/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.ambari.server.utils; import java.util.List; import java.util.ListIterator; public class CustomStringUtils { /** * <code>CustomStringUtils</code> instances should NOT be constructed in * standard programming. Instead, the class should be used as * <code>CustomStringUtils.containsCaseInsensitive("foo", arrayList)</code> */ public CustomStringUtils(){ super(); } /** * Returns <tt>true</tt> if this list contains the specified string element, ignoring case considerations. * @param s element whose presence in this list is to be tested * @param l list of strings, where presence of string element would be checked * @return <tt>true</tt> if this list contains the specified element */ public static boolean containsCaseInsensitive(String s, List<String> l){ for (String listItem : l){ if (listItem.equalsIgnoreCase(s)){ return true; } } return false; } /** * Make list of string lowercase * @param l list of strings, which need to be in lowercase */ public static void toLowerCase(List<String> l) { ListIterator<String> iterator = l.listIterator(); while (iterator.hasNext()) { iterator.set(iterator.next().toLowerCase()); } } /** * Make list of string lowercase * @param l list of strings, which need to be in lowercase */ public static void toUpperCase(List<String> l) { ListIterator<String> iterator = l.listIterator(); while (iterator.hasNext()) { iterator.set(iterator.next().toUpperCase()); } } }