| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.client5.http.psl; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.net.URL; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.hc.core5.annotation.Contract; |
| import org.apache.hc.core5.annotation.ThreadingBehavior; |
| import org.apache.hc.core5.util.Args; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * {@link PublicSuffixMatcher} loader. |
| * |
| * @since 4.4 |
| */ |
| @Contract(threading = ThreadingBehavior.SAFE) |
| public final class PublicSuffixMatcherLoader { |
| |
| private static PublicSuffixMatcher load(final InputStream in) throws IOException { |
| final List<PublicSuffixList> lists = new PublicSuffixListParser().parseByType( |
| new InputStreamReader(in, StandardCharsets.UTF_8)); |
| return new PublicSuffixMatcher(lists); |
| } |
| |
| public static PublicSuffixMatcher load(final URL url) throws IOException { |
| Args.notNull(url, "URL"); |
| try (InputStream in = url.openStream()) { |
| return load(in); |
| } |
| } |
| |
| public static PublicSuffixMatcher load(final File file) throws IOException { |
| Args.notNull(file, "File"); |
| try (InputStream in = new FileInputStream(file)) { |
| return load(in); |
| } |
| } |
| |
| private static volatile PublicSuffixMatcher DEFAULT_INSTANCE; |
| |
| public static PublicSuffixMatcher getDefault() { |
| if (DEFAULT_INSTANCE == null) { |
| synchronized (PublicSuffixMatcherLoader.class) { |
| if (DEFAULT_INSTANCE == null){ |
| final URL url = PublicSuffixMatcherLoader.class.getResource( |
| "/mozilla/public-suffix-list.txt"); |
| if (url != null) { |
| try { |
| DEFAULT_INSTANCE = load(url); |
| } catch (final IOException ex) { |
| // Should never happen |
| final Logger log = LoggerFactory.getLogger(PublicSuffixMatcherLoader.class); |
| if (log.isWarnEnabled()) { |
| log.warn("Failure loading public suffix list from default resource", ex); |
| } |
| } |
| } else { |
| DEFAULT_INSTANCE = new PublicSuffixMatcher(DomainType.ICANN, Arrays.asList("com"), null); |
| } |
| } |
| } |
| } |
| return DEFAULT_INSTANCE; |
| } |
| |
| } |