How to call secured RESTful service in java?

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.GetMethod;
...
...
String url = "pankaj-lilhare.blogspot";    /* http://pankaj-lilhare.blogspot:8080/test */
int portNumber = 8080;    /* depends on deployed service port   */
String username = "test";
String password = "test123";
HttpClient client = null;
try {
    client = new HttpClient();
    client.getState().setCredentials(
    new AuthScope(url, portNumber,AuthScope.ANY_REALM),
    new UsernamePasswordCredentials(username, password));
    GetMethod method = new GetMethod(restUrl);
    int returnCode = client.executeMethod(method);
    if ( returnCode>= 200) {
        String response = method.getResponseBodyAsString();
    }
} catch (Exception e) {
    e.printStackTrace();
}