question: public ServletBinding ( HttpServletRequest request , HttpServletResponse response , ServletContext context ) { super . setVariable ( "request" , request ) ; super . setVariable ( "response" , response ) ; super . setVariable ( "context" , context ) ; super . setVariable ( "application" , context ) ; super . setVariable ( "session" , request . getSession ( false ) ) ; Map params = collectParams ( request ) ; super . setVariable ( "params" , params ) ; Map < String , String > headers = new LinkedHashMap < String , String > ( ) ; for ( Enumeration names = request . getHeaderNames ( ) ; names . hasMoreElements ( ) ; ) { String headerName = ( String ) names . nextElement ( ) ; String headerValue = request . getHeader ( headerName ) ; headers . put ( headerName , headerValue ) ; } super . setVariable ( "headers" , headers ) ; }
target:  Initializes a servlet binding.