/*

* Copyright (c) 2010 Sun Microsystems, Inc. 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 Contributor:

* Maximilian Odendahl

*

* Contributors:

* 

* Description: 

*

*/

#ifndef HTTPCLIENT_H

#define HTTPCLIENT_H

#include <http\MHTTPAuthenticationCallback.h>

#include <http\mhttptransactioncallback.h>

#include <http\mhttpdatasupplier.h>

#include <es_sock.h>

#include <extendedconnpref.h>

struct TCalDAVOptions;

_LIT8(KHTTP200,"http/1.1 200 ok");

_LIT8(KHTTP201,"http/1.1 201 created");

_LIT8(KHTTP404,"http/1.1 404 not found");

#define ERROR 			0

#define OK				200

#define CREATED 		201

#define NOCONTENT		204

#define MULTISTATUS		207

#define MUTIPLECHOICES	300

#define BADREQUEST		400

#define FORBIDDEN		403

#define NOTFOUND		404

#define NOTALLOWED		405

#define CONFLICT		409

#define PRECONDFAILED 	412

enum THttpAction

	{

	EActionUpload, EActionDelete, EActionOption, EActionNone

	};

class CHttpClient : public CBase,

		public MHTTPDataSupplier,

		public MHTTPAuthenticationCallback,

		public MHTTPTransactionCallback

	{

public:

	virtual ~CHttpClient();

	static CHttpClient* NewLC();

	static CHttpClient* NewL();

	TInt PutL(const TDesC8 &aUrl, const TDesC8 &aICS, CBufFlat *aResponse,

			const TDesC8 &aEtag = KNullDesC8);

	TInt MkCalendarL(const TDesC8 &aUrl, const TDesC8 &aBody,

			CBufFlat *aResponse);

	TInt DeleteL(const TDesC8 &aUrl, const TDesC8 &aETag = KNullDesC8);

	TInt HeadL(const TDesC8 &aUrl);

	TInt GetL(const TDesC8 &aUrl, CBufFlat *aResponse);

	TInt PropfindL(const TDesC8 &aUrl, const TDesC8 &aBodyRequest,

			CBufFlat *aResponse, TBool depth0 = ETrue);

	TInt ReportL(const TDesC8 &aUrl, const TDesC8 &aBodyRequest,

			CBufFlat *aResponse);

	TInt ProppatchL(const TDesC8 &aUrl, const TDesC8 &aBodyRequest,

			CBufFlat *aResponse);

	TInt GetServerOptionsL(const TDesC8 &aUrl, TCalDAVOptions &aOptions);

	// methods inherited from MHTTPDataSupplier

	virtual TBool GetNextDataPart(TPtrC8& aDataPart);

	virtual void ReleaseData();

	virtual TInt OverallDataSize();

	virtual TInt Reset();

	TInt ReturnCode();

	TPtrC8 ETag();

	//

	// methods from MHTTPTransactionCallback

	//

	virtual void MHFRunL(RHTTPTransaction aTransaction,

			const THTTPEvent& aEvent);

	virtual TInt MHFRunError(TInt aError, RHTTPTransaction aTransaction,

			const THTTPEvent& aEvent);

	// methods inherited from MHTTPAuthenticationCallback

	virtual TBool GetCredentialsL(const TUriC8& aURI, RString aRealm,

			RStringF aAuthenticationType, RString& aUsername,

			RString& aPassword);

	TPtrC8 User();

	void SetUserL(const TDesC8 &aUser);

	void SetPasswordL(const TDesC8 &aPassword);

	TPtrC8 Password();

protected:

	CHttpClient();

	void ConstructL();

private:

	void InvokeHttpMethodL(const TDesC8& aUri, RStringF aMethod);

	void SetHeaderL(RHTTPHeaders aHeaders, TInt aHdrField,

			const TDesC8& aHdrValue);

	void SetHeaderL(RHTTPHeaders aHeaders, const TDesC8 &aField,

			const TDesC8 &aValue);

	void GetEtagHeaderL(RHTTPTransaction& aTransaction);

	void GetPostBodyManuallyL();

	void OpenSessionL();

private:

	RHTTPSession iSess;

	RHTTPTransaction iTrans;

	TParse iParsedFileName;

	CBufFlat* iBodyResponse;

	HBufC8* iBodyRequest;

	RSocketServ iSocketServ;

	RConnection iRConnection;

	TConnPrefList iPrefList;

	TExtendedConnPref iExtPrefs;

	HBufC8 *iUser;

	HBufC8 *iPassword;

	TCalDAVOptions *iOptions;

	THttpAction iAction;

	TInt iReturnCode;

	HBufC8* iEtag;

	TInt iCredentialCount;

	};

#endif