Java tutorial
//package com.java2s; import java.io.ByteArrayOutputStream; import java.io.InputStream; public class Main { public static String decodeUTF8String(InputStream inputStream) { try { if (inputStream == null) { return ""; } if (inputStream.available() <= 0) { return ""; } ByteArrayOutputStream baos = new ByteArrayOutputStream(); byte[] buff = new byte[1024]; int len = 0; while ((len = inputStream.read(buff, 0, buff.length)) > 0) { baos.write(buff, 0, len); } String str = new String(baos.toByteArray(), "utf-8"); return str; } catch (Exception e) { // TODO: handle exception } return null; } }