nl.topicus.jdbc.shaded.org.apache.http.conn.scheme.PlainSocketFactory Maven / Gradle / Ivy
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* ====================================================================
* 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
* .
*
*/
package nl.topicus.jdbc.shaded.org.apache.http.conn.scheme;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketTimeoutException;
import nl.topicus.jdbc.shaded.org.apache.http.annotation.Immutable;
import nl.topicus.jdbc.shaded.org.apache.http.conn.ConnectTimeoutException;
import nl.topicus.jdbc.shaded.org.apache.http.params.HttpConnectionParams;
import nl.topicus.jdbc.shaded.org.apache.http.params.HttpParams;
/**
* The default class for creating plain (unencrypted) sockets.
*
* The following parameters can be used to customize the behavior of this
* class:
*
* - {@link nl.topicus.jdbc.shaded.org.apache.http.params.CoreConnectionPNames#CONNECTION_TIMEOUT}
*
*
* @since 4.0
*/
@Immutable
public final class PlainSocketFactory implements SocketFactory {
/**
* The default factory.
*/
private static final
PlainSocketFactory DEFAULT_FACTORY = new PlainSocketFactory();
private final HostNameResolver nameResolver;
/**
* Gets the default factory. Usually there should be no reason for creating
* multiple instances of this class.
*
* @return the default factory
*/
public static PlainSocketFactory getSocketFactory() {
return DEFAULT_FACTORY;
}
public PlainSocketFactory(final HostNameResolver nameResolver) {
super();
this.nameResolver = nameResolver;
}
public PlainSocketFactory() {
this(null);
}
public Socket createSocket() {
return new Socket();
}
public Socket connectSocket(Socket sock, String host, int port,
InetAddress localAddress, int localPort,
HttpParams params)
throws IOException {
if (host == null) {
throw new IllegalArgumentException("Target host may not be null.");
}
if (params == null) {
throw new IllegalArgumentException("Parameters may not be null.");
}
if (sock == null)
sock = createSocket();
if ((localAddress != null) || (localPort > 0)) {
// we need to bind explicitly
if (localPort < 0)
localPort = 0; // indicates "any"
InetSocketAddress isa =
new InetSocketAddress(localAddress, localPort);
sock.bind(isa);
}
int timeout = HttpConnectionParams.getConnectionTimeout(params);
InetSocketAddress remoteAddress;
if (this.nameResolver != null) {
remoteAddress = new InetSocketAddress(this.nameResolver.resolve(host), port);
} else {
remoteAddress = new InetSocketAddress(host, port);
}
try {
sock.connect(remoteAddress, timeout);
} catch (SocketTimeoutException ex) {
throw new ConnectTimeoutException("Connect to " + remoteAddress + " timed out");
}
return sock;
}
/**
* Checks whether a socket connection is secure.
* This factory creates plain socket connections
* which are not considered secure.
*
* @param sock the connected socket
*
* @return false
*
* @throws IllegalArgumentException if the argument is invalid
*/
public final boolean isSecure(Socket sock)
throws IllegalArgumentException {
if (sock == null) {
throw new IllegalArgumentException("Socket may not be null.");
}
// This check is performed last since it calls a method implemented
// by the argument object. getClass() is final in java.lang.Object.
if (sock.isClosed()) {
throw new IllegalArgumentException("Socket is closed.");
}
return false;
}
}