Here you can find the source of camelToPeriod(String value)
public static String camelToPeriod(String value)
//package com.java2s; /******************************************************************************* * Cloud Foundry/*from w w w .ja v a 2s. c om*/ * Copyright (c) [2009-2017] Pivotal Software, Inc. All Rights Reserved. * <p/> * This product is licensed to you under the Apache License, Version 2.0 (the "License"). * You may not use this product except in compliance with the License. * <p/> * This product includes a number of subcomponents with * separate copyright notices and license terms. Your use of these * subcomponents is subject to the terms and conditions of the * subcomponent's license, as noted in the LICENSE file. *******************************************************************************/ public class Main { public static String camelToPeriod(String value) { return camelToDelimiter(value, "_"); } public static String camelToDelimiter(String value, String delimiter) { String result = value.replace(" ", delimiter); result = result.replaceAll("([a-z])([A-Z])", "$1" + delimiter + "$2"); result = result.replace(".", delimiter); result = result.toLowerCase(); return result; } }