Java tutorial
//package com.java2s; //License from project: Open Source License import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; public class Main { /** * Send the Http's request with the address of url * @param String url * @return String */ public static String getHttpRequest(String url) { //should use the StringBuilder or StringBuffer, String is not used. StringBuffer jsonContent = new StringBuffer(); try { URL getUrl = new URL(url); HttpURLConnection connection = (HttpURLConnection) getUrl.openConnection(); connection.connect(); //Getting the inputting stream, and then read the stream. BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream())); String lines = ""; while ((lines = reader.readLine()) != null) { jsonContent.append(lines); } reader.close(); connection.disconnect(); } catch (Exception e) { e.printStackTrace(); } //ScanningActivity.log("getHttpRequest(): " + content); //BooksPutIn.log("getHttpRequest(): " + content); return jsonContent.toString(); } }