httpxxxtools.h

在Symbian OS S60 3rd上面

/*
 ============================================================================
 Name		: HttpxxxTools.h
 Author	  : xxx
 Version	 : 1.0
 Copyright   : xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 Description : CHttpxxxTools declaration
 ============================================================================
 */

#ifndef HTTPXXXTOOLS_H
#define HTTPXXXTOOLS_H

// INCLUDES
#include <e32std.h>
#include <ES_SOCK.H>
#include <e32base.h>
#include <mhttptransactioncallback.h>
#include <mhttpdatasupplier.h>
#include <mhttpauthenticationcallback.h>
//#include <>

// CLASS DECLARATION

/**
 *  CHttpxxxTools
 * 
 */
class MHttpDataHandleObserver
	{
public:
	virtual void WriteDAtaToFile(char* aFileName, char* aFileData, int aFiledDataLenth) = 0;
	virtual void WriteNULL() = 0;
	};

class RHTTPSession;
class RHTTPTransaction;
class RSocketServ;
class RConnection;
class CImageTestAppView;

class CHttpxxxTools : public CBase,
						public MHTTPTransactionCallback,
						public MHTTPDataSupplier,
						public MHTTPAuthenticationCallback
						
	{
public:
	// Constructors and destructor

	/**
	 * Destructor.
	 */
	~CHttpxxxTools();

	/**
	 * Two-phased constructor.
	 */
	static CHttpxxxTools* NewL(MHttpDataHandleObserver& aObserver);

	/**
	 * Two-phased constructor.
	 */
	static CHttpxxxTools* NewLC(MHttpDataHandleObserver& aObserver);
	

	void IssueHTTPGetL(const TDesC8& aUri);
	// to get 
	void HttpGet(char* uri);

	void IssueHTTPPostL(const TDesC8& aUri,
						const TDesC8& aContentType,
						const TDesC8& aBody);
	
	// to post
	void HttpPost(char* uri,char* contenttype, char* body);
	// to cancel trasaction
	void CancelTransaction();
	//
	void SetHeaderL(RHTTPHeaders aHeaders, TInt aHdrField,
			const TDesC8& aHdrValue);
private:

	/**
	 * Constructor for performing 1st stage construction
	 */
	CHttpxxxTools(MHttpDataHandleObserver& aObserver);

	/**
	 * EPOC default constructor for performing 2nd stage construction
	 */
	void ConstructL();
	
	/*
	 * SetupConnectionL()
	 * 
	 * The method set the internet access point and connection setups.
	 * 
	 */
	void SetupConnectionL();

	
	//inherit from MHTTPDataSupplier
private:
	/*
		* ReleaseData()
		*
		* Called by framework to allow data supplier to release resources
		* related to previous data part.
		*
		* Params:
		*		-
		*
		* Returns:
		* 		-
		*
		*/
		void ReleaseData();

		/*
		* GetNextDataPart()
		*
		* Called when next data part is needed.
		*
		* Params:
		*		aDataPart: Must be set to point to the next data part.
		*
		* Returns:
		* 		ETrue if the provided data part is the last one. If more data parts
		*		are needed after the provided one, return EFalse.
		*
		*/
		TBool GetNextDataPart(TPtrC8& aDataPart);

		/*
		* Reset()
		*
		* Called by framework to reset the data supplier to its initial state.
		*
		* Params:
		*		-
		*
		* Returns:
		*		KErrNone if successfull.
		*
		*/
		TInt Reset();

		/*
		* OverallDataSize()
		*
		* Called by framework when it needs to know the size of the
		* body data.
		*
		* Params:
		*		-
		*
		* Returns:
		* 		Size of the data, or KErrNotFound (or KErrNotSupported)
		*		if the size of the data is not known.
		*
		*/
		TInt OverallDataSize();
		
		
	
	//inherit from MHTTPTransactionCallback		
private:

	void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);

	TInt MHFRunError(	TInt aError,
						RHTTPTransaction aTransaction,
						const THTTPEvent& aEvent);
/*
* From MHTTPAuthenticationCallback (needed for HTTP authentication)
*/
private:
	/*
	* GetCredentialsL()
	*
	* Called by framework when username and password for requested URI is
	* needed.
	*
	* Params:
	*		aURI: The URI being requested (e.g. "http://host.org")
	*		aRealm: The realm being requested (e.g. "[e-mail]")
	*		aAuthenticationType: Authentication type. (e.g. "Basic")
	*		aUsername: Given user name.
	*		aPassword: Given password.
	*
	* Returns:
	* 		A pointer to the created document
	*
	*/
	TBool GetCredentialsL(	const TUriC8& aURI,
							RString aRealm,
							RStringF aAuthenticationType,
							RString& aUsername,
							RString& aPassword);
private:
#ifdef __WINS__ 
	RSocketServ 			iSocketServ;
	RConnection 			iConnection;
#endif
	
	RHTTPSession			iSession;
	RHTTPTransaction		iTransaction;

	HBufC8*					iPostData;	// Data for HTTP POST
	TBool					iRunning;	// ETrue, if transaction running
	
	TBool 					iConnectionSetupDone;

	HBufC8* iBodyData;
	MHttpDataHandleObserver& iObserver;
	};

#endif // HTTPXXXTOOLS_H