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Resin Java Application Server

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/*
 * Copyright (c) 1998-2018 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Sam
 */

package com.caucho.rewrite;

import javax.annotation.PostConstruct;
import javax.servlet.http.HttpServletRequest;

import com.caucho.config.ConfigException;
import com.caucho.util.L10N;

/**
 * A rewrite condition that passes if the request.getServerPort() matches.
 */
public class IfServerPort implements RequestPredicate
{
  private static final L10N L = new L10N(IfServerPort.class);
  
  private int _serverPort;

  public void setValue(int value)
  {
    _serverPort = value;
  }

  @PostConstruct
  public void init()
  {
    if (_serverPort == 0)
      throw new ConfigException(L.l("'serverPort' is a required attribute for {0}",
                                    getClass().getSimpleName()));
  }

  @Override
  public boolean isMatch(HttpServletRequest request)
  {
    return _serverPort == request.getServerPort();
  }
}