Java Security

import java.io.*;
import java.net.*;
import java.util.StringTokenizer;
import com.sun.net.ssl.HttpsURLConnection;
import com.sun.net.ssl.KeyManager;
import com.sun.net.ssl.TrustManager;
import com.sun.net.ssl.SSLContext;
import com.sun.net.ssl.X509TrustManager;
import javax.net.ssl.SSLSocketFactory;

public class httpsquery {
    
    public static void main(String[] args) throws Exception {
        URL url;
        HttpsURLConnection urlConn;
        String sessionCookie = null;
        BufferedInputStream httpResponseStream;
        DataOutputStream httpRequestStream;
        System.setProperty("https.proxyHost","proxy.at.int.atosorigin.com");
        System.setProperty("https.proxyPort","8080");
        System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol");
        java.security.Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
        try {
            javax.net.ssl.SSLSocket sock = null;
            X509TrustManager tm = new DummyX509TrustManager();
            KeyManager[] km = null;
            TrustManager[]tma = { tm };
            SSLContext sc = SSLContext.getInstance("SSLv3");
            sc.init(km,tma,new java.security.SecureRandom());
            SSLSocketFactory sf1 = sc.getSocketFactory();
            HttpsURLConnection.setDefaultSSLSocketFactory(sf1);

            System.out.println("opening connection");
            url = new URL("https://ebmxdev.extra.daimlerchrysler.com/servlet/ebmxcontroller?function=basictest&username=BASICTEST");
            urlConn = (HttpsURLConnection)url.openConnection();
            urlConn.setDoInput (true);
            urlConn.setDoOutput (true);
            urlConn.setUseCaches (false);
            urlConn.setRequestMethod("GET");
            urlConn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
            urlConn.setRequestProperty("Authorization", "Basic");
            if (sessionCookie != null) urlConn.setRequestProperty("Cookie",sessionCookie);
            System.out.println("connection opened");
            for (int i = 1; i <= 6; ++i) { System.out.println(" Header " + i + ": " + urlConn.getHeaderFieldKey(i) + ": " + urlConn.getHeaderField(i)); } 
            if (sessionCookie == null) {
                String setCookie = urlConn.getHeaderField("Set-Cookie");
                if (setCookie == null) setCookie = urlConn.getHeaderField("Set-cookie");
                if (setCookie == null) System.out.println("no cookie!!!!!!");
                StringTokenizer st = new StringTokenizer("" + setCookie,";");
                sessionCookie = st.nextToken();
            }
            System.out.println("cookie is " + sessionCookie);

            httpResponseStream = new BufferedInputStream(urlConn.getInputStream ());
            int c;
            byte[] buffer = new byte[1024];
            while ((c = httpResponseStream.read(buffer)) != -1) {
                System.out.write(buffer,0,c);
            }
            httpResponseStream.close();

            // close connection
            urlConn.disconnect();
            System.out.println("connection closed");
            System.out.println("called basictest");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

class DummyX509TrustManager implements X509TrustManager { 
    public boolean isClientTrusted(java.security.cert.X509Certificate[] chain) { return true; } 
    public boolean isServerTrusted(java.security.cert.X509Certificate[] chain) { return true; } 
    public java.security.cert.X509Certificate[] getAcceptedIssuers() { return null; } 
}