ch.qos.logback.core.net.ssl.ConfigurableSSLSocketFactory Maven / Gradle / Ivy

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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.core.net.ssl;

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

import javax.net.SocketFactory;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;

/**
 * An {@link SSLSocketFactory} that configures SSL parameters 
 * (those covered by {@link SSLParameters}) on each newly created socket. 
 * 
 * When any of this factory's {@code createSocket} methods are invoked, it
 * calls on a {@link SSLSocketFactory} delegate to create the socket, and 
 * then sets the SSL parameters of the socket (using the provided 
 * configuration) before returning the socket to the caller.
 *
 * @author Carl Harris
 */
public class ConfigurableSSLSocketFactory extends SocketFactory {

    private final SSLParametersConfiguration parameters;
    private final SSLSocketFactory delegate;

    /**
     * Creates a new factory.
     * @param parameters parameters that will be configured on each
     *    socket created by the factory
     * @param delegate socket factory that will be called upon to create
     *    sockets before configuration
     */
    public ConfigurableSSLSocketFactory(SSLParametersConfiguration parameters, SSLSocketFactory delegate) {
        this.parameters = parameters;
        this.delegate = delegate;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
        SSLSocket socket = (SSLSocket) delegate.createSocket(address, port, localAddress, localPort);
        parameters.configure(new SSLConfigurableSocket(socket));
        return socket;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Socket createSocket(InetAddress host, int port) throws IOException {
        SSLSocket socket = (SSLSocket) delegate.createSocket(host, port);
        parameters.configure(new SSLConfigurableSocket(socket));
        return socket;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException, UnknownHostException {
        SSLSocket socket = (SSLSocket) delegate.createSocket(host, port, localHost, localPort);
        parameters.configure(new SSLConfigurableSocket(socket));
        return socket;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Socket createSocket(String host, int port) throws IOException, UnknownHostException {
        SSLSocket socket = (SSLSocket) delegate.createSocket(host, port);
        parameters.configure(new SSLConfigurableSocket(socket));
        return socket;
    }

}