Java tutorial
//package com.java2s; import java.io.ByteArrayOutputStream; import java.io.InputStream; public class Main { public static byte[] readStream(InputStream is) throws Exception { byte[] bytes = new byte[1024]; int leng; ByteArrayOutputStream baos = new ByteArrayOutputStream(); while ((leng = is.read(bytes)) != -1) { baos.write(bytes, 0, leng); } return baos.toByteArray(); } }