/**************************************************************************
* Parts copyright (c) 2001 by Punch Telematix. All rights reserved.       *
* Parts copyright (c) 2009 by Chris Gray, /k/ Embedded Java Solutions.    *
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package java.rmi.server;

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

public abstract class RMISocketFactory implements RMIClientSocketFactory, RMIServerSocketFactory {

  static final RMISocketFactory theDefaultSocketFactory = new wonka.rmi.DefaultRMISocketFactory();
  static RMISocketFactory currentSocketFactory = null;
  static RMIFailureHandler theFailureHandler = null;

  public RMISocketFactory() {}

  public abstract ServerSocket createServerSocket(int port) throws IOException;
  
  public abstract Socket createSocket(String host, int port) throws IOException;
  
  public static RMISocketFactory getDefaultSocketFactory() {
    return theDefaultSocketFactory;
  }
  
  public static RMIFailureHandler getFailureHandler() {
    return theFailureHandler;
  }
  
  public static RMISocketFactory getSocketFactory() {
    return currentSocketFactory;
  }
  
  public static void setFailureHandler(RMIFailureHandler fh) {
    theFailureHandler = fh;
  }
  
  public static void setSocketFactory(RMISocketFactory fac) throws IOException {
    if(currentSocketFactory != null){
      throw new IOException("Factory is already set");
    }

    if (wonka.vm.SecurityConfiguration.ENABLE_SECURITY_CHECKS) {
      SecurityManager sm = System.getSecurityManager();
      if (sm != null) {
        sm.checkSetFactory();
      }
    }

    currentSocketFactory = fac;
  }

  static RMISocketFactory getRMISocketFactory(){
    return currentSocketFactory == null ? theDefaultSocketFactory : currentSocketFactory;
  }

}