-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.net.ConnectException;
-import java.net.ProtocolException;
-import java.net.SocketException;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Arrays;
-
-import javax.net.ssl.HttpsURLConnection;
-
-import org.apache.log4j.Logger;
-import org.apache.log4j.PropertyConfigurator;