org.apache.pulsar.shade.io.netty.resolver.HostsFileEntries Maven / Gradle / Ivy
/*
* Copyright 2017 The Netty Project
*
* The Netty Project 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:
*
* https://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.pulsar.shade.io.netty.resolver;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* A container of hosts file entries.
* The mappings contain only the first entry per hostname.
* Consider using {@link HostsFileEntriesProvider} when mappings with all entries per hostname are needed.
*/
public final class HostsFileEntries {
/**
* Empty entries
*/
static final HostsFileEntries EMPTY =
new HostsFileEntries(
Collections.emptyMap(),
Collections.emptyMap());
private final Map inet4Entries;
private final Map inet6Entries;
public HostsFileEntries(Map inet4Entries, Map inet6Entries) {
this.inet4Entries = Collections.unmodifiableMap(new HashMap(inet4Entries));
this.inet6Entries = Collections.unmodifiableMap(new HashMap(inet6Entries));
}
/**
* The IPv4 entries
* @return the IPv4 entries
*/
public Map inet4Entries() {
return inet4Entries;
}
/**
* The IPv6 entries
* @return the IPv6 entries
*/
public Map inet6Entries() {
return inet6Entries;
}
}