/* this belongs to the WebRaveler package */
package webraveler.proxy;

import java.io.*;
import java.net.*; 
import webraveler.http.HTTPMessage;
import webraveler.http.HTTPResponse;


/**
 * The proxy client for Web Raveler that forwards requests
 * to the server and sends responses back to Web Raveler
 *
 * @author The Web Raveler Development Squad
 * @version 1.0
 */
public class ProxyClient {
	/* variables */
	Socket server;
	Socket client;
	webraveler.http.HTTPRequest request;
	
	
	/* constructors */
	
	/**
	 * @param request an HTTPRequest object containing the request from Raveler
	 */
	public ProxyClient(webraveler.http.HTTPRequest request){
		this.request = request;
	}
	
	/* methods */
	
	/**
	 * Sends the request to the server and gets the response
	 * 
	 * @return an HTTPResponse object containing the response from the server
	 */
	public HTTPResponse getResponse() throws IOException {
		//System.out.println("ProxyClient: Getting remote host response.");
		InputStream in;
		OutputStream out;
		
		server = new Socket(request.remoteHost(),request.remotePort());
		server.setSoTimeout(60*1000);
		
		in = server.getInputStream();
		out = server.getOutputStream();
		
		//quick fix for URLs with no trailing "/" after the server root
		if ( request.uriString().indexOf("/",7) == -1 ) {
			request.setUriString( request.uriString() + "/" );
		}//if 
		
		request.write(out);
		
		return new HTTPResponse(in);
	}
	
	
}//class ProxyClient