/**
* 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.cxf.transport.https.httpclient;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.cxf.common.logging.LogUtils;
/**
* {@link org.apache.http.conn.util.PublicSuffixMatcher} loader.
*
* Copied from httpclient.
*/
public final class PublicSuffixMatcherLoader {
private static final Logger LOG = LogUtils.getL7dLogger(PublicSuffixMatcherLoader.class);
private static volatile PublicSuffixMatcher defaultInstance;
private PublicSuffixMatcherLoader() {
//
}
private static PublicSuffixMatcher load(final InputStream in) throws IOException {
final PublicSuffixList list = new PublicSuffixListParser().parse(
new InputStreamReader(in, StandardCharsets.UTF_8));
return new PublicSuffixMatcher(list.getRules(), list.getExceptions());
}
public static PublicSuffixMatcher load(final URL url) throws IOException {
if (url == null) {
throw new IllegalArgumentException("URL is null");
}
try (InputStream in = url.openStream()) {
return load(in);
}
}
public static PublicSuffixMatcher load(final File file) throws IOException {
if (file == null) {
throw new IllegalArgumentException("File is null");
}
try (InputStream in = Files.newInputStream(file.toPath())) {
return load(in);
}
}
public static PublicSuffixMatcher getDefault() {
if (defaultInstance == null) {
synchronized (PublicSuffixMatcherLoader.class) {
if (defaultInstance == null) {
final URL url = PublicSuffixMatcherLoader.class.getResource(
"/mozilla/public-suffix-list.txt");
if (url != null) {
try {
defaultInstance = load(url);
} catch (IOException ex) {
// Should never happen
if (LOG.isLoggable(Level.WARNING)) {
LOG.log(Level.WARNING,
"Failure loading public suffix list from default resource",
ex);
}
}
} else {
defaultInstance = new PublicSuffixMatcher(Arrays.asList("com"), null);
}
}
}
}
return defaultInstance;
}
}