Here you can find the source of toLong(byte[] bytes)
Parameter | Description |
---|---|
bytes | the bytes to convert to a long |
public static long toLong(byte[] bytes)
//package com.java2s; /*//from w w w . java 2 s . c o m * Copyright 2013 Robert von Burg <eitch@eitchnet.ch> * * 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 { /** * Creates a long of the given byte array. They byte array must be 8 bytes long. The byte at index 0 is the highest * byte * * @param bytes * the bytes to convert to a long * * @return the long created from the bytes */ public static long toLong(byte[] bytes) { if (bytes.length != 8) throw new IllegalArgumentException("The input byte array for a long must have 8 values"); //$NON-NLS-1$ return ((long) (bytes[0] & 0xff) << 56) // | ((long) (bytes[1] & 0xff) << 48) // | ((long) (bytes[2] & 0xff) << 40) // | ((long) (bytes[3] & 0xff) << 32) // | ((long) (bytes[4] & 0xff) << 24) // | ((long) (bytes[5] & 0xff) << 16) // | ((long) (bytes[6] & 0xff) << 8) // | ((bytes[7] & 0xff)); } }