upnpframework/upnpcommand/src/upnpcommandparameters.cpp
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     1 /*
       
     2 * Copyright (c) 2007 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:  Source file for CUpnpCommandParameters class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 // upnpframework / command api
       
    21 #include "upnpcommandcallback.h"        // MUpnpCommandCallback
       
    22 
       
    23 // command internal
       
    24 #include "upnpcommandparameters.h"
       
    25 
       
    26 _LIT( KComponentLogfile, "upnpcommand.log");
       
    27 #include "upnplog.h"
       
    28 
       
    29 // --------------------------------------------------------------------------
       
    30 // CUpnpCommandParameters::NewL
       
    31 // Creates an instance of the implementation.
       
    32 // --------------------------------------------------------------------------
       
    33 //
       
    34 CUpnpCommandParameters* CUpnpCommandParameters::NewL()
       
    35     {
       
    36     __LOG( "[UpnpCommand]\t CUpnpCommandParameters::NewL" );
       
    37 
       
    38     return new (ELeave) CUpnpCommandParameters;
       
    39     }
       
    40 
       
    41 // --------------------------------------------------------------------------
       
    42 // CUpnpCommandParameters::CUpnpCommandParameters
       
    43 // First phase construction.
       
    44 // --------------------------------------------------------------------------
       
    45 //
       
    46 CUpnpCommandParameters::CUpnpCommandParameters()
       
    47     {
       
    48     __LOG( "[UpnpCommand]\t CUpnpCommandParameters::Constructor" );
       
    49 
       
    50     iCollectionName = NULL;
       
    51     iCallback = NULL;
       
    52     }
       
    53 
       
    54 // --------------------------------------------------------------------------
       
    55 // Destructor.
       
    56 // --------------------------------------------------------------------------
       
    57 //
       
    58 CUpnpCommandParameters::~CUpnpCommandParameters()
       
    59     {
       
    60     __LOG( "[UpnpCommand]\t CUpnpCommandParameters::Destructor" );
       
    61 
       
    62     // Reset the parameters
       
    63     Reset();
       
    64     }
       
    65 
       
    66 // --------------------------------------------------------------------------
       
    67 // CUpnpCommandParameters::SetObserver
       
    68 // Sets the observer.
       
    69 // --------------------------------------------------------------------------
       
    70 //
       
    71 void CUpnpCommandParameters::SetObserver( MUpnpCommandCallback* aCallback )
       
    72     {
       
    73     __LOG( "[UpnpCommand]\t CUpnpCommandParameters::SetObserver" );
       
    74 
       
    75     // Parameter check
       
    76     __ASSERTD( aCallback!=0, __FILE__, __LINE__ );
       
    77 
       
    78     // Set the variable
       
    79     iCallback = aCallback;
       
    80     }
       
    81 
       
    82 // --------------------------------------------------------------------------
       
    83 // CUpnpCommandParameters::Observer
       
    84 // Gets the observer.
       
    85 // --------------------------------------------------------------------------
       
    86 //
       
    87 MUpnpCommandCallback* CUpnpCommandParameters::Observer()
       
    88     {
       
    89     return iCallback;
       
    90     }
       
    91 
       
    92 // --------------------------------------------------------------------------
       
    93 // CUpnpCommandParameters::SetL
       
    94 // Sets a parameter
       
    95 // --------------------------------------------------------------------------
       
    96 //
       
    97 void CUpnpCommandParameters::SetL(
       
    98     UpnpCommand::TUpnpParameterType aParamType,
       
    99     const TDesC& aParamValue )
       
   100     {
       
   101     __LOG( "[UpnpCommand]\t CUpnpCommandParameters::SetL" );
       
   102 
       
   103     switch( aParamType )
       
   104         {
       
   105         case UpnpCommand::EParamCollectionName:
       
   106             {
       
   107             // Parameter check
       
   108             if( aParamValue == KNullDesC )
       
   109                 {
       
   110                 User::Leave( KErrArgument );
       
   111                 }
       
   112             // allocation
       
   113             HBufC* newCollectionName = aParamValue.AllocL();
       
   114             delete iCollectionName;
       
   115             iCollectionName = newCollectionName;
       
   116             newCollectionName = NULL;
       
   117             }
       
   118             break;
       
   119         case UpnpCommand::EParamMediaType: // flow through
       
   120         case UpnpCommand::EParamDeviceUuid: // flow through
       
   121         case UpnpCommand::EParamDeviceName:
       
   122             // do nothing
       
   123             break;
       
   124         default:
       
   125             __PANICD( __FILE__, __LINE__ );
       
   126         }
       
   127 
       
   128     }
       
   129 
       
   130 // --------------------------------------------------------------------------
       
   131 // CUpnpCommandParameters::Get
       
   132 // Returns a parameter by given type
       
   133 // --------------------------------------------------------------------------
       
   134 //
       
   135 const TDesC& CUpnpCommandParameters::Get(
       
   136     UpnpCommand::TUpnpParameterType aParamType )
       
   137     {
       
   138     __LOG( "[UpnpCommand]\t CUpnpCommandParameters::Get" );
       
   139 
       
   140     switch( aParamType )
       
   141         {
       
   142         case UpnpCommand::EParamCollectionName:
       
   143             {
       
   144             if( iCollectionName )
       
   145                 {
       
   146                 return *iCollectionName;
       
   147                 }
       
   148             }
       
   149             break;
       
   150         case UpnpCommand::EParamMediaType: // flow through
       
   151         case UpnpCommand::EParamDeviceUuid: // flow through
       
   152         case UpnpCommand::EParamDeviceName:
       
   153             return KNullDesC;
       
   154         default:
       
   155             __PANICD( __FILE__, __LINE__ );
       
   156         }
       
   157 
       
   158     return KNullDesC;
       
   159     }
       
   160 
       
   161 // --------------------------------------------------------------------------
       
   162 // CUpnpCommandParameters::Reset
       
   163 // Resets variables.
       
   164 // --------------------------------------------------------------------------
       
   165 //
       
   166 void CUpnpCommandParameters::Reset()
       
   167     {
       
   168     __LOG( "[UpnpCommand]\t CUpnpCommandParameters::Reset" );
       
   169 
       
   170     // Delete/reset the variables
       
   171     delete iCollectionName;
       
   172     iCollectionName = NULL;
       
   173     }
       
   174 
       
   175 // End of File