| 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 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
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