Here you can find the source of generateUuid()
public static String generateUuid()
//package com.java2s; /*//from www . j a v a 2 s . c om * **************************************************- * ingrid-interface-csw * ================================================== * Copyright (C) 2014 - 2016 wemove digital solutions GmbH * ================================================== * Licensed under the EUPL, Version 1.1 or ? as soon they will be * approved by the European Commission - subsequent versions of the * EUPL (the "Licence"); * * You may not use this work except in compliance with the Licence. * You may obtain a copy of the Licence at: * * http://ec.europa.eu/idabc/eupl5 * * Unless required by applicable law or agreed to in writing, software * distributed under the Licence is distributed on an "AS IS" basis, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the Licence for the specific language governing permissions and * limitations under the Licence. * **************************************************# */ import java.util.UUID; public class Main { public static String generateUuid() { UUID uuid = UUID.randomUUID(); StringBuffer idcUuid = new StringBuffer(uuid.toString().toUpperCase()); while (idcUuid.length() < 36) { idcUuid.append("0"); } return idcUuid.toString(); } }