Java tutorial
//package com.java2s; //License from project: Apache License import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; public class Main { private static final int BUFFER_SIZE = 4 * 1024; public static String inputStreamToString(InputStream inputStream, String charsetName) throws IOException { StringBuilder builder = new StringBuilder(); InputStreamReader reader = new InputStreamReader(inputStream, charsetName); char[] buffer = new char[BUFFER_SIZE]; int length; while ((length = reader.read(buffer)) != -1) { builder.append(buffer, 0, length); } return builder.toString(); } }