Java tutorial
//package com.java2s; /** Copyright 2014 Google Inc. All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; public class Main { /** * Write the contents of an input stream into a byte array. * @param inputStream The stream to convert into a byte array. * @return A byte array containing the contents of the input stream. * @throws IOException */ private static byte[] convertInputStreamToByteArray(InputStream inputStream) throws IOException { byte[] bytes = null; ByteArrayOutputStream bos = new ByteArrayOutputStream(); byte data[] = new byte[1024]; int count; while ((count = inputStream.read(data)) != -1) { bos.write(data, 0, count); } bos.flush(); bos.close(); inputStream.close(); bytes = bos.toByteArray(); return bytes; } }