# Coverage details for com.martiansoftware.nailgun.LongUtils

Line | Hits | Source
--- | --- | ---
1 |  | `/*`
2 |  | ``
3 |  | `Copyright 2004, Martian Software, Inc.`
4 |  | ``
5 |  | `Licensed under the Apache License, Version 2.0 (the "License");`
6 |  | `you may not use this file except in compliance with the License.`
7 |  | `You may obtain a copy of the License at`
8 |  | ``
9 |  | `http://www.apache.org/licenses/LICENSE-2.0`
10 |  | ``
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.`
16 |  | ``
17 |  | `*/`
18 |  | ``
19 |  | `package com.martiansoftware.nailgun;`
20 |  | ``
21 |  | `/**`
22 |  | `* Provides a couple of utility methods that help in reading/writin`
23 |  | `* chunks of data in the Nailgun protocol.`
24 |  | `*`
25 |  | `* @author <a href="http://www.martiansoftware.com/contact.html">Marty Lamb</a>`
26 |  | `*/`
27 | 0 | `class LongUtils {`
28 |  | ``
29 |  | `/**`
30 |  | `* Encodes the specified long in 4 consecutive bytes (big-endian)`
31 |  | `* in the specified array, beginning at the specified offset.`
32 |  | `* @param l the long to encode`
33 |  | `* @param b the array into which the long should be written`
34 |  | `* @param offset the offset into the array at which the writing`
35 |  | `* should begin`
36 |  | `*/`
37 |  | `public static void toArray(long l, byte[] b, int offset) {`
38 | 3 | `b[offset + 3] = (byte) (l % 256);`
39 | 3 | `l >>>= 8;`
40 | 3 | `b[offset + 2] = (byte) (l % 256);`
41 | 3 | `l >>>= 8;`
42 | 3 | `b[offset + 1] = (byte) (l % 256);`
43 | 3 | `l >>>= 8;`
44 | 3 | `b[0] = (byte) (l % 256);`
45 | 3 | `}`
46 |  | ``
47 |  | `/**`
48 |  | `* Reads a 4-byte big-endian long from the specified array,`
49 |  | `* beginnin at the specified offset.`
50 |  | `* @param b the array containing the encoded long`
51 |  | `* @param offset the offset into the array at which the encoded`
52 |  | `* long begins`
53 |  | `* @return the decoded long`
54 |  | `*/`
55 |  | `public static long fromArray(byte[] b, int offset) {`
56 | 7 | `return(((long) (b[offset] & 0xff) << 24)`
57 |  | `+ ((long) (b[offset + 1] & 0xff) << 16)`
58 |  | `+ ((long) (b[offset + 2] & 0xff) << 8)`
59 |  | `+ ((long) (b[offset + 3] & 0xff)));`
60 |  | `}`
61 |  | `}`

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