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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.qpid.ssl;

import javax.net.ServerSocketFactory;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.security.GeneralSecurityException;

/**
 * Simple Server Socket factory to create sockets with or without SSL enabled.
 * If SSL enabled a "bogus" SSL Context is used (suitable for test purposes)
 * <p/>
 * This is based on the example that comes with MINA, written by Trustin Lee.
 */
public class SSLServerSocketFactory extends javax.net.ServerSocketFactory
{
    private static boolean sslEnabled = false;

    private static javax.net.ServerSocketFactory sslFactory = null;

    private static ServerSocketFactory factory = null;

    public SSLServerSocketFactory()
    {
        super();
    }

    public ServerSocket createServerSocket(int port) throws IOException
    {
        return new ServerSocket(port);
    }

    public ServerSocket createServerSocket(int port, int backlog)
            throws IOException
    {
        return new ServerSocket(port, backlog);
    }

    public ServerSocket createServerSocket(int port, int backlog,
                                           InetAddress ifAddress)
            throws IOException
    {
        return new ServerSocket(port, backlog, ifAddress);
    }

    public static javax.net.ServerSocketFactory getServerSocketFactory()
            throws IOException
    {
        if (isSslEnabled())
        {
            if (sslFactory == null)
            {
                try
                {
                    sslFactory = BogusSSLContextFactory.getInstance(true)
                            .getServerSocketFactory();
                }
                catch (GeneralSecurityException e)
                {
                    IOException ioe = new IOException(
                            "could not create SSL socket");
                    ioe.initCause(e);
                    throw ioe;
                }
            }
            return sslFactory;
        }
        else
        {
            if (factory == null)
            {
                factory = new SSLServerSocketFactory();
            }
            return factory;
        }

    }

    public static boolean isSslEnabled()
    {
        return sslEnabled;
    }

    public static void setSslEnabled(boolean newSslEnabled)
    {
        sslEnabled = newSslEnabled;
    }
}