Here you can find the source of unsignedIntToByteArray(long value)
public static byte[] unsignedIntToByteArray(long value)
//package com.java2s; /*/*ww w. ja va 2 s. c o m*/ * Java Portable Network Graphics Library * (C) Copyright 2013-2014 Tag Dynamics, LLC (http://tagdynamics.com/) * * 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 byte[] unsignedIntToByteArray(long value) { return new byte[] { (byte) (value >>> 24), (byte) (value >>> 16), (byte) (value >>> 8), (byte) value }; // byte[] bytes = null; // // ByteArrayOutputStream baos = new ByteArrayOutputStream(); // DataOutputStream daos = new DataOutputStream(baos); // // try // { // daos.writeLong(value); // daos.flush(); // bytes = newbaos.toByteArray(); // } catch (IOException e) // { // // } // // return bytes; } }