QGIS/python/server/qgsserverresponse.sip
2017-01-10 14:34:18 +01:00

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/***************************************************************************
qgsserverresponse.sip
Define response class for services
-------------------
begin : 2016-12-05
copyright : (C) 2016 by David Marteau
email : david dot marteau at 3liz dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/**
* \ingroup server
* QgsServerResponse
* Class defining response interface passed to services QgsService::executeRequest() method
*/
class QgsServerResponse
{
%TypeHeaderCode
#include "qgsserverresponse.h"
%End
public:
//!constructor
QgsServerResponse();
//! destructor
virtual ~QgsServerResponse();
/** Set Header entry
* Add Header entry to the response
* Note that it is usually an error to set Header after writing data
*/
virtual void setHeader( const QString& key, const QString& value ) = 0;
/**
* Clear header
* Undo a previous 'set_header' call
*/
virtual void clearHeader( const QString& key ) = 0;
/**
* Return the header value
*/
virtual QString getHeader( const QString& key ) const = 0;
/**
* Return the list of all header keys
*/
virtual QList<QString> headerKeys() const = 0;
/**
* Return true if the headers have alredy been sent
*/
virtual bool headersSent() const = 0;
/** Set the http return code
* @param code HTTP return code value
*/
virtual void setReturnCode( int code ) = 0;
/**
* Send error
* This method delegates error handling at the server level. This is different
* from calling setReturnCode() along with and a specific response body.
* @param code HTTP return code value
* @param message An informative error message
*/
virtual void sendError( int code, const QString& message ) = 0;
/**
* Write string
* This is a convenient method that will write directly
* to the underlying I/O device
*/
virtual void write( const QString& data );
/**
* Write chunk of data
* This is a convenient method that will write directly to the
* underlying I/O device
* @return the number of bytes that were actually written
*/
virtual qint64 write( const QByteArray& byteArray );
/**
* Return the underlying QIODevice
*/
virtual QIODevice* io() = 0;
/**
* End the transaction
*/
virtual void finish() = 0;
/**
* Flushes the current output buffer to the network
*
* 'flush()' may be called multiple times. For HTTP transactions
* headers will be written on the first call to 'flush()'.
*/
virtual void flush() = 0;
/**
* Reset all headers and content for this response
*/
virtual void clear() = 0;
};