Java tutorial
//package com.java2s; //License from project: Apache License import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; public class Main { public static byte[] streamToByteArray(InputStream stream) throws IOException { ByteArrayOutputStream bytes = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; try { int count; while ((count = stream.read(buffer)) != -1) { bytes.write(buffer, 0, count); } return bytes.toByteArray(); } finally { stream.close(); bytes.close(); } } }