content: /*
   This file is part of Airsonic.
  
   Airsonic 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 3 of the License, or
   (at your option) any later version.
  
   Airsonic 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.  See the
   GNU General Public License for more details.
  
   You should have received a copy of the GNU General Public License
   along with Airsonic.  If not, see <http://www.gnu.org/licenses/>.
  
   Copyright 2016 (C) Airsonic Authors
   Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
   */
  package org.airsonic.player.filter;
  
  import javax.servlet.*;
  import javax.servlet.http.HttpServletRequest;
  
  import java.io.IOException;
  
  /**
   * Configurable filter for setting the character encoding to use for the HTTP request.
   * Typically used to set UTF-8 encoding when reading request parameters with non-Latin
   * content.
   *
   * @author Sindre Mehus
   * @version $Revision: 1.1 $ $Date: 2006/03/01 16:58:08 $
   */
  public class RequestEncodingFilter implements Filter {
  
      private String encoding;
  
      public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
              throws IOException, ServletException {
          HttpServletRequest request = (HttpServletRequest) req;
          request.setCharacterEncoding(encoding);
  
          // Pass the request/response on
          chain.doFilter(req, res);
      }
  
      public void init(FilterConfig filterConfig) {
          encoding = filterConfig.getInitParameter("encoding");
      }
  
      public void destroy() {
          encoding = null;
      }
  
  }
  