Example 6.11 Base Filter Strategy
public class BaseEncodeFilter implements javax.servlet.Filter {
  private javax.servlet.FilterConfig filterConfig;

  public BaseEncodeFilter() { }

  public void init(javax.servlet.FilterConfig filterConfig) {
      this.filterConfig = filterConfig;
  }
    
  public void doFilter(javax.servlet.ServletRequest servletRequest,
      javax.servlet.ServletResponse servletResponse,
      javax.servlet.FilterChain filterChain) 
      throws java.io.IOException,
      javax.servlet.ServletException {

    filterChain.doFilter(servletRequest, servletResponse);
  }
    
  protected javax.servlet.FilterConfig getFilterConfig() {
    return filterConfig;
  }
}