www.pudn.com > acdx.rar > HttpSocket.h

#if !defined(HttpSocket_H) 
#define HttpSocket_H 
 
 
#include "SocketHandler.h" 
#include "HttpRequest.h" 
 
 
 
///////////////////////////////////////////////////////////////////////////////////// 
// HttpSocket 
// 
// Purpose: 
 
class HttpSocket  
	public SocketHandler 
{ 
    string method = "GET"; 
 
	stringstream response; 
 
    // last response code 
    int responseCode = -1; 
 
    // responce message 
    stringstream responseMessage; 
 
    // shows if redirects allowed 
    bool _allowRedirects; 
 
 
    HttpSocket () : 
		SocketHandler (), 
		 
		_responseCode(-1), 
		_responseMsg(""), 
		_allowRedirects(true), 
	{} 
     
    void setAllowRedirects ( bool set )  
	{ 
		_allowRedirects = set; 
    } 
 
    bool allowRedirects()  
	{ 
		return _allowRedirects; 
    } 
 
    string & getRequestCmd ()  
	{ 
		return method; 
    } 
     
    /** 
     * Gets HTTP response status.  From responses like: 
     * 
 
     * HTTP/1.0 200 OK 
     * HTTP/1.0 401 Unauthorized 
     * 
 
     * Extracts the ints 200 and 401 respectively. 
     * Returns -1 if none can be discerned 
     * from the response (i.e., the response is not valid HTTP). 
     * @throws IOException if an error occurred connecting to the server. 
     */ 
    int getResponseCode ()  
	{ 
		if ( _responseCode != -1 )  
		{ 
			return _responseCode; 
		} 
 
		// make sure we've gotten the headers 
		getInputStream(); 
 
		string resp = getHeader(0); 
 
		/* should have no leading/trailing LWS 
		 * expedite the typical case by assuming it has 
		 * form "HTTP/1.x  2XX " 
		 */ 
		int ind; 
		try  
		{	 
			ind = resp.indexOf(' '); 
			while(resp.charAt(ind) == ' ') 
				ind++; 
			responseCode = Integer.parseInt(resp.substring(ind, ind + 3)); 
			responseMessage = resp.substring(ind + 4).trim(); 
			return responseCode; 
		}  
		catch (Exception e)  
		{  
			return responseCode; 
		} 
    } 
 
    /** 
     * Gets the HTTP response message, if any, returned along with the 
     * response code from a server.  From responses like: 
     * 
 
     * HTTP/1.0 200 OK 
     * HTTP/1.0 404 Not Found 
     * 
 
     * Extracts the Strings "OK" and "Not Found" respectively. 
     * Returns null if none could be discerned from the responses  
     * (the result was not valid HTTP). 
     * @throws IOException if an error occurred connecting to the server. 
     */ 
    string getResponseMessage () 
	{ 
		getResponseCode(); 
		return responseMessage; 
    } 
 
 
 
 
}; 
 
 
#endif