javaextensions/satsa/apdu/src.s60/cstsfile.cpp
branchRCL_3
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16:f5050f1da672 19:04becd199f91
       
     1 /*
       
     2 * Copyright (c) 2008 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 
       
    19 // INCLUDE FILES
       
    20 
       
    21 #include  "cstsfile.h"
       
    22 
       
    23 namespace java
       
    24 {
       
    25 namespace satsa
       
    26 {
       
    27 
       
    28 // CONSTANTS
       
    29 const TUint8 KSTSSequenceTag = 0x30;
       
    30 //sequence byte + 3 bytes for long form length
       
    31 const TInt KSTSTLVHeaderLength = 4;
       
    32 const TInt KSTSFirstOctet = 8;
       
    33 const TUint8 KSTSInitialLengthOctet = 0x82;
       
    34 
       
    35 // ============================ MEMBER FUNCTIONS ===============================
       
    36 
       
    37 // -----------------------------------------------------------------------------
       
    38 // CSTSFile::CSTSFile
       
    39 // C++ default constructor can NOT contain any code, that
       
    40 // might leave.
       
    41 // -----------------------------------------------------------------------------
       
    42 //
       
    43 CSTSFile::CSTSFile()
       
    44 {
       
    45 }
       
    46 
       
    47 // Destructor
       
    48 CSTSFile::~CSTSFile()
       
    49 {
       
    50     delete iDataBuf;
       
    51 }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // CSTSFile::ReadL
       
    55 // Reads and decodes file data
       
    56 // (other items were commented in a header).
       
    57 // -----------------------------------------------------------------------------
       
    58 void CSTSFile::ReadL(TInt aMaxValidDataAmount)
       
    59 {
       
    60     ResetData();
       
    61 
       
    62     TPtrC8 fileData;
       
    63     fileData.Set(RetrieveContentL());
       
    64     iFileSize = fileData.Length();
       
    65     iMaxValidDataAmount = aMaxValidDataAmount;
       
    66     //allocate buffer for file data
       
    67     HBufC8* tmp = HBufC8::NewL(iFileSize + KSTSTLVHeaderLength);
       
    68     delete iDataBuf;
       
    69     iDataBuf = tmp;
       
    70 
       
    71     //append sequence tag and size bytes
       
    72     iDataBuf->Des().Append(KSTSSequenceTag);
       
    73     iDataBuf->Des().Append(KSTSInitialLengthOctet);
       
    74     iDataBuf->Des().Append(iFileSize >> KSTSFirstOctet);//first octet=high byte of length
       
    75     iDataBuf->Des().Append(iFileSize); //second octet=low byte of length
       
    76 
       
    77     TPtr8 wholeData(iDataBuf->Des());
       
    78     wholeData.Append(fileData);
       
    79 
       
    80     DecodeL(wholeData);
       
    81 }
       
    82 
       
    83 // -----------------------------------------------------------------------------
       
    84 // CSTSFile::FoundRecords
       
    85 //
       
    86 // (other items were commented in a header).
       
    87 // -----------------------------------------------------------------------------
       
    88 TInt CSTSFile::FoundRecords() const
       
    89 {
       
    90     return iFoundRecords;
       
    91 }
       
    92 
       
    93 // -----------------------------------------------------------------------------
       
    94 // CSTSFile::DecodeL
       
    95 //
       
    96 // (other items were commented in a header).
       
    97 // -----------------------------------------------------------------------------
       
    98 void CSTSFile::DecodeL(const TDesC8& aRawData)
       
    99 {
       
   100     CArrayPtr<TASN1DecGeneric>* itemsData = DecodeSequenceLC(EFalse, //must be sequence
       
   101                                             aRawData);
       
   102 
       
   103     TInt count = itemsData->Count();
       
   104     TBool validDataFound = EFalse;
       
   105 
       
   106     for (TInt i = 0; (i < count) && !validDataFound; i++)
       
   107     {
       
   108         validDataFound = DecodeAndAppendRowL(itemsData->At(i)->Encoding(),
       
   109                                              iMaxValidDataAmount);
       
   110     }
       
   111     CleanupStack::PopAndDestroy(itemsData);
       
   112 
       
   113 }
       
   114 
       
   115 } // namespace satsa
       
   116 } // namespace java
       
   117 //  End of File