Java tutorial
/* * This file is a component of thundr, a software library from 3wks. * Read more: http://3wks.github.io/thundr/ * Copyright (C) 2015 3wks, <thundr@3wks.com.au> * * 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. */ package com.threewks.thundr.view.jsp.el; import java.util.Arrays; import java.util.Collections; import java.util.List; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.text.WordUtils; public class StringFunctions { public static String upperCase(Object arg) { return arg == null ? null : StringUtils.upperCase(arg.toString()); } public static String lowerCase(Object arg) { return arg == null ? null : StringUtils.lowerCase(arg.toString()); } public static String sentenceCase(Object arg) { return arg == null ? null : StringUtils.capitalize(arg.toString()); } public static String capitalise(Object arg) { return arg == null ? null : WordUtils.capitalizeFully(arg.toString()); } public static String replace(Object arg, String regex, String replacement) { return arg == null ? "" : arg.toString().replaceAll(regex == null ? "" : regex, replacement == null ? "" : replacement); } public static List<String> split(Object arg, String regex) { return arg == null ? Collections.<String>emptyList() : Arrays.asList(arg.toString().split(regex == null ? "\\s+" : regex)); } }