| /* |
| * 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 freemarker.test.utility; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class Helpers { |
| |
| private Helpers() { } |
| |
| public static String arrayToString(double[] xs) { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append('['); |
| for (double x : xs) { |
| if (sb.length() != 1) sb.append(", "); |
| sb.append(x); |
| } |
| sb.append(']'); |
| |
| return sb.toString(); |
| } |
| |
| public static String arrayToString(Object[] array) { |
| if (array == null) return "null"; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append('['); |
| for (int i = 0; i < array.length; i++) { |
| if (i != 0) { |
| sb.append(", "); |
| } |
| sb.append(array[i]); |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| public static String arrayToString(Object[][] arrayArray) { |
| if (arrayArray == null) return "null"; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append('['); |
| boolean first = true; |
| for (Object[] array : arrayArray) { |
| if (!first) { |
| sb.append(", "); |
| } else { |
| first = false; |
| } |
| sb.append(arrayToString(array)); |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| public static String arrayToString(int[] array) { |
| if (array == null) return "null"; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append('['); |
| for (int i = 0; i < array.length; i++) { |
| if (i != 0) { |
| sb.append(", "); |
| } |
| sb.append(array[i]); |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| public static String arrayToString(int[][] xss) { |
| if (xss == null) return "null"; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append('['); |
| for (int i = 0; i < xss.length; i++) { |
| if (i != 0) { |
| sb.append(", "); |
| } |
| sb.append(arrayToString(xss[i])); |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| public static String arrayToString(char[] array) { |
| if (array == null) return "null"; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append('['); |
| for (int i = 0; i < array.length; i++) { |
| if (i != 0) { |
| sb.append(", "); |
| } |
| sb.append(array[i]); |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| public static String arrayToString(boolean[] array) { |
| if (array == null) return "null"; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append('['); |
| for (int i = 0; i < array.length; i++) { |
| if (i != 0) { |
| sb.append(", "); |
| } |
| sb.append(array[i]); |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| public static String listToString(List<?> list) { |
| return collectionToString("", list); |
| } |
| |
| |
| public static String setToString(Set<?> list) { |
| return collectionToString("Set", list); |
| } |
| |
| private static String collectionToString(String prefix, Collection<?> list) { |
| if (list == null) return "null"; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append(prefix); |
| sb.append('['); |
| boolean first = true; |
| for (Object item : list) { |
| if (!first) { |
| sb.append(", "); |
| } else { |
| first = false; |
| } |
| sb.append(item instanceof Object[] ? arrayToString((Object[]) item) : item); |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| } |