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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 com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.net;

import javax.net.SocketFactory;
import javax.net.ssl.SSLContext;

import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.net.ssl.ConfigurableSSLSocketFactory;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.net.ssl.SSLComponent;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.net.ssl.SSLConfiguration;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.net.ssl.SSLParametersConfiguration;

/**
 * An abstract base for module specific {@code SSLSocketAppender}
 * implementations located in other logback modules.
 *
 * @author Carl Harris
 */
public abstract class AbstractSSLSocketAppender extends AbstractSocketAppender
    implements SSLComponent {

  private SSLConfiguration ssl;
  private SocketFactory socketFactory;

  /**
   * Constructs a new appender.
   */
  protected AbstractSSLSocketAppender() {
  }

  /**
   * Gets an {@link SocketFactory} that produces SSL sockets using an
   * {@link SSLContext} that is derived from the appender's configuration.
   * @return socket factory
   */
  @Override
  protected SocketFactory getSocketFactory() {
    return socketFactory;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public void start() {
    try {
      SSLContext sslContext = getSsl().createContext(this);
      SSLParametersConfiguration parameters = getSsl().getParameters();
      parameters.setContext(getContext());
      socketFactory = new ConfigurableSSLSocketFactory(parameters, 
          sslContext.getSocketFactory());
      super.start();
    }
    catch (Exception ex) {
      addError(ex.getMessage(), ex);
    }
  }

  /**
   * Gets the SSL configuration.
   * @return SSL configuration; if no configuration has been set, a
   *    default configuration is returned
   */
  public SSLConfiguration getSsl() {
    if (ssl == null) {
      ssl = new SSLConfiguration();
    }
    return ssl;
  }

  /**
   * Sets the SSL configuration.
   * @param ssl the SSL configuration to set
   */
  public void setSsl(SSLConfiguration ssl) {
    this.ssl = ssl;
  }

}