/**
 * The FreeBSD Copyright
 * Copyright 1994-2008 The FreeBSD Project. All rights reserved.
 * Copyright (C) 2013-2017 Philip Helger philip[at]helger[dot]com
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *    1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies, either expressed or implied, of the FreeBSD Project.
 */
package com.helger.as2lib;

import java.io.IOException;
import java.io.InputStream;

import javax.annotation.concurrent.Immutable;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.helger.commons.io.resource.ClassPathResource;
import com.helger.commons.lang.NonBlockingProperties;

/**
 * Global information constants.
 *
 * @author Philip Helger
 */
@Immutable
public final class CAS2Info
{
  /** The name of this AS2 client. May not contain blanks. */
  public static final String NAME = "ph-OpenAS2";

  /** The version of this AS2 client. May not contain blanks. */
  public static final String VERSION;

  private static final Logger s_aLogger = LoggerFactory.getLogger (CAS2Info.class);

  static
  {
    String sProjectVersion = "undefined";
    try
    {
      final NonBlockingProperties p = new NonBlockingProperties ();
      final InputStream aIS = ClassPathResource.getInputStream ("as2-lib-version.properties");
      if (aIS != null)
      {
        p.load (aIS);
        sProjectVersion = p.getProperty ("version");
      }
    }
    catch (final IOException ex)
    {
      // Project version stays "undefined"
    }
    if (sProjectVersion == null)
      s_aLogger.warn ("Failed to load version number");
    VERSION = sProjectVersion;
  }

  /** Combination of {@link #NAME} and {@link #VERSION} separated by a blank. */
  public static final String NAME_VERSION = NAME + " " + VERSION;

  private CAS2Info ()
  {}
}