examples/ForumNokia/Symbian_OS_End-to-End_Sockets_API_Example/SocketTaskManager/engine/Request.cpp

/*
 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *    
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Nokia Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *    
 *    Description:  
 */


// INCLUDE FILES
#include "Request.h"
#include "TaskManager.pan"

// CONSTANTS
_LIT(KLineEnd, "\n");
_LIT(KSeparator, "#");

_LIT(KFetchCommand, "fetch");
_LIT(KMarkCommand, "mark");

_LIT(KUnknownOperation, "Unknown operation!");

// ================= MEMBER FUNCTIONS =======================

// ----------------------------------------------------
// CRequest::GetMessage()
// Static parser function that returns a descriptor containing
// a client message that the server end understands.
// ----------------------------------------------------
//      
void TRequest::GetMessage( TDesC& aUsername, TDesC& aPassword,
                               TRequest::TOperationType aOperation,
                               TDesC& aId, TDes8& aMessage )
    {
        // A valid command string is built
        // Format: username#password#operation[#id]
    aMessage.Zero();
    
        aMessage.Append( aUsername );
        aMessage.Append( KSeparator );
        aMessage.Append( aPassword );
        aMessage.Append( KSeparator );

        switch( aOperation )
        {
                case TRequest::EFetchTasks:
                {
                        aMessage.Append( KFetchCommand );
                        break;
                }
                case TRequest::ETaskDone:
                {
                        aMessage.Append( KMarkCommand );
                        aMessage.Append( KSeparator );
                aMessage.Append( aId );
                        break;
                }
                default:
                {
                        User::Panic( KUnknownOperation, ETaskManagerInvalidTask );
                }
        }
        
        aMessage.Append( KLineEnd );
    }

// End of file

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