omads/omadsextensions/adapters/sms/src/omadsfolderobject.cpp
changeset 40 b63e67867dcd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omads/omadsextensions/adapters/sms/src/omadsfolderobject.cpp	Tue Jul 13 03:39:25 2010 +0530
@@ -0,0 +1,355 @@
+/*
+* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  OMA DS Folder object XML parser
+*
+*/
+
+
+#include <SenXmlUtils.h>
+#include "omadsfolderobject.h"
+#include "utf.h"
+#include "logger.h"
+
+_LIT8(KOMADSFolderElement, "Folder");
+_LIT8(KOMADSNameElement, "name");
+_LIT8(KOMADSCreatedElement, "created");
+_LIT8(KOMADSModifiedElement, "modified");
+
+_LIT(KFolderBeginTag, "<Folder>");
+_LIT(KFolderEndTag, "</Folder>");
+_LIT(KNameBeginTag, "<name>");
+_LIT(KNameEndTag, "</name>");
+_LIT(KCreatedBeginTag, "<created>");
+_LIT(KCreatedEndTag, "</created>");
+_LIT(KModifiedBeginTag, "<modified>");
+_LIT(KModifiedEndTag, "</modified>");
+_LIT(KDateFormat, "%04d%02d%02dT%02d%02d%02d");
+
+
+COMADSFolderObject* COMADSFolderObject::NewLC()
+    {
+    COMADSFolderObject* pSelf = new (ELeave) COMADSFolderObject;
+    CleanupStack::PushL( pSelf );
+    pSelf->ConstructL();
+    return pSelf;
+    }
+
+COMADSFolderObject* COMADSFolderObject::NewL()
+    {
+    COMADSFolderObject* pSelf = COMADSFolderObject::NewLC();
+    CleanupStack::Pop( pSelf );    
+    return pSelf;
+    }
+
+COMADSFolderObject::~COMADSFolderObject()
+    {
+    delete iXmlReader;
+    }
+
+void COMADSFolderObject::ConstructL()
+    {
+    iXmlReader = CSenXmlReader::NewL();
+    iXmlReader->SetContentHandler(*this);
+    }
+
+TInt COMADSFolderObject::ImportFolderXml( RFs& aFs, const TDesC& aFilename )
+    {
+    LOGGER_ENTERFN( "COMADSFolderObject::ImportFolderXml" );    
+        
+    TInt error;
+    
+    Reset();
+    TRAP( error, iXmlReader->ParseL( aFs, aFilename ) )
+    if( error != KErrNone )
+        {
+        LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );
+        return error;
+        }
+    
+    LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );
+    return iError;
+    }
+    
+TInt COMADSFolderObject::ImportFolderXml( const TDesC8& aData )
+    {
+    LOGGER_ENTERFN( "COMADSFolderObject::ImportFolderXml" );
+    LOG(aData);     
+    
+    TInt error;
+    
+    Reset();
+    
+    TRAP(error, iXmlReader->ParseL(aData) );
+    if(error != KErrNone )
+        {
+        LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );
+        return error;
+        }
+    LOGGER_LEAVEFN( "COMADSFolderObject::ImportFolderXml" );
+    return iError;
+    }
+    
+void COMADSFolderObject::ExportFolderXmlL(CBufBase& aBuffer)
+    {
+    iDesc = NULL;
+    iBuffer = &aBuffer;
+    iWriteBufPosition = 0;
+    iWriteBufSize = aBuffer.Size();     
+
+    ExportL();
+    }
+    
+void COMADSFolderObject::ExportFolderXmlL(TDes8& aBuffer)
+    {
+    iDesc = &aBuffer;
+    iBuffer = NULL;
+    
+    ExportL();
+    }
+    
+void COMADSFolderObject::ExportL()
+    {
+    // Folder
+    WriteL(KFolderBeginTag);
+    
+    // Name
+    WriteL(KNameBeginTag);
+    WriteEncodedXmlL(iName);
+    WriteL(KNameEndTag);
+    
+    // Created Date
+    TBuf<32> tempdate;
+    tempdate.Format(KDateFormat, iCreatedDate.Year(), iCreatedDate.Month()+1, iCreatedDate.Day(),
+                                 iCreatedDate.Hour(), iCreatedDate.Minute(), iCreatedDate.Second());
+    WriteL(KCreatedBeginTag);
+    WriteL(tempdate);
+    WriteL(KCreatedEndTag);
+    
+    // Modified Date
+    tempdate.Format(KDateFormat, iModifiedDate.Year(), iModifiedDate.Month()+1, iModifiedDate.Day(),
+                                 iModifiedDate.Hour(), iModifiedDate.Minute(), iModifiedDate.Second());
+    WriteL(KModifiedBeginTag);
+    WriteL(tempdate);
+    WriteL(KModifiedEndTag);
+    
+    // Folder end
+    WriteL(KFolderEndTag);
+    }
+    
+void COMADSFolderObject::WriteL( const TDesC &aData )
+    {   
+    CnvUtfConverter converter;
+    User::LeaveIfError( converter.ConvertFromUnicodeToUtf8( iTemp, aData ) );
+                    
+    if ( iBuffer )
+        {
+        TInt newPosition = iWriteBufPosition + iTemp.Length();
+
+        if ( newPosition > iWriteBufSize )
+            {
+            TInt expand = newPosition - iWriteBufSize;
+            iBuffer->ExpandL( iWriteBufSize, expand );
+            iWriteBufSize += expand;
+            }
+
+        iBuffer->Write( iWriteBufPosition, iTemp );
+        iWriteBufPosition = newPosition;
+        }
+    else if( iDesc )
+        {
+        iDesc->Append( iTemp );       
+        }   
+    }
+    
+void COMADSFolderObject::WriteEncodedXmlL( const TDesC &aData )
+    {   
+    CnvUtfConverter converter;
+    User::LeaveIfError( converter.ConvertFromUnicodeToUtf8( iTemp, aData ) );
+    
+    HBufC8* xmlData = SenXmlUtils::EncodeHttpCharactersLC( iTemp ); 
+                    
+    if ( iBuffer )
+        {
+        TInt newPosition = iWriteBufPosition + xmlData->Length();
+
+        if ( newPosition > iWriteBufSize )
+            {
+            TInt expand = newPosition - iWriteBufSize;
+            iBuffer->ExpandL( iWriteBufSize, expand );
+            iWriteBufSize += expand;
+            }
+
+        iBuffer->Write( iWriteBufPosition, *xmlData );
+        iWriteBufPosition = newPosition;
+        }
+    else if( iDesc )
+        {
+        iDesc->Append( *xmlData );
+        }   
+        
+    CleanupStack::PopAndDestroy( xmlData );   
+    }           
+    
+TInt COMADSFolderObject::StartDocument()
+    {
+    return KErrNone;
+    }
+
+TInt COMADSFolderObject::EndDocument()
+    {
+    return KErrNone;
+    }
+
+TInt COMADSFolderObject::StartElement(const TDesC8& /*aURI*/, 
+                  const TDesC8& /*aLocalName*/, 
+                  const TDesC8& aName, 
+                  const RAttributeArray& /*apAttrs*/)
+    {
+    LOGGER_ENTERFN( "COMADSFolderObject::StartElement" );  
+    iCurrentElement.Copy( aName );
+    LOGGER_LEAVEFN( "COMADSFolderObject::StartElement" );
+    return KErrNone;
+    }
+                                    
+TInt COMADSFolderObject::EndElement(const TDesC8& /*aURI*/, 
+                const TDesC8& /*aLocalName*/, 
+                const TDesC8& /*aName*/)
+    {
+    LOGGER_ENTERFN( "COMADSFolderObject::EndElement" );        
+    iCurrentElement.SetLength(0);
+    LOGGER_LEAVEFN( "COMADSFolderObject::EndElement" );
+    return KErrNone;
+    }
+
+TInt COMADSFolderObject::Characters( const TDesC8& aBuf, TInt aStart, TInt aLength )
+    {
+    LOGGER_ENTERFN( "COMADSFolderObject::Characters" );
+    LOG(aBuf);    
+    
+    TInt error;
+    
+    if( iCurrentElement.Compare( KOMADSFolderElement ) == 0 )
+        {
+        LOGGER_LEAVEFN( "COMADSFolderObject::Characters" );
+        return KErrNone;
+        }
+    
+    else if ( iCurrentElement.Compare( KOMADSNameElement ) == 0 )
+        {                
+        CnvUtfConverter converter;
+        TBuf<KMaxFolderNameLength> buf;
+        error = converter.ConvertToUnicodeFromUtf8( buf, aBuf.Mid( aStart, aLength ) );
+        TInt length = buf.Length() + iName.Length();
+        
+        if ( error > 0 )
+            {
+            LOGGER_WRITE_1("Too long name, number of uncorverted bytes: %d", error);
+            }
+        else if ( error != KErrNone )
+            {
+            LOGGER_WRITE_1("ConvertToUnicodeFromUtf8 failed with %d", error);
+            iError = error;
+            }
+        else if ( length > iName.MaxLength() )
+            {
+            LOGGER_WRITE_1("Too long name total: %d", length);
+            }
+        else
+            {
+            iName.Append( buf );
+            }       
+        }
+    else if ( iCurrentElement.Compare( KOMADSCreatedElement ) == 0 )
+        {
+        error = ParseDateString( aBuf.Mid( aStart, aLength ), iCreatedDate );
+        if( error != KErrNone )
+            {
+            iError = error;
+            }
+        }
+    else if ( iCurrentElement.Compare( KOMADSModifiedElement ) == 0 )
+        {
+        error = ParseDateString( aBuf.Mid( aStart, aLength ), iModifiedDate );
+        if ( error != KErrNone )
+            {
+            iError = error;
+            }
+        }
+    LOGGER_LEAVEFN( "COMADSFolderObject::Characters" );
+    return KErrNone;
+    }
+
+TInt COMADSFolderObject::ParseDateString(const TDesC8& aString, TDateTime& aDateTime)
+    {
+    // Ensure we don't read beyond the buffer limits
+    if(aString.Length() < 15)
+        return KErrArgument;
+    
+    // Extract the fields from the string
+    TLex8 yearDesc(aString.Mid(0, 4));
+    TLex8 monthDesc(aString.Mid(4, 2));
+    TLex8 dayDesc(aString.Mid(6, 2));
+    // Skip one character here, it's supposed to be 'T'
+    TLex8 hourDesc(aString.Mid(9, 2));
+    TLex8 minuteDesc(aString.Mid(11, 2));
+    TLex8 secondDesc(aString.Mid(13, 2));
+    
+    TInt year, month, day, hour, minute, second;
+    TInt error;
+    
+    // Fetch the values to temporary variables
+    if((error = yearDesc.Val(year)) != KErrNone)
+        return error;
+    if((error = monthDesc.Val(month)) != KErrNone)
+        return error;
+    if((error = dayDesc.Val(day)) != KErrNone)
+        return error;
+    if((error = hourDesc.Val(hour)) != KErrNone)
+        return error;
+    if((error = minuteDesc.Val(minute)) != KErrNone)
+        return error;
+    if((error = secondDesc.Val(second)) != KErrNone)
+        return error;
+    
+    // Assign values to datetime object
+    if((error = aDateTime.SetYear(year)) != KErrNone)
+        return error;
+    if((error = aDateTime.SetMonth((TMonth)(month-1))) != KErrNone)
+        return error;
+    if((error = aDateTime.SetDay(day)) != KErrNone)
+        return error;
+    if((error = aDateTime.SetHour(hour)) != KErrNone)
+        return error;
+    if((error = aDateTime.SetMinute(minute)) != KErrNone)
+        return error;
+    if((error = aDateTime.SetSecond(second)) != KErrNone)
+        return error;
+    
+    return KErrNone;
+    }
+
+void COMADSFolderObject::Reset()
+    {
+    iError = KErrNone;
+    iName.SetLength(0);
+    iCreatedDate.Set(2005, EJanuary, 1, 0, 0, 0, 0);
+    iModifiedDate.Set(2005, EJanuary, 1, 0, 0, 0, 0);
+    }
+    
+TInt COMADSFolderObject::Error(TInt aErrorCode)
+    {
+    iError = aErrorCode;
+    return KErrNone;
+    }
+