| /* |
| * 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.commons.weaver.utils; |
| |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.Collection; |
| import java.util.stream.Stream; |
| |
| /** |
| * {@link URL} Array utilities. |
| */ |
| public final class URLArray { |
| /** |
| * Convert an {@link Iterable} of filesystem paths. |
| * @param files to convert |
| * @return URL[] |
| */ |
| public static URL[] fromPaths(final Iterable<String> files) { |
| return fromFiles(() -> stream(files).map(e -> e == null ? null : new File(e)).iterator()); |
| } |
| |
| /** |
| * Convert an {@link Iterable} of {@link File}s. |
| * @param files to convert |
| * @return URL[] |
| */ |
| public static URL[] fromFiles(final Iterable<File> files) { |
| return fromFiles(stream(files)); |
| } |
| |
| private static URL[] fromFiles(final Stream<File> files) { |
| return files.map(f -> { |
| if (f == null) { |
| return null; |
| } |
| try { |
| return f.toURI().toURL(); |
| } catch (final MalformedURLException e) { |
| // this shouldn't happen |
| throw new RuntimeException(e); |
| } |
| }).toArray(URL[]::new); |
| } |
| |
| private static <T> Stream<T> stream(final Iterable<T> iterable) { |
| if (iterable instanceof Collection<?>) { |
| return ((Collection<T>) iterable).stream(); |
| } |
| final Stream.Builder<T> builder = Stream.builder(); |
| iterable.forEach(builder); |
| return builder.build(); |
| } |
| |
| private URLArray() { |
| } |
| } |