/* * Copyright (C) 2011 Rhegium Team * * 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 org.rhegium.internal.utils; public final class StringUtils { private StringUtils() { } public static boolean isEmpty(String value) { if (value == null) { return true; } return value.isEmpty(); } public static String join(String separator, String... strings) { final StringBuilder builder = new StringBuilder(); for (int i = 0; i < strings.length; i++) { builder.append(strings[i]); if (i < strings.length - 2) { builder.append(separator); } } return builder.toString(); } }