os/security/contentmgmt/contentaccessfwfordrm/source/cafutils/embeddedobject.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 /*
     2 * Copyright (c) 2004-2009 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 the License "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 #include <s32strm.h>
    20 #include <caf/embeddedobject.h>
    21 #include "cafutils.h"
    22 
    23 using namespace ContentAccess;
    24 
    25 EXPORT_C CEmbeddedObject* CEmbeddedObject::NewL(const TDesC& aUniqueId, const TDesC& aName, const TDesC8& aMimeType, TEmbeddedType aType)
    26 	{
    27 	CEmbeddedObject* self = new (ELeave) CEmbeddedObject(aType);
    28 	CleanupStack::PushL(self);
    29 	self->ConstructL(aUniqueId, aName, aMimeType);
    30 	CleanupStack::Pop(self);
    31 	return self;
    32 	}
    33 
    34 EXPORT_C CEmbeddedObject* CEmbeddedObject::NewL(const TDesC& aUniqueId, const TDesC8& aMimeType, TEmbeddedType aType)
    35 	{
    36 	return CEmbeddedObject::NewL(aUniqueId, KNullDesC(), aMimeType, aType);
    37 	}
    38 
    39 EXPORT_C CEmbeddedObject* CEmbeddedObject::NewL(RReadStream& aStream)
    40 	{
    41 	CEmbeddedObject* self = new (ELeave) CEmbeddedObject(EContentObject);
    42 	CleanupStack::PushL(self);
    43 	self->InternalizeL(aStream);
    44 	CleanupStack::Pop(self);
    45 	return self;
    46 	}
    47 
    48 
    49 CEmbeddedObject::CEmbeddedObject(TEmbeddedType aType) : iType(aType)
    50 	{	
    51 	}
    52 
    53 CEmbeddedObject::~CEmbeddedObject()
    54 	{
    55 	delete iUniqueId;
    56 	delete iName;
    57 	}
    58 
    59 void CEmbeddedObject::ConstructL(const TDesC& aUniqueId, const TDesC& aName, const TDesC8& aMimeType)
    60 	{
    61 	// Store the unique Id
    62 	iUniqueId = aUniqueId.AllocL();
    63 	
    64 	// Only store the name if it is non zero, otherwise we presume the name
    65 	// is the same as the UniqueId
    66 	if(aName.Length() != 0)
    67 		{
    68 		iName = aName.AllocL();			
    69 		}
    70 	iMimeType.Copy(aMimeType.Left(KMaxDataTypeLength));
    71 	}
    72 
    73 EXPORT_C const TDesC& CEmbeddedObject::UniqueId() const
    74 	{
    75 	// return the name of the embedded object
    76 	return *iUniqueId;
    77 	}
    78 
    79 EXPORT_C const TDesC& CEmbeddedObject::Name() const
    80 	{
    81 	if(iName)
    82 		{
    83 		return *iName;	
    84 		}
    85 	else
    86 		{
    87 		// Name is NULL so must be the same as UniqueId
    88 		return *iUniqueId;	
    89 		}
    90 	}
    91 		
    92 EXPORT_C const TDesC8& CEmbeddedObject::MimeType() const
    93 	{
    94 	// return the mime type of the embedded object
    95 	return iMimeType;
    96 	}
    97 
    98 EXPORT_C TEmbeddedType CEmbeddedObject::Type() const
    99 	{
   100 	// return the type of object (container, content, agent specific object)
   101 	return iType;
   102 	}
   103 
   104 
   105 EXPORT_C void CEmbeddedObject::ExternalizeL(RWriteStream& aStream) const
   106 	{
   107 	// write the name, mime type and embedded object type to the stream
   108 	TCafUtils::WriteDescriptor16L(aStream, *iUniqueId);
   109 	TCafUtils::WriteDescriptor8L(aStream, iMimeType);
   110 	aStream.WriteInt32L(static_cast<TInt>(iType));
   111 	if(iName)
   112 		{
   113 		TCafUtils::WriteDescriptor16L(aStream, *iName);
   114 		}
   115 	else
   116 		{
   117 		TCafUtils::WriteDescriptor16L(aStream, KNullDesC());	
   118 		}
   119 	}	
   120 
   121 void CEmbeddedObject::InternalizeL(RReadStream& aStream)
   122 	{
   123 	// Read name, mime type and embedded object type from the stream
   124 	iUniqueId = TCafUtils::ReadDescriptor16L(aStream);
   125 	TCafUtils::ReadDescriptor8L(aStream, iMimeType);
   126 	iType = static_cast<TEmbeddedType> (aStream.ReadInt32L());
   127 	iName = TCafUtils::ReadDescriptor16L(aStream);
   128 	// If the name is zero length it is supposed to be iName = NULL
   129 	if(iName->Des().Length() == 0)
   130 		{
   131 		delete iName;
   132 		iName=NULL;
   133 		}
   134 	}
   135