datacommsserver/esockserver/csock/cs_commsdataobject.cpp
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     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 /**
       
    17  @file
       
    18  @internalTechnology
       
    19 */
       
    20 
       
    21 #include <comms-infras/metatype.h>
       
    22 #include <comms-infras/es_commsdataobject.h>
       
    23 
       
    24 
       
    25 #ifdef _DEBUG
       
    26 // Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module
       
    27 // (if it could happen through user error then you should give it an explicit, documented, category + code)
       
    28 _LIT(KSpecAssert_ESockCSockcscmsd, "ESockCSockcscmsd");
       
    29 #endif
       
    30 
       
    31 using namespace ESock;
       
    32 
       
    33 // No type Id since this class must be derived from.
       
    34 // We deliberately do not register the attributes of this base class for
       
    35 // serialization (with the exception of the iOperationMode member).
       
    36 // They will be provided by the the c'tor of the deriving class. 
       
    37 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XCommsDataObject, 0, 0)
       
    38 	REGISTER_ATTRIBUTE(XCommsDataObject, iOperationMode, TMeta<TUint>)
       
    39 END_ATTRIBUTE_TABLE()
       
    40 
       
    41 
       
    42 
       
    43 EXPORT_C CCommsDataObjectBase* CCommsDataObjectBase::NewL(XCommsDataObject* aDataObject)
       
    44 	{
       
    45 	if (!aDataObject) 
       
    46 		{
       
    47 		User::Leave(KErrArgument);
       
    48 		}
       
    49 	return new (ELeave)CCommsDataObjectBase(aDataObject);
       
    50 	}
       
    51 
       
    52 
       
    53 EXPORT_C CCommsDataObjectBase* CCommsDataObjectBase::LoadL(TPtrC8& aBuffer)
       
    54 	{
       
    55 	CCommsDataObjectBase* self = new (ELeave)CCommsDataObjectBase(NULL);
       
    56 	CleanupStack::PushL(self);
       
    57 	User::LeaveIfError(self->Load(aBuffer));
       
    58 	CleanupStack::Pop();
       
    59 	return self;
       
    60 	}
       
    61 
       
    62 
       
    63 EXPORT_C CCommsDataObjectBase::CCommsDataObjectBase(XCommsDataObject* aDataObject)
       
    64 	: iDataObject(aDataObject)
       
    65 	{
       
    66 	}
       
    67 
       
    68 
       
    69 EXPORT_C CCommsDataObjectBase::~CCommsDataObjectBase()
       
    70 	{
       
    71 	delete iDataObject;
       
    72 	}
       
    73 
       
    74 
       
    75 EXPORT_C TInt CCommsDataObjectBase::Load(TPtrC8& aBuffer)
       
    76 	{
       
    77 	XCommsDataObject* newDataObject = NULL;
       
    78 	TRAPD(err, newDataObject = static_cast<XCommsDataObject*>(XCommsDataObject::LoadL(aBuffer)));
       
    79 	if (err == KErrNone)
       
    80 		{
       
    81 		delete iDataObject;
       
    82 		iDataObject = newDataObject;
       
    83 		}
       
    84 	return err;
       
    85 	}
       
    86 	
       
    87 	
       
    88 EXPORT_C TInt CCommsDataObjectBase::Store(TDes8& aBuffer) const
       
    89 	{
       
    90 	return iDataObject->Store(aBuffer);
       
    91 	}
       
    92 	
       
    93 	
       
    94 EXPORT_C void CCommsDataObjectBase::Copy(const TAny* aData)
       
    95 	{
       
    96 	__ASSERT_DEBUG(aData, User::Panic(KSpecAssert_ESockCSockcscmsd, 1));
       
    97 	const CCommsDataObjectBase* srcData = reinterpret_cast<const CCommsDataObjectBase*>(aData);
       
    98 	iDataObject->Copy(*srcData->iDataObject);
       
    99 	}
       
   100 	
       
   101 	
       
   102 EXPORT_C TInt CCommsDataObjectBase::Length() const
       
   103 	{
       
   104 	return iDataObject->Length();
       
   105 	}
       
   106