]>
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2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 package org
.apache
.arrow
.vector
.ipc
;
20 import java
.io
.IOException
;
21 import java
.nio
.charset
.StandardCharsets
;
22 import java
.util
.Arrays
;
25 * Magic header/footer helpers for {@link ArrowFileWriter} and {@link ArrowFileReader} formatted files.
28 private ArrowMagic(){}
30 private static final byte[] MAGIC
= "ARROW1".getBytes(StandardCharsets
.UTF_8
);
32 public static final int MAGIC_LENGTH
= MAGIC
.length
;
34 public static void writeMagic(WriteChannel out
, boolean align
) throws IOException
{
41 public static boolean validateMagic(byte[] array
) {
42 return Arrays
.equals(MAGIC
, array
);