/*
 *  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.directory.server.ssl;


import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.GeneralSecurityException;

import javax.net.SocketFactory;


/**
 * Simple Socket factory to create sockets with or without SSL enabled.
 * If SSL enabled a "bougus" SSL Context is used (suitable for test purposes)
 * 
 */
public class SSLSocketFactory extends SocketFactory
{
    private static boolean sslEnabled = true;

    private static javax.net.ssl.SSLSocketFactory sslFactory = null;

    private static javax.net.SocketFactory factory = null;


    public static SocketFactory getDefault()
    {
        return new SSLSocketFactory();
    }


    public SSLSocketFactory()
    {
        super();
    }


    public Socket createSocket( String arg1, int arg2 ) throws IOException, UnknownHostException
    {
        if ( isSslEnabled() )
        {
            return getSSLFactory().createSocket( arg1, arg2 );
        }
        else
        {
            return new Socket( arg1, arg2 );
        }
    }


    public Socket createSocket( String arg1, int arg2, InetAddress arg3, int arg4 ) throws IOException,
        UnknownHostException
    {
        if ( isSslEnabled() )
        {
            return getSSLFactory().createSocket( arg1, arg2, arg3, arg4 );
        }
        else
        {
            return new Socket( arg1, arg2, arg3, arg4 );
        }
    }


    public Socket createSocket( InetAddress arg1, int arg2 ) throws IOException
    {
        if ( isSslEnabled() )
        {
            return getSSLFactory().createSocket( arg1, arg2 );
        }
        else
        {
            return new Socket( arg1, arg2 );
        }
    }


    public Socket createSocket( InetAddress arg1, int arg2, InetAddress arg3, int arg4 ) throws IOException
    {
        if ( isSslEnabled() )
        {
            return getSSLFactory().createSocket( arg1, arg2, arg3, arg4 );
        }
        else
        {
            return new Socket( arg1, arg2, arg3, arg4 );
        }
    }


    public static javax.net.SocketFactory getSocketFactory()
    {
        if ( factory == null )
        {
            factory = new SSLSocketFactory();
        }
        return factory;
    }


    private javax.net.ssl.SSLSocketFactory getSSLFactory()
    {
        if ( sslFactory == null )
        {
            try
            {
                sslFactory = BogusSSLContextFactory.getInstance( false ).getSocketFactory();
            }
            catch ( GeneralSecurityException e )
            {
                throw new RuntimeException( "could not create SSL socket", e );
            }
        }
        return sslFactory;
    }


    public static boolean isSslEnabled()
    {
        return sslEnabled;
    }


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

}
