// Copyright (c) 2000-2009 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:

//

#ifndef __WBXMLCONVERTER_H

#define __WBXMLCONVERTER_H

// System Include

#include <e32base.h>

#include <xml/contenthandler.h>

#include <xml/parser.h>

#include <push/pushmessage.h>

/** 

Class for parsing the XML document and handles the callbacks from generic XML parser

@internalTechnology

@released

 */

class CMessageComposer : public CBase, public Xml::MContentHandler

	{

public:

	static CMessageComposer* NewL ( CPushMessage& aPushMsg);

	/** parses and validates and returns error code */

	const TDesC8& ParseMessageL ();	

	~CMessageComposer ();

	RStringPool& StringPool ();

	// Methods from Xml::MContentHandler

	void OnStartDocumentL ( const Xml::RDocumentParameters &aDocParam, TInt aErrorCode );

	void OnEndDocumentL ( TInt aErrorCode );	

	void OnStartElementL ( const Xml::RTagInfo &aElement, const Xml::RAttributeArray &aAttributes, TInt aErrorCode );

	void OnEndElementL ( const Xml::RTagInfo &aElement, TInt aErrorCode );

	void OnContentL ( const TDesC8 &aBytes, TInt aErrorCode );

	void OnStartPrefixMappingL ( const RString &aPrefix, const RString &aUri, TInt aErrorCode );

	void OnEndPrefixMappingL ( const RString &aPrefix, TInt aErrorCode );

	void OnIgnorableWhiteSpaceL ( const TDesC8 &aBytes, TInt aErrorCode );

	void OnSkippedEntityL ( const RString &aName, TInt aErrorCode );

	void OnProcessingInstructionL ( const TDesC8 &aTarget, const TDesC8 &aData, TInt aErrorCode );

	void OnError ( TInt aErrorCode );

	TAny* GetExtendedInterface ( const TInt32 aUid );

	TInt LastError ();	

private:

	CMessageComposer( CPushMessage& aPushMsg);

	void ConstructL ();

	void LoadPluginL ();

	TInt MapToWapXMLError ( TInt aXmlErrorCode );

	void AppendDataL ( const TDesC8& aData );

private:

	CPushMessage&				iPushMessage;	// reference

	Xml::CParser*				iParser;

	TInt iLastError;

	RBuf8 iXmlBuf;

	TBool iIsKeyValue;

	};

#endif // MessageComposer.h