Here you can find the source of getUrlContent(String url)
public static String getUrlContent(String url)
//package com.java2s; /*//from w w w.j ava2 s.co m * Copyright (C) 2016 Google Inc. * * 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 com.google.common.io.CharStreams; import java.io.IOException; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; public class Main { /** * If the response code is 200, returns the content at the URL. Otherwise, returns null. */ public static String getUrlContent(String url) { try { HttpURLConnection urlConnection = (HttpURLConnection) new URL(url).openConnection(); int responseCode = urlConnection.getResponseCode(); if (responseCode == 200) { return CharStreams.toString(new InputStreamReader(urlConnection.getInputStream())); } } catch (IOException e) { } return null; } }