chrismair | 00dc7bd | 2014-05-11 21:21:28 +0000 | [diff] [blame] | 1 | /*
|
| 2 | * Copyright 2008 the original author or authors.
|
| 3 | *
|
| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
|
| 5 | * you may not use this file except in compliance with the License.
|
| 6 | * You may obtain a copy of the License at
|
| 7 | *
|
| 8 | * http://www.apache.org/licenses/LICENSE-2.0
|
| 9 | *
|
| 10 | * Unless required by applicable law or agreed to in writing, software
|
| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
|
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 13 | * See the License for the specific language governing permissions and
|
| 14 | * limitations under the License.
|
| 15 | */
|
| 16 | package org.mockftpserver.core.util;
|
| 17 |
|
| 18 | import java.io.ByteArrayOutputStream;
|
| 19 | import java.io.IOException;
|
| 20 | import java.io.InputStream;
|
| 21 |
|
| 22 | /**
|
| 23 | * Contains static I/O-related utility methods.
|
| 24 | *
|
| 25 | * @author Chris Mair
|
| 26 | * @version $Revision$ - $Date$
|
| 27 | */
|
| 28 | public class IoUtil {
|
| 29 |
|
| 30 | /**
|
| 31 | * Read the contents of the InputStream and return as a byte[].
|
| 32 | *
|
| 33 | * @param input - the InputStream to read
|
| 34 | * @return the contents of the InputStream as a byte[]
|
| 35 | * @throws AssertFailedException - if the InputStream is null
|
| 36 | * @throws java.io.IOException - if an error occurs reading the bytes
|
| 37 | */
|
| 38 | public static byte[] readBytes(InputStream input) throws IOException {
|
| 39 | Assert.notNull(input, "input");
|
| 40 | ByteArrayOutputStream outBytes = new ByteArrayOutputStream();
|
| 41 |
|
| 42 | try {
|
| 43 | while (true) {
|
| 44 | int b = input.read();
|
| 45 | if (b == -1) {
|
| 46 | break;
|
| 47 | }
|
| 48 | outBytes.write(b);
|
| 49 | }
|
| 50 | }
|
| 51 | finally {
|
| 52 | input.close();
|
| 53 | }
|
| 54 | return outBytes.toByteArray();
|
| 55 | }
|
| 56 |
|
| 57 | /**
|
| 58 | * Private constructor to prevent instantiation. All members are static.
|
| 59 | */
|
| 60 | private IoUtil() {
|
| 61 | }
|
| 62 |
|
| 63 | }
|