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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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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.
 */

package org.apache.geode.internal.net;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * The SocketUtils class is utility class for performing operations on Sockets and ServerSockets.
 * 
 * 
 * @see java.net.ServerSocket
 * @see java.net.Socket
 * @since GemFire 7.0
 */
public abstract class SocketUtils {

  /**
   * Closes the specified Socket silently ignoring any IOException, guarding against null Object
   * references.
   * 

   * 
   * @param socket the Socket to close.
   * @return boolean value indicating whether the Socket was successfully closed. If the Socket
   *         Object reference is null, then this method will return true.
   * @see java.net.Socket#close()
   */
  public static boolean close(final Socket socket) {
    if (socket != null) {
      try {
        socket.close();
      } catch (IOException ignore) {
        return false;
      }
    }

    return true;
  }

  /**
   * Closes the specified ServerSocket silently ignoring any IOException, guarding against null
   * Object references.
   * 
   * 
   * @param serverSocket the ServerSocket to close.
   * @return boolean value indicating whether the ServerSocket was successfully closed. If the
   *         ServerSocket Object reference is null, then this method will return true.
   * @see java.net.ServerSocket#close()
   */
  public static boolean close(final ServerSocket serverSocket) {
    if (serverSocket != null) {
      try {
        serverSocket.close();
      } catch (IOException ignore) {
        return false;
      }
    }

    return true;
  }

}