Java tutorial
//package com.java2s; /* * Copyright 2014-2016 QuickAF * * 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 { public static byte[] getBytesFromStream(InputStream inputStream) { ByteArrayOutputStream os = new ByteArrayOutputStream(1024); byte[] buffer = new byte[1024]; int len; try { while ((len = inputStream.read(buffer)) >= 0) { os.write(buffer, 0, len); } } catch (IOException e) { e.printStackTrace(); } return os.toByteArray(); } }