    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *     http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017
    018package org.apache.commons.lang3;
    019
    020import java.net.URLClassLoader;
    021import java.util.Arrays;
    022
    023/**
    024 * Helps work with {@link ClassLoader}.
    025 *
    026 * @since 3.10
    027 */
    028public class ClassLoaderUtils {
    029
    030    /**
    031     * Converts the given class loader to a String calling {@link #toString(URLClassLoader)}.
    032     *
    033     * @param classLoader to URLClassLoader to convert.
    034     * @return the formatted string.
    035     */
    036    public static String toString(final ClassLoader classLoader) {
    037        if (classLoader instanceof URLClassLoader) {
    038            return toString((URLClassLoader) classLoader);
    039        }
    040        return classLoader.toString();
    041    }
    042
    043    /**
    044     * Converts the given URLClassLoader to a String in the format
    045     * {@code "URLClassLoader.toString() + [URL1, URL2, ...]"}.
    046     *
    047     * @param classLoader to URLClassLoader to convert.
    048     * @return the formatted string.
    049     */
    050    public static String toString(final URLClassLoader classLoader) {
    051        return classLoader + Arrays.toString(classLoader.getURLs());
    052    }
    053}