Here you can find the source of getHttpURLConnection(String urlAsString)
public static HttpURLConnection getHttpURLConnection(String urlAsString) throws Exception
//package com.java2s; /**// www . j a v a2 s .c om * Copyright (C) 2010 Peter Karich <jetwick_@_pannous_._info> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.net.HttpURLConnection; import java.net.Proxy; import java.net.URL; public class Main { /** * Returns an 'optimized'/fast HttpUrlConnection */ public static HttpURLConnection getHttpURLConnection(String urlAsString) throws Exception { URL url = new URL(urlAsString); //using proxy may increase latency HttpURLConnection hConn = (HttpURLConnection) url .openConnection(Proxy.NO_PROXY); // force no follow hConn.setInstanceFollowRedirects(false); // the program doesn't care what the content actually is !! // http://java.sun.com/developer/JDCTechTips/2003/tt0422.html hConn.setRequestMethod("HEAD"); return hConn; } }