1 /*

     2 * Copyright (c) 2005-2007 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:  OMA DS Folder object XML parser

    15 *

    16 */

    17 

    18 

    19 #include <SenXmlUtils.h>

    20 #include "OMADSFolderObject.h"

    21 #include "utf.h"

    22 #include "Logger.h"

    23 

    24 _LIT8(KOMADSFolderElement, "Folder");

    25 _LIT8(KOMADSNameElement, "name");

    26 _LIT8(KOMADSCreatedElement, "created");

    27 _LIT8(KOMADSModifiedElement, "modified");

    28 

    29 _LIT(KFolderBeginTag, "<Folder>");

    30 _LIT(KFolderEndTag, "</Folder>");

    31 _LIT(KNameBeginTag, "<name>");

    32 _LIT(KNameEndTag, "</name>");

    33 _LIT(KCreatedBeginTag, "<created>");

    34 _LIT(KCreatedEndTag, "</created>");

    35 _LIT(KModifiedBeginTag, "<modified>");

    36 _LIT(KModifiedEndTag, "</modified>");

    37 _LIT(KDateFormat, "%04d%02d%02dT%02d%02d%02d");

    38 

    39 

    40 COMADSFolderObject* COMADSFolderObject::NewLC()

    41     {

    42     COMADSFolderObject* pSelf = new (ELeave) COMADSFolderObject;

    43     CleanupStack::PushL( pSelf );

    44     pSelf->ConstructL();

    45     return pSelf;

    46     }

    47 

    48 COMADSFolderObject* COMADSFolderObject::NewL()

    49     {

    50     COMADSFolderObject* pSelf = COMADSFolderObject::NewLC();

    51     CleanupStack::Pop( pSelf );    

    52     return pSelf;

    53     }

    54 

    55 COMADSFolderObject::~COMADSFolderObject()

    56     {

    57     delete iXmlReader;

    58     }

    59 

    60 void COMADSFolderObject::ConstructL()

    61     {

    62     iXmlReader = CSenXmlReader::NewL();

    63     iXmlReader->SetContentHandler(*this);

    64     }

    65 

    66 TInt COMADSFolderObject::ImportFolderXml( RFs& aFs, const TDesC& aFilename )

    67     {

    68     LOGGER_ENTERFN( "COMADSFolderObject::ImportFolderXml" );    

    69         

    70     TInt error;

    71     

    72     Reset();

    73     TRAP( error, iXmlReader->ParseL( aFs, aFilename ) )

    74     if( error != KErrNone )

    75         {

    76         LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );

    77         return error;

    78         }

    79     

    80     LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );

    81     return iError;

    82     }

    83     

    84 TInt COMADSFolderObject::ImportFolderXml( const TDesC8& aData )

    85     {

    86     LOGGER_ENTERFN( "COMADSFolderObject::ImportFolderXml" );

    87     LOG(aData);     

    88     

    89     TInt error;

    90     

    91     Reset();

    92     

    93     TRAP(error, iXmlReader->ParseL(aData) );

    94     if(error != KErrNone )

    95         {

    96         LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );

    97         return error;

    98         }

    99     LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );

   100     return iError;

   101     }

   102     

   103 void COMADSFolderObject::ExportFolderXmlL(CBufBase& aBuffer)

   104     {

   105     iDesc = NULL;

   106     iBuffer = &aBuffer;

   107     iWriteBufPosition = 0;

   108     iWriteBufSize = aBuffer.Size();     

   109 

   110     ExportL();

   111     }

   112     

   113 void COMADSFolderObject::ExportFolderXmlL(TDes8& aBuffer)

   114     {

   115     iDesc = &aBuffer;

   116     iBuffer = NULL;

   117     

   118     ExportL();

   119     }

   120     

   121 void COMADSFolderObject::ExportL()

   122     {

   123     // Folder

   124     WriteL(KFolderBeginTag);

   125     

   126     // Name

   127     WriteL(KNameBeginTag);

   128     WriteEncodedXmlL(iName);

   129     WriteL(KNameEndTag);

   130     

   131     // Created Date

   132     TBuf<32> tempdate;

   133     tempdate.Format(KDateFormat, iCreatedDate.Year(), iCreatedDate.Month()+1, iCreatedDate.Day(),

   134                                  iCreatedDate.Hour(), iCreatedDate.Minute(), iCreatedDate.Second());

   135     WriteL(KCreatedBeginTag);

   136     WriteL(tempdate);

   137     WriteL(KCreatedEndTag);

   138     

   139     // Modified Date

   140     tempdate.Format(KDateFormat, iModifiedDate.Year(), iModifiedDate.Month()+1, iModifiedDate.Day(),

   141                                  iModifiedDate.Hour(), iModifiedDate.Minute(), iModifiedDate.Second());

   142     WriteL(KModifiedBeginTag);

   143     WriteL(tempdate);

   144     WriteL(KModifiedEndTag);

   145     

   146     // Folder end

   147     WriteL(KFolderEndTag);

   148     }

   149     

   150 void COMADSFolderObject::WriteL( const TDesC &aData )

   151     {   

   152     CnvUtfConverter converter;

   153     User::LeaveIfError( converter.ConvertFromUnicodeToUtf8( iTemp, aData ) );

   154                     

   155     if ( iBuffer )

   156         {

   157         TInt newPosition = iWriteBufPosition + iTemp.Length();

   158 

   159         if ( newPosition > iWriteBufSize )

   160             {

   161             TInt expand = newPosition - iWriteBufSize;

   162             iBuffer->ExpandL( iWriteBufSize, expand );

   163             iWriteBufSize += expand;

   164             }

   165 

   166         iBuffer->Write( iWriteBufPosition, iTemp );

   167         iWriteBufPosition = newPosition;

   168         }

   169     else if( iDesc )

   170         {

   171         iDesc->Append( iTemp );       

   172         }   

   173     }

   174     

   175 void COMADSFolderObject::WriteEncodedXmlL( const TDesC &aData )

   176     {   

   177     CnvUtfConverter converter;

   178     User::LeaveIfError( converter.ConvertFromUnicodeToUtf8( iTemp, aData ) );

   179     

   180     HBufC8* xmlData = SenXmlUtils::EncodeHttpCharactersLC( iTemp ); 

   181                     

   182     if ( iBuffer )

   183         {

   184         TInt newPosition = iWriteBufPosition + xmlData->Length();

   185 

   186         if ( newPosition > iWriteBufSize )

   187             {

   188             TInt expand = newPosition - iWriteBufSize;

   189             iBuffer->ExpandL( iWriteBufSize, expand );

   190             iWriteBufSize += expand;

   191             }

   192 

   193         iBuffer->Write( iWriteBufPosition, *xmlData );

   194         iWriteBufPosition = newPosition;

   195         }

   196     else if( iDesc )

   197         {

   198         iDesc->Append( *xmlData );

   199         }   

   200         

   201     CleanupStack::PopAndDestroy( xmlData );   

   202     }           

   203     

   204 TInt COMADSFolderObject::StartDocument()

   205     {

   206     return KErrNone;

   207     }

   208 

   209 TInt COMADSFolderObject::EndDocument()

   210     {

   211     return KErrNone;

   212     }

   213 

   214 TInt COMADSFolderObject::StartElement(const TDesC8& /*aURI*/, 

   215                   const TDesC8& /*aLocalName*/, 

   216                   const TDesC8& aName, 

   217                   const RAttributeArray& /*apAttrs*/)

   218     {

   219     LOGGER_ENTERFN( "COMADSFolderObject::StartElement" );  

   220     iCurrentElement.Copy( aName );

   221     LOGGER_LEAVEFN( "COMADSFolderObject::StartElement" );

   222     return KErrNone;

   223     }

   224                                     

   225 TInt COMADSFolderObject::EndElement(const TDesC8& /*aURI*/, 

   226                 const TDesC8& /*aLocalName*/, 

   227                 const TDesC8& /*aName*/)

   228     {

   229     LOGGER_ENTERFN( "COMADSFolderObject::EndElement" );        

   230     iCurrentElement.SetLength(0);

   231     LOGGER_LEAVEFN( "COMADSFolderObject::EndElement" );

   232     return KErrNone;

   233     }

   234 

   235 TInt COMADSFolderObject::Characters( const TDesC8& aBuf, TInt aStart, TInt aLength )

   236     {

   237     LOGGER_ENTERFN( "COMADSFolderObject::Characters" );

   238     LOG(aBuf);    

   239     

   240     TInt error;

   241     

   242     if( iCurrentElement.Compare( KOMADSFolderElement ) == 0 )

   243         {

   244         LOGGER_LEAVEFN( "COMADSFolderObject::Characters" );

   245         return KErrNone;

   246         }

   247     

   248     else if ( iCurrentElement.Compare( KOMADSNameElement ) == 0 )

   249         {                

   250         CnvUtfConverter converter;

   251         TBuf<KMaxFolderNameLength> buf;

   252         error = converter.ConvertToUnicodeFromUtf8( buf, aBuf.Mid( aStart, aLength ) );

   253         TInt length = buf.Length() + iName.Length();

   254         

   255         if ( error > 0 )

   256             {

   257             LOGGER_WRITE_1("Too long name, number of uncorverted bytes: %d", error);

   258             }

   259         else if ( error != KErrNone )

   260             {

   261             LOGGER_WRITE_1("ConvertToUnicodeFromUtf8 failed with %d", error);

   262             iError = error;

   263             }

   264         else if ( length > iName.MaxLength() )

   265             {

   266             LOGGER_WRITE_1("Too long name total: %d", length);

   267             }

   268         else

   269             {

   270             iName.Append( buf );

   271             }       

   272         }

   273     else if ( iCurrentElement.Compare( KOMADSCreatedElement ) == 0 )

   274         {

   275         error = ParseDateString( aBuf.Mid( aStart, aLength ), iCreatedDate );

   276         if( error != KErrNone )

   277             {

   278             iError = error;

   279             }

   280         }

   281     else if ( iCurrentElement.Compare( KOMADSModifiedElement ) == 0 )

   282         {

   283         error = ParseDateString( aBuf.Mid( aStart, aLength ), iModifiedDate );

   284         if ( error != KErrNone )

   285             {

   286             iError = error;

   287             }

   288         }

   289     LOGGER_LEAVEFN( "COMADSFolderObject::Characters" );

   290     return KErrNone;

   291     }

   292 

   293 TInt COMADSFolderObject::ParseDateString(const TDesC8& aString, TDateTime& aDateTime)

   294     {

   295     // Ensure we don't read beyond the buffer limits

   296     if(aString.Length() < 15)

   297         return KErrArgument;

   298     

   299     // Extract the fields from the string

   300     TLex8 yearDesc(aString.Mid(0, 4));

   301     TLex8 monthDesc(aString.Mid(4, 2));

   302     TLex8 dayDesc(aString.Mid(6, 2));

   303     // Skip one character here, it's supposed to be 'T'

   304     TLex8 hourDesc(aString.Mid(9, 2));

   305     TLex8 minuteDesc(aString.Mid(11, 2));

   306     TLex8 secondDesc(aString.Mid(13, 2));

   307     

   308     TInt year, month, day, hour, minute, second;

   309     TInt error;

   310     

   311     // Fetch the values to temporary variables

   312     if((error = yearDesc.Val(year)) != KErrNone)

   313         return error;

   314     if((error = monthDesc.Val(month)) != KErrNone)

   315         return error;

   316     if((error = dayDesc.Val(day)) != KErrNone)

   317         return error;

   318     if((error = hourDesc.Val(hour)) != KErrNone)

   319         return error;

   320     if((error = minuteDesc.Val(minute)) != KErrNone)

   321         return error;

   322     if((error = secondDesc.Val(second)) != KErrNone)

   323         return error;

   324     

   325     // Assign values to datetime object

   326     if((error = aDateTime.SetYear(year)) != KErrNone)

   327         return error;

   328     if((error = aDateTime.SetMonth((TMonth)(month-1))) != KErrNone)

   329         return error;

   330     if((error = aDateTime.SetDay(day)) != KErrNone)

   331         return error;

   332     if((error = aDateTime.SetHour(hour)) != KErrNone)

   333         return error;

   334     if((error = aDateTime.SetMinute(minute)) != KErrNone)

   335         return error;

   336     if((error = aDateTime.SetSecond(second)) != KErrNone)

   337         return error;

   338     

   339     return KErrNone;

   340     }

   341 

   342 void COMADSFolderObject::Reset()

   343     {

   344     iError = KErrNone;

   345     iName.SetLength(0);

   346     iCreatedDate.Set(2005, EJanuary, 1, 0, 0, 0, 0);

   347     iModifiedDate.Set(2005, EJanuary, 1, 0, 0, 0, 0);

   348     }

   349     

   350 TInt COMADSFolderObject::Error(TInt aErrorCode)

   351     {

   352     iError = aErrorCode;

   353     return KErrNone;

   354     }

   355