calendarengines/calenimp/src/CalenImporter.cpp
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     1 /*
       
     2 * Copyright (c) 2002 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:   The class converts from a stream to one or more agenda
       
    15 *                entries.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 //debug
       
    21 #include "calendarengines_debug.h"
       
    22 
       
    23 // INCLUDE FILES
       
    24 #include "CalenImporter.h"
       
    25 
       
    26 
       
    27 #include "AgnExternalInterface.h"
       
    28 #include <agnimportobserver.h>
       
    29 
       
    30 #include <caldataexchange.h>
       
    31 #include <calentry.h>
       
    32 #include <caldataformat.h>
       
    33 #include <featmgr.h>
       
    34 
       
    35 #include <coemain.h>
       
    36 //#include <AgnVersit.h>  // not used because of symbian's Sphinx release
       
    37 
       
    38 
       
    39 
       
    40 // LOCAL CONSTANTS AND MACROS
       
    41 _LIT8( KICalMimeType, "text/calendar" );
       
    42 
       
    43 
       
    44 // ================= MEMBER FUNCTIONS =======================
       
    45 
       
    46 // Two-phased constructor.
       
    47 EXPORT_C CCalenImporter* CCalenImporter::NewL( CCalSession& aSession )
       
    48     {
       
    49     TRACE_ENTRY_POINT;
       
    50     
       
    51     CCalenImporter* self = new (ELeave) CCalenImporter( aSession );
       
    52     CleanupStack::PushL(self);
       
    53     self->ConstructL();
       
    54     CleanupStack::Pop(); // self
       
    55     
       
    56     TRACE_EXIT_POINT;
       
    57     return self;
       
    58     }
       
    59 
       
    60 // Destructor.
       
    61 EXPORT_C CCalenImporter::~CCalenImporter()
       
    62     {
       
    63     TRACE_ENTRY_POINT;
       
    64     
       
    65     delete iICalInterface;
       
    66     delete iVCalDataExchange;
       
    67     FeatureManager::UnInitializeLib();
       
    68     
       
    69     TRACE_EXIT_POINT;
       
    70     }
       
    71 
       
    72 // C++ default constructor.
       
    73 CCalenImporter::CCalenImporter( CCalSession& aSession ) : 
       
    74     iSession( aSession )
       
    75     {
       
    76     TRACE_ENTRY_POINT;
       
    77     
       
    78     //Debug counter, used for incrementing the file number
       
    79     #ifdef TRACE_TO_FILE_IMPORT
       
    80         iFileNumber = 0;
       
    81     #endif
       
    82     
       
    83     iImportMode=ECalenImportModeNormal;
       
    84     
       
    85     TRACE_EXIT_POINT;
       
    86     }
       
    87 
       
    88 // By default Symbian OS constructor is private.
       
    89 void CCalenImporter::ConstructL()
       
    90     {
       
    91     TRACE_ENTRY_POINT;
       
    92     
       
    93     FeatureManager::InitializeLibL(); 
       
    94     
       
    95     TRACE_EXIT_POINT;
       
    96     }
       
    97 
       
    98 // Possibility to set the import mode for importer to use e.g. japanese charset.
       
    99 EXPORT_C void CCalenImporter::SetImportMode(TCalenImportMode aImportMode)
       
   100     {
       
   101     TRACE_ENTRY_POINT;
       
   102     
       
   103     iImportMode=aImportMode;
       
   104     
       
   105     TRACE_EXIT_POINT;
       
   106     }
       
   107 
       
   108 
       
   109 // ---------------------------------------------------------
       
   110 // CCalenImporter::ImportVCalendarL
       
   111 // Import vCalendar entries from aReadStream to aArray. 
       
   112 // (other items were commented in a header).
       
   113 // ---------------------------------------------------------
       
   114 //
       
   115 EXPORT_C void CCalenImporter::ImportVCalendarL( 
       
   116     RReadStream& aReadStream, 
       
   117     RPointerArray<CCalEntry>& aArray )
       
   118     {
       
   119     TRACE_ENTRY_POINT;
       
   120         
       
   121     //Debug - Write the vCal to file
       
   122     #ifdef TRACE_TO_FILE_IMPORT
       
   123         DebugPrintFunction( aReadStream );
       
   124     #endif
       
   125     
       
   126     if( ! iVCalDataExchange )
       
   127         {
       
   128         iVCalDataExchange = CCalDataExchange::NewL( iSession );
       
   129         }
       
   130 
       
   131 // check if extended flag is on and japanese variant is on.
       
   132     if ( (iImportMode==ECalenImportModeExtended) && (FeatureManager::FeatureSupported(KFeatureIdJapanese) ))
       
   133         {
       
   134         // if Japanese flag is set we will pass Japanese charset flag to ImportL
       
   135         iVCalDataExchange->ImportL( KUidVCalendar, aReadStream, aArray,KCalDataExchangeDefaultShiftJIS);
       
   136             
       
   137         }
       
   138 // we use normal method (ECalenImportModeNormal)
       
   139     else
       
   140         {
       
   141     	iVCalDataExchange->ImportL( KUidVCalendar, aReadStream, aArray );
       
   142         }
       
   143         
       
   144 	TRACE_EXIT_POINT;
       
   145     }
       
   146 
       
   147 // ---------------------------------------------------------
       
   148 // CCalenImporter::ImportICalendarL
       
   149 // Import iCalendar entries from aReadStream to aArray. 
       
   150 // (other items were commented in a header).
       
   151 // ---------------------------------------------------------
       
   152 //
       
   153 EXPORT_C void CCalenImporter::ImportICalendarL( 
       
   154     RReadStream& aReadStream, 
       
   155     RPointerArray<CCalEntry>& aArray )
       
   156     {
       
   157     TRACE_ENTRY_POINT;
       
   158     
       
   159     //Debug - Write the iCal to file
       
   160     #ifdef TRACE_TO_FILE_IMPORT
       
   161         DebugPrintFunction( aReadStream );
       
   162     #endif
       
   163     
       
   164     if( ! iICalInterface )
       
   165         {
       
   166         iICalInterface = CAgnExternalInterface::NewL( KICalMimeType );
       
   167         }        
       
   168 	iICalInterface->ImportL( aArray, aReadStream, 0, *this ); 
       
   169 	
       
   170 	TRACE_EXIT_POINT;   
       
   171     }
       
   172 
       
   173 MAgnImportObserver::TImpResponse CCalenImporter::AgnImportErrorL(
       
   174     TImpError /*aType*/,
       
   175     const TDesC8& /*aUid*/,
       
   176     const TDesC& /*aContext*/ )
       
   177     {
       
   178     TRACE_ENTRY_POINT;
       
   179     TRACE_EXIT_POINT;
       
   180     return EImpResponseContinue;
       
   181     }
       
   182 
       
   183 
       
   184 #ifdef TRACE_TO_FILE_IMPORT
       
   185     //Wrapper function to write the readstream to file
       
   186     void CCalenImporter::DebugPrintFunction( RReadStream& aReadStream ) 
       
   187         {
       
   188         TRAPD( error, WriteReadStreamToFileL( aReadStream ) );
       
   189         
       
   190         //Even if WriteReadStreamToFileL leaves we want to reset the file
       
   191         //because we don't know which function left
       
   192         TRAP( error, ResetReadStreamL( aReadStream ));
       
   193         }
       
   194         
       
   195     //Writes the stream to a file
       
   196     void CCalenImporter::WriteReadStreamToFileL( RReadStream& aReadStream ) 
       
   197         {
       
   198         TBuf<50> fileName;
       
   199         _LIT(KDefaultFileName, "C://calenImp_%d.txt");
       
   200         fileName.Format( KDefaultFileName, iFileNumber );
       
   201 
       
   202         RFs aFs;
       
   203         User::LeaveIfError(aFs.Connect());
       
   204         CleanupClosePushL(aFs);
       
   205         aFs.MkDirAll(KDefaultFileName);
       
   206 
       
   207         RFileWriteStream rs;
       
   208         User::LeaveIfError(rs.Replace(aFs, fileName, EFileWrite));
       
   209         CleanupClosePushL(rs);
       
   210 
       
   211         rs.WriteL( aReadStream );
       
   212         rs.CommitL();
       
   213 
       
   214         CleanupStack::PopAndDestroy(&rs);
       
   215         CleanupStack::PopAndDestroy(&aFs);
       
   216         
       
   217         //Increase the filenumber with one, a new file is created for each vCal/iCal
       
   218         ++iFileNumber;
       
   219         }
       
   220 
       
   221     //Resets the stream pointer to point to begining of stream
       
   222     void CCalenImporter::ResetReadStreamL( RReadStream& aReadStream ) 
       
   223         {
       
   224         //Set the read pointer to point to the beginning of the stream
       
   225         TStreamPos pos( 0 );
       
   226         MStreamBuf* streamBuf = aReadStream.Source();
       
   227         streamBuf->SeekL( MStreamBuf::ERead, pos );
       
   228         }
       
   229 #endif
       
   230 
       
   231 // ================= OTHER EXPORTED FUNCTIONS ==============
       
   232 //
       
   233 // ---------------------------------------------------------
       
   234 // E32Dll(TDllReason)
       
   235 // Entry point function for Symbian OS Apps
       
   236 // Returns: KErrNone: No error
       
   237 // ---------------------------------------------------------
       
   238 //
       
   239 #ifndef EKA2
       
   240 GLDEF_C TInt E32Dll(TDllReason)
       
   241     {
       
   242     return KErrNone;
       
   243     }
       
   244 #endif
       
   245 
       
   246 // End of File