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67 lines
2.8 KiB
Plaintext
67 lines
2.8 KiB
Plaintext
/***************************************************************************
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qgsserverfilter.h
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Server I/O filters class for Qgis Mapserver for use by plugins
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-------------------
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begin : 2014-09-10
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copyright : (C) 2014 by Alessandro Pasotti
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email : a dot pasotti at itopen dot it
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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/**
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* \class QgsServerFilter
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* \brief Class defining I/O filters for Qgis Mapserver and
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* implemented in plugins.
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*
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* Filters can define any (or none) of the following hooks:
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* * requestReady() - called when request is ready
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* * responseComplete() - called when the response is complete
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* after core services have returned to main loop
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* * sendResponse() - called just before sending output to FGCI
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*/
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class QgsServerFilter
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{
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%TypeHeaderCode
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#include "qgsserverfilter.h"
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#include "qgsserverinterface.h"
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%End
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public:
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/** Constructor
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* QgsServerInterface passed to plugins constructors
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* and must be passed to QgsServerFilter instances.
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*/
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QgsServerFilter( QgsServerInterface* serverInterface );
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/** Destructor */
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virtual ~QgsServerFilter();
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/** Return the QgsServerInterface instance*/
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QgsServerInterface* serverInterface();
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/** Method called when the QgsRequestHandler is ready and populated with
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* parameters, just before entering the main switch for core services.*/
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virtual void requestReady();
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/** Method called when the QgsRequestHandler processing has done and
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* the response is ready, just after the main switch for core services
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* and before final sending response to FCGI stdout.
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*/
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virtual void responseComplete();
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/** Method called when the QgsRequestHandler sends its data to FCGI stdout.
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* This normally occours at the end of core services processing just after
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* the responseComplete() plugin hook. For streaming services (like WFS on
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* getFeature requests, sendResponse() might have been called several times
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* before the response is complete: in this particular case, sendResponse()
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* is called once for each feature before hitting responseComplete()
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*/
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virtual void sendResponse();
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};
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