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The Java operations layer for the MongoDB Java Driver.
Third parties can wrap this layer to provide custom higher-level APIs
/*
* Copyright 2008-present MongoDB, Inc.
*
* 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 com.mongodb;
import com.mongodb.annotations.Immutable;
import com.mongodb.lang.Nullable;
import java.io.Serializable;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
/**
* Represents the location of a Mongo server - i.e. server name and port number
*/
@Immutable
public class ServerAddress implements Serializable {
private static final long serialVersionUID = 4027873363095395504L;
/**
* The host.
*/
private final String host;
/**
* The port.
*/
private final int port;
/**
* Creates a ServerAddress with default host and port
*/
public ServerAddress() {
this(defaultHost(), defaultPort());
}
/**
* Creates a ServerAddress with default port
*
* @param host hostname
*/
public ServerAddress(@Nullable final String host) {
this(host, defaultPort());
}
/**
* Creates a ServerAddress with default port
*
* @param inetAddress host address
*/
public ServerAddress(final InetAddress inetAddress) {
this(inetAddress.getHostName(), defaultPort());
}
/**
* Creates a ServerAddress
*
* @param inetAddress host address
* @param port mongod port
*/
public ServerAddress(final InetAddress inetAddress, final int port) {
this(inetAddress.getHostName(), port);
}
/**
* Creates a ServerAddress
*
* @param inetSocketAddress inet socket address containing hostname and port
*/
public ServerAddress(final InetSocketAddress inetSocketAddress) {
this(inetSocketAddress.getAddress(), inetSocketAddress.getPort());
}
/**
* Creates a ServerAddress
*
* @param host hostname
* @param port mongod port
*/
public ServerAddress(@Nullable final String host, final int port) {
String hostToUse = host;
if (hostToUse == null) {
hostToUse = defaultHost();
}
hostToUse = hostToUse.trim();
if (hostToUse.length() == 0) {
hostToUse = defaultHost();
}
int portToUse = port;
if (hostToUse.startsWith("[")) {
int idx = host.indexOf("]");
if (idx == -1) {
throw new IllegalArgumentException("an IPV6 address must be encosed with '[' and ']'"
+ " according to RFC 2732.");
}
int portIdx = host.indexOf("]:");
if (portIdx != -1) {
if (port != defaultPort()) {
throw new IllegalArgumentException("can't specify port in construct and via host");
}
portToUse = Integer.parseInt(host.substring(portIdx + 2));
}
hostToUse = host.substring(1, idx);
} else {
int idx = hostToUse.indexOf(":");
int lastIdx = hostToUse.lastIndexOf(":");
if (idx == lastIdx && idx > 0) {
if (port != defaultPort()) {
throw new IllegalArgumentException("can't specify port in construct and via host");
}
try {
portToUse = Integer.parseInt(hostToUse.substring(idx + 1));
} catch (NumberFormatException e) {
throw new MongoException("host and port should be specified in host:port format");
}
hostToUse = hostToUse.substring(0, idx).trim();
}
}
this.host = hostToUse.toLowerCase();
this.port = portToUse;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ServerAddress that = (ServerAddress) o;
if (port != that.port) {
return false;
}
if (!host.equals(that.host)) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = host.hashCode();
result = 31 * result + port;
return result;
}
/**
* Gets the hostname
*
* @return hostname
*/
public String getHost() {
return host;
}
/**
* Gets the port number
*
* @return port
*/
public int getPort() {
return port;
}
/**
* Gets the underlying socket address
*
* @return socket address
* @deprecated Prefer {@link InetAddress#getByName(String)}
*/
@Deprecated
public InetSocketAddress getSocketAddress() {
try {
return new InetSocketAddress(InetAddress.getByName(host), port);
} catch (UnknownHostException e) {
throw new MongoSocketException(e.getMessage(), this, e);
}
}
/**
* Gets all underlying socket addresses
*
* @return array of socket addresses
*
* @since 3.9
* @deprecated Prefer {@link InetAddress#getAllByName(String)}
*/
@Deprecated
public List getSocketAddresses() {
try {
InetAddress[] inetAddresses = InetAddress.getAllByName(host);
List inetSocketAddressList = new ArrayList<>();
for (InetAddress inetAddress : inetAddresses) {
inetSocketAddressList.add(new InetSocketAddress(inetAddress, port));
}
return inetSocketAddressList;
} catch (UnknownHostException e) {
throw new MongoSocketException(e.getMessage(), this, e);
}
}
@Override
public String toString() {
return host + ":" + port;
}
/**
* Returns the default database host: "127.0.0.1"
*
* @return IP address of default host.
*/
public static String defaultHost() {
return "127.0.0.1"; // NOPMD
}
/**
* Returns the default database port: 27017
*
* @return the default port
*/
public static int defaultPort() {
return 27017;
}
}
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