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WebResourceProvider

, 23 Mar 2007
A framework to allow public web services to be used as objects in your application.
//link with wininet.lib

#pragma once

#include <tchar.h>
#include <windows.h>
#include <wininet.h>

/*
	custom errorcodes:
	-1: bad url...
*/

class CAmHttpSocket
{
public:
	int GetPageStatusCode(); //get the HTTP statuscode for the last received page
	TCHAR* GetHeaders(const TCHAR *url); //return a pointer th the headers from an url
	CAmHttpSocket();
	~CAmHttpSocket();
	char* GetPage(const TCHAR *url, bool Post = false, const char *PostData = NULL, int PostDataLength = -1); //get a page, if post is false, HTTP GET is used othervise HTTP POST is used. if PostDataLength is -1 the data must be NULL terminated...

  void setAgent (CString strAgentName)
    { m_strAgentName = strAgentName; }

protected:
	bool PostUrl(const TCHAR *url, const char *PostData, int PostDataLength = -1); //open a page using http post
	TCHAR* GetHeaderLine(TCHAR *s); //get a specific line from the headers
	bool OpenUrl(const TCHAR *url); //open a page using http get
	HINTERNET hIO, hIS, hCO;
	char *ReceivedData; //the internal databuffer
	TCHAR *Headers; //the internal headerbuffer
	int LastError; //internal statuscode...

  CString m_strAgentName;   // agent name
};

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Ravi Bhavnani
Technical Lead
Canada Canada
Ravi Bhavnani is an ardent fan of Microsoft technologies who loves building Windows apps, especially PIMs, system utilities, and things that go bump on the Internet. During his career, Ravi has developed expert systems, desktop imaging apps, marketing automation software, EDA tools, a platform to help people find, analyze and understand information, trading software for institutional investors and advanced data visualization solutions. He currently works for a company that provides enterprise workforce management solutions to large clients.
 
His interests include the .NET framework, reasoning systems, financial analysis and algorithmic trading, NLP, HCI and UI design. Ravi holds a BS in Physics and Math and an MS in Computer Science and was a Microsoft MVP (C++ and C# in 2006 and 2007). He is also the co-inventor of 2 patents on software security and generating data visualization dashboards. His claim to fame is that he crafted CodeProject's "joke" forum post icon.
 
Ravi's biggest fear is that one day he might actually get a life, although the chances of that happening seem extremely remote.
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Web03 | 2.8.140721.1 | Last Updated 23 Mar 2007
Article Copyright 2002 by Ravi Bhavnani
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