Here you can find the source of getStreamToBytes(InputStream stream)
public static byte[] getStreamToBytes(InputStream stream) throws Exception
//package com.java2s; /******************************************************************************* * Copyright 2016 Sistcoop, Inc. and/or its affiliates * and other contributors as indicated by the @author tags. * * 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.//ww w . ja v a2 s . c om *******************************************************************************/ import java.io.*; public class Main { public static byte[] getStreamToBytes(InputStream stream) throws Exception { ByteArrayOutputStream baos = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int bytesRead = 0; while ((bytesRead = stream.read(buffer)) != -1) { baos.write(buffer, 0, bytesRead); } return baos.toByteArray(); } }