Here you can find the source of convertStreamToString(InputStream is)
static String convertStreamToString(InputStream is)
//package com.java2s; import java.io.InputStream; import java.util.Scanner; public class Main { static String convertStreamToString(InputStream is) { Scanner s = new Scanner(is, "utf-8").useDelimiter("\\A"); return s.hasNext() ? s.next() : ""; }// w w w . j av a2 s . c om }