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#ifndef Pegasus_CIMOperationRequestEncoder_h
#define Pegasus_CIMOperationRequestEncoder_h

#include <fstream>
#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/MessageQueue.h>
#include <Pegasus/Common/CIMMessage.h>
#include <Pegasus/Client/ClientAuthenticator.h>
#include <Pegasus/Client/Linkage.h>
#include <Pegasus/Client/ClientPerfDataStore.h>

PEGASUS_NAMESPACE_BEGIN

/** This class receives CIM Operation Request messages on its input queue
    and encodes them into HTTP messages which it places on its output queue.
*/
class PEGASUS_CLIENT_LINKAGE CIMOperationRequestEncoder : public MessageQueue
{
public:

    /** Constuctor.
        @param outputQueue queue to receive encoded HTTP messages.
        @param hostName Name of the target host for the encoded requests.
            I.e., the value of the HTTP Host header.
    */
    CIMOperationRequestEncoder(
        MessageQueue* outputQueue,
        const String& hostName,
        ClientAuthenticator* authenticator,
        bool binaryRequest = false,
        bool binaryResponse = false);

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

    /** This method is called when a message is enqueued on this queue. */
    virtual void handleEnqueue();

    /**
        Gives the Encoder access to the ClientPerfDataStore that
        is in CIMClientRep. A pointer to the CIMClientRep::ClientPerfDataStore
        is passed in.
     */
    void setDataStorePointer(ClientPerfDataStore* perfDataStore_ptr);

private:

    void _encodeCreateClassRequest(
        CIMCreateClassRequestMessage* message);

    void _encodeGetClassRequest(
        CIMGetClassRequestMessage* message);

    void _encodeModifyClassRequest(
        CIMModifyClassRequestMessage* message);

    void _encodeEnumerateClassNamesRequest(
        CIMEnumerateClassNamesRequestMessage* message);

    void _encodeEnumerateClassesRequest(
        CIMEnumerateClassesRequestMessage* message);

    void _encodeDeleteClassRequest(
        CIMDeleteClassRequestMessage* message);

    void _encodeCreateInstanceRequest(
        CIMCreateInstanceRequestMessage* message);

    void _encodeGetInstanceRequest(
        CIMGetInstanceRequestMessage* message);

    void _encodeModifyInstanceRequest(
        CIMModifyInstanceRequestMessage* message);

    void _encodeEnumerateInstanceNamesRequest(
        CIMEnumerateInstanceNamesRequestMessage* message);

    void _encodeEnumerateInstancesRequest(
        CIMEnumerateInstancesRequestMessage* message);

    void _encodeDeleteInstanceRequest(
        CIMDeleteInstanceRequestMessage* message);

    void _encodeGetPropertyRequest(
        CIMGetPropertyRequestMessage* message);

    void _encodeSetPropertyRequest(
        CIMSetPropertyRequestMessage* message);

    void _encodeSetQualifierRequest(
        CIMSetQualifierRequestMessage* message);

    void _encodeGetQualifierRequest(
        CIMGetQualifierRequestMessage* message);

    void _encodeEnumerateQualifiersRequest(
        CIMEnumerateQualifiersRequestMessage* message);

    void _encodeDeleteQualifierRequest(
        CIMDeleteQualifierRequestMessage* message);

    void _encodeReferenceNamesRequest(
        CIMReferenceNamesRequestMessage* message);

    void _encodeReferencesRequest(
        CIMReferencesRequestMessage* message);

    void _encodeAssociatorNamesRequest(
        CIMAssociatorNamesRequestMessage* message);

    void _encodeAssociatorsRequest(
        CIMAssociatorsRequestMessage* message);

    void _encodeExecQueryRequest(
        CIMExecQueryRequestMessage* message);

    void _encodeInvokeMethodRequest(
        CIMInvokeMethodRequestMessage* message);

    void _sendRequest(Buffer& buffer);

    MessageQueue* _outputQueue;
    CString _hostName;
    ClientAuthenticator* _authenticator;

    ClientPerfDataStore* dataStore_prt;
    bool _binaryRequest;
    bool _binaryResponse;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_CIMOperationRequestEncoder_h */