set filterconfig , and get instance of com.opensymphony.module.sitemesh.decoratormapper . concode_field_sep Factory factory concode_elem_sep FilterConfig filterConfig concode_field_sep void writeOriginal concode_elem_sep void doFilter concode_elem_sep String extractRequestPath concode_elem_sep FilterConfig getFilterConfig concode_elem_sep void destroy concode_elem_sep Page parsePage concode_elem_sep void setFilterConfig concode_elem_sep void applyDecorator
void function ( FilterConfig arg0 ) { if ( arg0 != null ) { this . filterConfig = arg0 ; factory = Factory . getInstance ( new Config ( arg0 ) ) ; } else { destroy ( ) ; } }