets.Count;

    78             for ( int i = 0; i < count; i++ )

    79             {

    80                 ETMPcktBase packet = iPackets[ i ];

    81                 if ( packet.Matches( aByte ) )

    82                 {

    83                     ret = packet;

    84                     ret.RawByte = aByte;

    85                     break;

    86                 }

    87             }

    88             //

    89             return ret;

    90         }

    91         #endregion

    92 

    93         #region Data members

    94         private static List<ETMPcktBase> iPackets = new List<ETMPcktBase>();

    95         #endregion

    96     }

    97 }