Inheritance diagram for org.turro.elephant.servlet.context.ElephantFilter:

Collaboration diagram for org.turro.elephant.servlet.context.ElephantFilter:

Public Member Functions
void	doFilter (ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException

void	init (FilterConfig filterConfig) throws ServletException

void	destroy ()

Detailed Description

Author: Lluis Turró Cutiller lluis.nosp@m.@tur.nosp@m.ro.or.nosp@m.g

Definition at line 49 of file ElephantFilter.java.

Member Function Documentation

◆ destroy()

void org.turro.elephant.servlet.context.ElephantFilter.destroy ( )

Definition at line 98 of file ElephantFilter.java.

98 {

99 }

◆ doFilter()

void org.turro.elephant.servlet.context.ElephantFilter.doFilter	(	ServletRequest	request,
		ServletResponse	response,
		FilterChain	chain
	)		throws IOException, ServletException

Definition at line 55 of file ElephantFilter.java.

                                                {
     if(request instanceof HttpServletRequest httpRequest) {
       // Performance blocks
       if(ipActivity.isBlocked(request.getRemoteAddr(), httpRequest.getServletPath(), httpRequest.getHeader("User-Agent"))) {
         if(response instanceof HttpServletResponse httpResponse) {
           Document crawlers = Document.from(ElephantContext.getRealPath(CrawlerOptions.CRAWLERS_RESPONSE));
           httpResponse.setContentType("text/html");
           httpResponse.setCharacterEncoding(ElephantContext.getEncoding());
           httpResponse.setStatus(HttpServletResponse.SC_FORBIDDEN);
           httpResponse.getWriter().write(crawlers.content());
         }
         return; // blocked
       // Performance internal calls
       } else if(!pass(httpRequest.getServletPath())) {
         if(resource(httpRequest.getServletPath())) {
           RequestDispatcher rd = getServletContext().getNamedDispatcher("default");
           if(rd!= null) rd.forward(request, response);
           return; // resource
         }
         if(!checkSchemas(httpRequest, (HttpServletResponse) response)) {    
           return; // redirected
         }
         ElephantContext.initServerSchemas(httpRequest);
         if(!DirectContents.isDirectContent(httpRequest) && checkMobile(httpRequest)) {
           forwardMobile(httpRequest, response);
           return; // mobile context
         }
         ipActivity.check(request.getRemoteAddr(), httpRequest.getServletPath(), httpRequest.getHeader("User-Agent"));
       }
     }    
  
     chain.doFilter(request, response);
   }

Here is the call graph for this function:

◆ init()

void org.turro.elephant.servlet.context.ElephantFilter.init ( FilterConfig filterConfig ) throws ServletException

Definition at line 92 of file ElephantFilter.java.

                                                                       { 
     this.filterConfig = filterConfig;
     this.ipActivity = IPActivity.instance(Cached.<IActivityOptions>instance(() -> CrawlerOptions.instance()));
   }