org.conscrypt.PeerInfoProvider Maven / Gradle / Ivy
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed 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.conscrypt;
/**
* A provider for the peer host and port information.
*/
abstract class PeerInfoProvider {
private static final PeerInfoProvider NULL_PEER_INFO_PROVIDER = new PeerInfoProvider() {
@Override
String getHostname() {
return null;
}
@Override
public String getHostnameOrIP() {
return null;
}
@Override
public int getPort() {
return -1;
}
};
/**
* Returns the hostname supplied during engine/socket creation. No DNS resolution is
* attempted before returning the hostname.
*/
abstract String getHostname();
/**
* This method attempts to create a textual representation of the peer host or IP. Does
* not perform a reverse DNS lookup. This is typically used during session creation.
*/
abstract String getHostnameOrIP();
/**
* Gets the port of the peer.
*/
abstract int getPort();
static PeerInfoProvider nullProvider() {
return NULL_PEER_INFO_PROVIDER;
}
static PeerInfoProvider forHostAndPort(final String host, final int port) {
return new PeerInfoProvider() {
@Override
String getHostname() {
return host;
}
@Override
public String getHostnameOrIP() {
return host;
}
@Override
public int getPort() {
return port;
}
};
}
}