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• SynchronizedSocketFactory.java

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com.unboundid.util.SynchronizedSocketFactory Maven / Gradle / Ivy

/*
 * Copyright 2012-2023 Ping Identity Corporation
 * All Rights Reserved.
 */
/*
 * Copyright 2012-2023 Ping Identity Corporation
 *
 * 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.
 */
/*
 * Copyright (C) 2012-2023 Ping Identity Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (GPLv2 only)
 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see .
 */
package com.unboundid.util;



import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import javax.net.SocketFactory;



/**
 * This class provides an implementation of a Java socket factory that will
 * wrap a provided socket factory but will synchronize on each use of that
 * factory to ensure that only a single thread may use that factory to create
 * a socket at any given time.
 */
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class SynchronizedSocketFactory
       extends SocketFactory
{
  // The wrapped socket factory.
  @NotNull private final SocketFactory factory;



  /**
   * Creates a new synchronous socket factory instance that will wrap the
   * provided socket factory.
   *
   * @param  factory  The socket factory to be wrapped.
   */
  public SynchronizedSocketFactory(@NotNull final SocketFactory factory)
  {
    this.factory = factory;
  }



  /**
   * Retrieves the {@code SocketFactory} instance wrapped by this synchronized
   * socket factory.
   *
   * @return  The {@code SocketFactory} instance wrapped by this synchronized
   *          socket factory.
   */
  @NotNull()
  public SocketFactory getWrappedSocketFactory()
  {
    return factory;
  }



  /**
   * Creates a new socket to the specified server.
   *
   * @param  host  The host to which the connection should be established.
   * @param  port  The port to which the connection should be established.
   *
   * @return  The socket that was created.
   *
   * @throws  IOException  If a problem occurs while creating the socket.
   */
  @Override()
  @NotNull()
  public Socket createSocket(@NotNull final String host, final int port)
         throws IOException
  {
    synchronized (factory)
    {
      return factory.createSocket(host, port);
    }
  }



  /**
   * Creates a new socket to the specified server.
   *
   * @param  host          The host to which the connection should be
   *                       established.
   * @param  port          The port to which the connection should be
   *                       established.
   * @param  localAddress  The local address to use for the connection.
   * @param  localPort     The local port to use for the connection.
   *
   * @return  The socket that was created.
   *
   * @throws  IOException  If a problem occurs while creating the socket.
   */
  @Override()
  @NotNull()
  public Socket createSocket(@NotNull final String host, final int port,
                             @NotNull final InetAddress localAddress,
                             final int localPort)
         throws IOException
  {
    synchronized (factory)
    {
      return factory.createSocket(host, port, localAddress, localPort);
    }
  }



  /**
   * Creates a new socket to the specified server.
   *
   * @param  address  The address to which the connection should be established.
   * @param  port     The port to which the connection should be established.
   *
   * @return  The socket that was created.
   *
   * @throws  IOException  If a problem occurs while creating the socket.
   */
  @Override()
  @NotNull()
  public Socket createSocket(@NotNull final InetAddress address, final int port)
         throws IOException
  {
    synchronized (factory)
    {
      return factory.createSocket(address, port);
    }
  }



  /**
   * Creates a new socket to the specified server.
   *
   * @param  address       The address to which the connection should be
   *                       established.
   * @param  port          The port to which the connection should be
   *                       established.
   * @param  localAddress  The local address to use for the connection.
   * @param  localPort     The local port to use for the connection.
   *
   * @return  The socket that was created.
   *
   * @throws  IOException  If a problem occurs while creating the socket.
   */
  @Override()
  @NotNull()
  public Socket createSocket(@NotNull final InetAddress address, final int port,
                             @NotNull final InetAddress localAddress,
                             final int localPort)
         throws IOException
  {
    synchronized (factory)
    {
      return factory.createSocket(address, port, localAddress, localPort);
    }
  }
}