codhandler/codeng/src/CodEng.cpp
changeset 0 dd21522fd290
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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 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 *      Implementation of class CCodEng.   
       
    16 *      
       
    17 *
       
    18 */
       
    19 
       
    20 
       
    21 // INCLUDE FILES
       
    22 
       
    23 #include "CodEng.h"
       
    24 #include "CodData.h"
       
    25 #include "CodError.h"
       
    26 #include "CodPanic.h"
       
    27 #include "CodStatus.h"
       
    28 #include "CodParser.h"
       
    29 #include "CodLogger.h"
       
    30 #include "CodSaver.h"
       
    31 #include <DocumentHandler.h>
       
    32 
       
    33 // ================= MEMBER FUNCTIONS =======================
       
    34 
       
    35 // ---------------------------------------------------------
       
    36 // CCodEng::NewL()
       
    37 // ---------------------------------------------------------
       
    38 //
       
    39 EXPORT_C CCodEng* CCodEng::NewL
       
    40 ( CEikProcess* aProcess, MCodLoadObserver* aObserver )
       
    41     {
       
    42     CCodEng* model = new (ELeave) CCodEng( aObserver );
       
    43     CleanupStack::PushL( model );
       
    44     model->ConstructL( aProcess );
       
    45     CleanupStack::Pop( model );
       
    46     return model;
       
    47     }
       
    48 
       
    49 // ---------------------------------------------------------
       
    50 // CCodEng::~CCodEng()
       
    51 // ---------------------------------------------------------
       
    52 //
       
    53 EXPORT_C CCodEng::~CCodEng()
       
    54     {
       
    55     CLOG(( ECodEng, 2, _L("CCodEng::~CCodEng") ));
       
    56     }
       
    57 
       
    58 // ---------------------------------------------------------
       
    59 // CCodEng::CCodEng()
       
    60 // ---------------------------------------------------------
       
    61 //
       
    62 CCodEng::CCodEng( MCodLoadObserver* aObserver ): CCodEngBase( aObserver )
       
    63     {
       
    64     CLOG(( ECodEng, 2, _L("CCodEng::CCodEng") ));
       
    65     }
       
    66 
       
    67 // ---------------------------------------------------------
       
    68 // CCodEng::CheckDataL()
       
    69 // ---------------------------------------------------------
       
    70 //
       
    71 void CCodEng::CheckDataL()
       
    72     {
       
    73     CLOG(( ECodEng, 2, _L("-> CCodEng::CheckDataL") ));
       
    74     if( !iData->IsValid() )
       
    75         {
       
    76         // Syntactically OK, but mandatory attributes are missing.
       
    77         User::Leave( KErrCodInvalidDescriptor );
       
    78         }
       
    79     CLOG(( ECodEng, 4, _L("CCodEng::CheckDataL: data valid") ));
       
    80     CLOG(( ECodEng, 2, _L("<- CCodEng::CheckDataL") ));
       
    81     }
       
    82 
       
    83 // ---------------------------------------------------------
       
    84 // CCodEng::ParseDataL()
       
    85 // ---------------------------------------------------------
       
    86 //
       
    87 void CCodEng::ParseDataL()
       
    88     {
       
    89     CLOG(( ECodEng, 2, _L("-> CCodEng::ParseDataL") ));
       
    90 
       
    91     __ASSERT_DEBUG( iCodBuf, CodPanic( ECodInternal ) );
       
    92     __ASSERT_DEBUG( iData, CodPanic( ECodInternal ) );
       
    93 
       
    94     TCodParser parser;
       
    95     parser.ParseL( *iCodBuf, *iData );
       
    96     CLOG(( ECodEng, 4, _L("CCodEng::SetL: parsed OK") ));
       
    97     CLOG(( ECodEng, 2, _L("<- CCodEng::ParseDataL") ));
       
    98     }
       
    99 
       
   100 // ---------------------------------------------------------
       
   101 // CCodEng::StatusCode
       
   102 // ---------------------------------------------------------
       
   103 //
       
   104 TInt CCodEng::StatusCode( TInt aError, TState aState ) const
       
   105     {
       
   106     // Meaningless to fiddle with statuses after we are done.
       
   107     __ASSERT_DEBUG( aState <= ENotify, CodPanic( ECodInternal ) );
       
   108 
       
   109     TInt code( KHttp924LoaderError );
       
   110 
       
   111     switch( aError )
       
   112         {
       
   113         case KErrNone:
       
   114             {
       
   115             code = KHttp900Success;
       
   116             break;
       
   117             }
       
   118 
       
   119         case KErrNoMemory:
       
   120         case KErrDiskFull:
       
   121             {
       
   122             code = KHttp910NoMemory;
       
   123             break;
       
   124             }
       
   125 
       
   126         case KErrCodInsufficientSpace:
       
   127             {
       
   128             code = KHttp901InsufficientMemory;
       
   129             break;
       
   130             }
       
   131 
       
   132         case KErrCancel:
       
   133         case KErrAbort:
       
   134             {
       
   135             code = aState == EReady ?
       
   136                 KHttp921UserAborted :   // EReady -> COD rejected by user.
       
   137                 KHttp902UserCancelled;  // other -> something is cancelled.
       
   138             break;
       
   139             }
       
   140 
       
   141         case KErrCodInvalidDescriptor:
       
   142         case KErrCodUnsupportedVersion:
       
   143             {
       
   144             code = KHttp906InvalidDescriptor;
       
   145             break;
       
   146             }
       
   147 
       
   148         case KErrCodAttributeMismatch:
       
   149             {
       
   150             code = KHttp905AttributeMismatch;
       
   151             break;
       
   152             }
       
   153 
       
   154         case KErrCodInvalidType:
       
   155             {
       
   156             code = KHttp907InvalidType;
       
   157             break;
       
   158             }
       
   159 
       
   160         case KBadMimeType:
       
   161         case KMimeNotSupported:
       
   162             {
       
   163             code = iState == ESet ?
       
   164                 KHttp922DeviceAborted :      // ESet -> COD MIME bad.
       
   165                 KHttp923NonAcceptableContent;// EFetch -> content MIME bad.
       
   166             break;
       
   167             }
       
   168 
       
   169         case KErrTimedOut:
       
   170         case KErrCodHttpCommsFailed:
       
   171         case KErrCodHttpNoResponse:
       
   172             {
       
   173             code = KHttp903LossOfService;
       
   174             break;
       
   175             }
       
   176 
       
   177         default:
       
   178             {
       
   179             code = KHttp924LoaderError;
       
   180             break;
       
   181             }
       
   182         }
       
   183     return code;
       
   184     }
       
   185 
       
   186 // ---------------------------------------------------------
       
   187 // CCodEng::StatusText()
       
   188 // ---------------------------------------------------------
       
   189 //
       
   190 const TDesC8& CCodEng::StatusText( TInt aCode ) const
       
   191     {
       
   192     switch ( aCode )
       
   193         {
       
   194         case KHttp900Success:              return KText900Success;
       
   195         case KHttp901InsufficientMemory:   return KText901InsufficientMemory;
       
   196         case KHttp902UserCancelled:        return KText902UserCancelled;
       
   197         case KHttp903LossOfService:        return KText903LossOfService;
       
   198         case KHttp905AttributeMismatch:    return KText905AttributeMismatch;
       
   199         case KHttp906InvalidDescriptor:    return KText906InvalidDescriptor;
       
   200         case KHttp907InvalidType:          return KText907InvalidType;
       
   201         case KHttp921UserAborted:          return KText921UserAborted;
       
   202         case KHttp922DeviceAborted:        return KText922DeviceAborted;
       
   203         case KHttp923NonAcceptableContent: return KText923NonAcceptableContent;
       
   204         case KHttp924LoaderError:          return KText924LoaderError;
       
   205         case KHttp910NoMemory:             return KText910NoMemory;
       
   206         default:                           CodPanic( ECodInternal );
       
   207         }
       
   208     return KNullDesC8;  /* NOTREACHED */
       
   209     }