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With inspiration from other libraries
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/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.classic.net;

import java.security.NoSuchAlgorithmException;

import javax.net.ServerSocketFactory;
import javax.net.ssl.SSLContext;

import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;
import ch.qos.logback.core.net.ssl.ConfigurableSSLServerSocketFactory;
import ch.qos.logback.core.net.ssl.SSLParametersConfiguration;

/**
 * A {@link SimpleSocketServer} that supports SSL.
 * 
 *  *      <b>Usage:</b> java ch.qos.logback.classic.net.ssl.SimpleSSLSocketServer port configFile
 * 
 * 
 * where port is a port number where the server listens and
 * configFile is an xml configuration file fed to
 * {@link JoranConfigurator}.
 * 
 * When running the SimpleSSLServerFactory as shown above, it is necessary to
 * configure JSSE system properties using {@code -Dname=value} on the
 * command-line when starting the server. In particular, you will probably
 * want/need to configure the following system properties:
 * 
 * javax.net.ssl.keyStore
 * javax.net.ssl.keyStorePassword
 * javax.net.ssl.keyStoreType
 * javax.net.ssl.trustStore
 * javax.net.ssl.trustStorePassword
 * javax.net.ssl.trustStoreType
 * 
 * 
 * See the 
 * Customizing the JSSE in the JSSE Reference Guide for details on how to
 * set these system properties.
 * 
 * @author Carl Harris
 */
public class SimpleSSLSocketServer extends SimpleSocketServer {

    private final ServerSocketFactory socketFactory;

    public static void main(String argv[]) throws Exception {
        doMain(SimpleSSLSocketServer.class, argv);
    }

    /**
     * Creates a new server using the default SSL context.
     * @param lc logger context for received events
     * @param port port on which the server is to listen
     * @throws NoSuchAlgorithmException if the default SSL context cannot be
     *         created
     */
    public SimpleSSLSocketServer(LoggerContext lc, int port) throws NoSuchAlgorithmException {
        this(lc, port, SSLContext.getDefault());
    }

    /**
     * Creates a new server using a custom SSL context.
     * @param lc logger context for received events
     * @param port port on which the server is to listen
     * @param sslContext custom SSL context
     */
    public SimpleSSLSocketServer(LoggerContext lc, int port, SSLContext sslContext) {
        super(lc, port);
        if (sslContext == null) {
            throw new NullPointerException("SSL context required");
        }
        SSLParametersConfiguration parameters = new SSLParametersConfiguration();

        parameters.setContext(lc);
        this.socketFactory = new ConfigurableSSLServerSocketFactory(parameters, sslContext.getServerSocketFactory());
    }

    @Override
    protected ServerSocketFactory getServerSocketFactory() {
        return socketFactory;
    }

}