/*
    * junixsocket
    *
    * Copyright 2009-2026 Christian Kohlschütter
    *
    * 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.newsclub.net.unix.rmi;
  
  import java.io.IOException;
  import java.io.Serializable;
  import java.net.ServerSocket;
  import java.rmi.server.RMIServerSocketFactory;
  
  import com.kohlschutter.annotations.compiletime.SuppressFBWarnings;
  
  /**
   * An implementation of {@link RMIServerSocketFactory}.
   *
   * @see AFRMISocketFactory
   */
  @SuppressFBWarnings({
      "SING_SINGLETON_IMPLEMENTS_SERIALIZABLE", "SING_SINGLETON_HAS_NONPRIVATE_CONSTRUCTOR"})
  public class DefaultRMIServerSocketFactory implements RMIServerSocketFactory, Serializable {
    private static final long serialVersionUID = 1L;
    private static final DefaultRMIServerSocketFactory INSTANCE = new DefaultRMIServerSocketFactory();
  
    /**
     * Creates a new {@link DefaultRMIClientSocketFactory}.
     */
    public DefaultRMIServerSocketFactory() {
      super();
    }
  
    /**
     * Returns the singleton instance for DefaultRMIServerSocketFactory.
     *
     * @return The singleton.
     */
    public static DefaultRMIServerSocketFactory getInstance() {
      return INSTANCE;
    }
  
    @Override
    @SuppressFBWarnings("UNENCRYPTED_SERVER_SOCKET")
    public ServerSocket createServerSocket(int port) throws IOException {
      ServerSocket socket = new ServerSocket(port); // NOPMD.VariableCanBeInlined
      // socket.setSoTimeout(60 * 60 * 1000);
      return socket;
    }
  
    // we must implement this (see RMIServerSocketFactory)
    @Override
    public boolean equals(Object obj) {
      return obj instanceof DefaultRMIServerSocketFactory;
    }
  
    // we must implement this (see RMIServerSocketFactory)
    @Override
    public int hashCode() {
      return 1;
    }
  }