/* * Copyright 2013-2016 Amazon.com, Inc. or its affiliates. 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. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file 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. */ package com.amazonaws.util; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; /** * Utilities for IO operations. */ public enum IOUtils { ; private static final int BUFFER_SIZE = 1024 * 4; /** * Reads and returns the rest of the given input stream as a byte array, * closing the input stream afterwards. */ public static byte[] toByteArray(InputStream is) throws IOException { ByteArrayOutputStream output = new ByteArrayOutputStream(); try { byte[] b = new byte[BUFFER_SIZE]; int n = 0; while ((n = is.read(b)) != -1) { output.write(b, 0, n); } return output.toByteArray(); } finally { output.close(); } } /** * Reads and returns the rest of the given input stream as a string, closing * the input stream afterwards. */ public static String toString(InputStream is) throws IOException { return new String(toByteArray(is), StringUtils.UTF8); } }