upnp/upnpstack/serviceframework/src/upnpservicecontenthandler.cpp
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     1 /** @file
       
     2 * Copyright (c) 2005 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:  Implements the CUpnpBaseContentHandler class
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "upnpservicecontenthandler.h"
       
    20 #include "upnpservice.h"
       
    21 #include "upnpcontenthandlerscontroller.h"
       
    22 #include "upnpscpdcontenthandler.h"
       
    23 #include "upnpserviceliterals.h"
       
    24 
       
    25 // -----------------------------------------------------------------------------
       
    26 // CUpnpServiceContentHandler::NewL
       
    27 // Two-phased constructor
       
    28 // -----------------------------------------------------------------------------
       
    29 //
       
    30 CUpnpServiceContentHandler* CUpnpServiceContentHandler::NewL(
       
    31         CUpnpContentHandlersController& aController, CUpnpDevice* aParentDevice )
       
    32     {
       
    33     CUpnpServiceContentHandler* serviceContentHandler =
       
    34         CUpnpServiceContentHandler::NewLC( aController, aParentDevice );
       
    35     CleanupStack::Pop( serviceContentHandler );
       
    36     return serviceContentHandler;
       
    37     }
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CUpnpServiceContentHandler::NewLC
       
    41 // Two-phased constructor. Leaves teh object on the CleanupStack
       
    42 // -----------------------------------------------------------------------------
       
    43 CUpnpServiceContentHandler* CUpnpServiceContentHandler::NewLC(
       
    44         CUpnpContentHandlersController& aController, CUpnpDevice* aParentDevice )
       
    45     {
       
    46     CUpnpServiceContentHandler* serviceContentHandler =
       
    47         new (ELeave) CUpnpServiceContentHandler( aController, aParentDevice );
       
    48     CleanupStack::PushL( serviceContentHandler );
       
    49     return serviceContentHandler;
       
    50     }
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CUpnpServiceContentHandler::NewL
       
    54 // Two-phased constructor
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CUpnpServiceContentHandler* CUpnpServiceContentHandler::NewL(
       
    58         CUpnpContentHandlersController& aController,
       
    59         CUpnpService& aNotOwnedResultService )
       
    60     {
       
    61     CUpnpServiceContentHandler* serviceContentHandler =
       
    62         CUpnpServiceContentHandler::NewLC( aController, aNotOwnedResultService );
       
    63     CleanupStack::Pop( serviceContentHandler );
       
    64     return serviceContentHandler;
       
    65     }
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CUpnpServiceContentHandler::NewLC
       
    69 // Two-phased constructor. Leaves teh object on the CleanupStack
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 CUpnpServiceContentHandler* CUpnpServiceContentHandler::NewLC(
       
    73         CUpnpContentHandlersController& aController,
       
    74         CUpnpService& aNotOwnedResultService )
       
    75     {
       
    76     CUpnpServiceContentHandler* serviceContentHandler = 
       
    77         new (ELeave) CUpnpServiceContentHandler(aController, 
       
    78             aNotOwnedResultService);
       
    79     CleanupStack::PushL( serviceContentHandler );
       
    80     return serviceContentHandler;
       
    81     }
       
    82 
       
    83 // -----------------------------------------------------------------------------
       
    84 // CUpnpServiceContentHandler::~CUpnpServiceContentHandler
       
    85 // Destructor of CUpnpServiceContentHandler class 
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 CUpnpServiceContentHandler::~CUpnpServiceContentHandler()
       
    89     {
       
    90     if ( iIsServiceOwned )
       
    91         {
       
    92         delete iResultService;
       
    93         }
       
    94     }
       
    95 
       
    96 // -----------------------------------------------------------------------------
       
    97 // CUpnpServiceContentHandler::CUpnpServiceContentHandler
       
    98 // Constructor
       
    99 // -----------------------------------------------------------------------------
       
   100 //
       
   101 CUpnpServiceContentHandler::CUpnpServiceContentHandler(
       
   102         CUpnpContentHandlersController& aController, CUpnpDevice* aParentDevice ) :
       
   103         CUpnpContentHandler(aController), iParentDevice(aParentDevice),
       
   104         iIsServiceOwned(ETrue)
       
   105     {
       
   106     }
       
   107 
       
   108 // -----------------------------------------------------------------------------
       
   109 // CUpnpServiceContentHandler::CUpnpServiceContentHandler
       
   110 // Constructor
       
   111 // -----------------------------------------------------------------------------
       
   112 //
       
   113 CUpnpServiceContentHandler::CUpnpServiceContentHandler(
       
   114         CUpnpContentHandlersController& aController,
       
   115         CUpnpService& aNotOwnedResultService ) :
       
   116         CUpnpContentHandler(aController),
       
   117         iResultService( &aNotOwnedResultService ), iIsServiceOwned( EFalse )
       
   118     {
       
   119     }
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CUpnpServiceContentHandler::OnStartElementL
       
   123 // This method is a callback to indicate an element has been parsed.
       
   124 // -------------------------------------------------------- ---------------------
       
   125 //
       
   126 void CUpnpServiceContentHandler::OnStartElementL( const RTagInfo& aElement,
       
   127         const RAttributeArray& /*aAttributes*/ )
       
   128     {
       
   129     if ( aElement.LocalName().DesC().Compare( KUpnpScpd ) == 0 )
       
   130         {
       
   131         if ( iIsServiceOwned )
       
   132             {
       
   133             delete iResultService;
       
   134             iResultService = NULL;
       
   135             iResultService = CUpnpService::NewL( iParentDevice );
       
   136             iParentDevice = NULL;
       
   137             }
       
   138         iController.SetCurrentContentHandlerL( CUpnpScpdContentHandler::NewL(
       
   139                         iController, *iResultService ) );
       
   140         }
       
   141     else
       
   142         {
       
   143         User::Leave( KErrArgument ); //wrong root node
       
   144         }
       
   145     }
       
   146 
       
   147 // -----------------------------------------------------------------------------
       
   148 // CUpnpServiceContentHandler::OnEndElementL
       
   149 // This method is a callback to indicate the end of the element has been reached.
       
   150 // -----------------------------------------------------------------------------
       
   151 //
       
   152 void CUpnpServiceContentHandler::OnEndElementL( 
       
   153     const RTagInfo& /*aElement*/ )
       
   154     {
       
   155     }
       
   156     
       
   157 // -----------------------------------------------------------------------------
       
   158 // CUpnpServiceContentHandler::OnContentL
       
   159 // This method is a callback that sends the content of the element.
       
   160 // -----------------------------------------------------------------------------
       
   161 //
       
   162 void CUpnpServiceContentHandler::OnContentL( const TDesC8& /*aBytes*/ )
       
   163     {
       
   164     }
       
   165     
       
   166 // -----------------------------------------------------------------------------
       
   167 // CUpnpServiceContentHandler::ResultService()
       
   168 // Returns parsed CUpnpService object, and pass ownership to the caller.
       
   169 // One shouldn't call this method if CUpnpServiceContentHandler dosn't have
       
   170 // ownership CUpnpService object.
       
   171 // -----------------------------------------------------------------------------
       
   172 //
       
   173 CUpnpService* CUpnpServiceContentHandler::ResultService()
       
   174     {
       
   175     ASSERT( iIsServiceOwned );
       
   176     CUpnpService* result = iResultService;
       
   177     iIsServiceOwned= EFalse;
       
   178     iResultService = NULL;
       
   179     return result;
       
   180     }
       
   181 
       
   182 //  End of File