1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.lang3; 19 20 import java.net.URLClassLoader; 21 import java.util.Arrays; 22 23 /** 24 * Helps work with {@link ClassLoader}. 25 * 26 * @since 3.10 27 */ 28 public class ClassLoaderUtils { 29 30 /** 31 * Converts the given class loader to a String calling {@link #toString(URLClassLoader)}. 32 * 33 * @param classLoader to URLClassLoader to convert. 34 * @return the formatted string. 35 */ toString(final ClassLoader classLoader)36 public static String toString(final ClassLoader classLoader) { 37 if (classLoader instanceof URLClassLoader) { 38 return toString((URLClassLoader) classLoader); 39 } 40 return classLoader.toString(); 41 } 42 43 /** 44 * Converts the given URLClassLoader to a String in the format 45 * {@code "URLClassLoader.toString() + [URL1, URL2, ...]"}. 46 * 47 * @param classLoader to URLClassLoader to convert. 48 * @return the formatted string. 49 */ toString(final URLClassLoader classLoader)50 public static String toString(final URLClassLoader classLoader) { 51 return classLoader + Arrays.toString(classLoader.getURLs()); 52 } 53 } 54