package com.atlassian.plugin.refimpl.filter;
   
   import com.atlassian.plugin.refimpl.CurrentHttpRequest;
   
   import javax.servlet.Filter;
   import javax.servlet.FilterChain;
   import javax.servlet.FilterConfig;
   import javax.servlet.ServletException;
   import javax.servlet.ServletRequest;
  import javax.servlet.ServletResponse;
  import javax.servlet.http.HttpServletRequest;
  import java.io.IOException;
  
  /**
   * Filter that takes the raw http request and stores it in {@link CurrentHttpRequest} so that it is accessible to other
   * classes. This is the first filter that runs in the filter chain.
   */
  
  public class RefAppFirstFilter implements Filter {
      @Override
      public void init(FilterConfig filterConfig) throws ServletException {
      }
  
      /**
       * Captures the current {@link ServletRequest} using the {@link CurrentHttpRequest} class
       */
      @Override
      public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
              throws IOException, ServletException {
          CurrentHttpRequest.setRequest((HttpServletRequest) servletRequest);
          filterChain.doFilter(servletRequest, servletResponse);
      }
  
      @Override
      public void destroy() {
      }
  }