Java Byte Array to Long byte2Long(byte[] bytes, int offset)

Description

byte Long

License

Apache License

Declaration

public static long byte2Long(byte[] bytes, int offset) 

Method Source Code

//package com.java2s;
/*//  w w  w.j a  v a 2  s  .c  o  m
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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. 
 *
 */

public class Main {
    public static long byte2Long(byte[] bytes, int offset) {
        long val = 0;
        for (int i = 0; i < 8; i++) {
            byte b = bytes[i + offset];
            long orBin = b & 0x7f;
            if (b < 0) {
                orBin = orBin | 0x80;
            }
            val = (val << 8) | orBin;
        }
        return val;
    }
}

Related

1. atol(byte[] s)
2. atol(byte[] s, int offset)
3. bufferToLong(byte[] ioBuffer)
4. byte2long(byte[] b)
5. byte2long(byte[] b)
6. byte2Long(byte[] bytes, int offset)
7. byte2long(byte[] data)
8. byte2long(byte[] value, int count)
9. byte2long(final byte[] v)