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package marouene;
import java.util.*;
import java.io.*;
import java.net.*;
public class Webbrowing {
protected URL url;
protected HttpURLConnection server;
protected static long longueur;
/**
* @param szUrl: String object for the URL
*/
public Webbrowing(String szUrl) throws Exception
{
try
{
url = new URL(szUrl);
}
catch (Exception e)
{
throw new Exception("Invalid URL");
}
}
/**
* @param method: String object for client method (POST, GET,...)
*/
public void connect(String method) throws Exception
{
try
{
server = (HttpURLConnection)url.openConnection();
server.setDoInput(true);
server.setDoOutput(true);
server.setRequestMethod(method);
server.setRequestProperty("Content-type",
"application/x-www-form-urlencoded");
server.connect();
}
catch (Exception e)
{
throw new Exception("Connection failed");
}
}
public void disconnect()
{
server.disconnect();
}
public void displayResponse() throws Exception
{
String line;
try
{
BufferedReader s = new BufferedReader(
new InputStreamReader(
server.getInputStream()));
line = s.readLine();
while (line != null)
{
System.out.println(line);
line = s.readLine();
if (line!=null);
}
s.close();
}
catch(Exception e)
{
throw new Exception("Unable to read input stream");
}
}
public void post(String s) throws Exception
{
try
{
BufferedWriter bw = new BufferedWriter(
new OutputStreamWriter(
server.getOutputStream()));
bw.write(s, 0, s.length());
bw.flush();
bw.close();
}
catch(Exception e)
{
throw new Exception("Unable to write to output stream");
}
}
public static void main(String argv[])
{
if (argv.length == 0)
{
System.out.println("Usage: java webbrowing url\r\n");
System.exit(0);
}
try
{
Webbrowing c = new Webbrowing(argv[0]);
long start = System.currentTimeMillis();
c.connect("GET");
c.displayResponse();
long fin = System.currentTimeMillis();
c.disconnect();
System.out.println("time : "+String.valueOf(fin-start));
}
catch (Exception e)
{
e.printStackTrace();
}
}
} |
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