Java tutorial
import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HostConfiguration; import org.apache.commons.httpclient.methods.GetMethod; public class HttpClientPreferences { public static void main(String args[]) throws Exception { HttpClient client = new HttpClient(); System.err.println( "The User Agent before changing it is: " + client.getParams().getParameter("http.useragent")); client.getParams().setParameter("http.useragent", "Browser at Client level"); System.err.println("Client's User Agent is: " + client.getParams().getParameter("http.useragent")); GetMethod method = new GetMethod("http://www.google.com"); method.getParams().setParameter("http.useragent", "Browser at Method level"); try { client.executeMethod(method); } catch (Exception e) { System.err.println(e); } finally { method.releaseConnection(); } System.err.println("Method's User Agent is: " + method.getParams().getParameter("http.useragent")); } }