diff -r 000000000000 -r ba25891c3a9e ncdengine/provider/protocol/inc/ncdprotocol.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/protocol/inc/ncdprotocol.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,111 @@
+/*
+* Copyright (c) 2006 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:   MNcdProtocol declaration
+*
+*/
+
+
+#ifndef M_NCDPROTOCOL_H
+#define M_NCDPROTOCOL_H
+
+#include <e32base.h>
+
+class MNcdParser;
+class CNcdRequestBase;
+class CNcdRequestConfiguration;
+class MCatalogsContext;
+class MNcdProtocolDefaultObserver;
+class MNcdSessionHandler;
+
+/**
+ * Interface for protocol entry point.
+ *
+ * @note Requests are created with NcdRequestGenerator
+ *
+ */
+class MNcdProtocol
+                     
+    {
+public:
+
+    /**
+     * Creates a parser for parsing protocol responses.
+     *
+     * @param aContext Current context
+     * @param aServerURI Server where the protocol response originates. 
+     * This is used for session bookkeeping.
+     */
+    virtual MNcdParser* CreateParserL( MCatalogsContext& aContext,
+        const TDesC& aServerUri ) = 0;
+    
+
+    /**
+     * Process a preminet request
+     *
+     * @note This method must be called for all requests before they are
+     * sent.
+     *
+     * @param aRequest Request to process
+     * @param aServerUri Server URI for the request
+     * @param aForceConfigurationData If true, configuration data is always included in the
+     * request, otherwise only if there is no existing session for the request.
+     * @return Final request data that can be sent to a server
+     */
+    virtual HBufC8* ProcessPreminetRequestL( const MCatalogsContext& aContext, 
+        CNcdRequestBase& aRequest, 
+        const TDesC& aServerUri,
+        TBool aForceConfigurationData = EFalse ) = 0;
+
+
+    /**
+     * Process a configuration request
+     *
+     * @note This method must be called for all requests before they are
+     * sent.
+     *
+     * @param aRequest Request to process
+     * @param aServerUri Server URI for the request
+     * @return Final request data that can be sent to a server
+     */
+    virtual HBufC8* ProcessConfigurationRequestL( 
+        const MCatalogsContext& aContext, 
+        CNcdRequestConfiguration& aRequest ) = 0;
+     
+    /**
+     * Retrieves the default handler for protocol events.
+     * All events not needed by the parser observer should be passed to
+     * the default observer.
+     * @return Default protocol events observer
+     */
+    //virtual MNcdProtocolDefaultObserver& ProtocolDefaultObserver() const = 0;
+
+
+    /**
+     * Session handler getter
+     * @throw KErrNotFound if the context is not found
+     */
+    virtual MNcdSessionHandler& SessionHandlerL( 
+        const MCatalogsContext& aContext ) const = 0;
+
+
+protected:
+
+    virtual ~MNcdProtocol()
+        {
+        }
+    };
+
+
+
+#endif