github.com/ghodss/etcd@v0.3.1-0.20140417172404-cc329bfa55cb/http/query_params.go (about)

     1  package http
     2  
     3  import (
     4  	"net/http"
     5  	"strings"
     6  )
     7  
     8  func NewLowerQueryParamsHandler(hdlr http.Handler) *LowerQueryParamsHandler {
     9  	return &LowerQueryParamsHandler{hdlr}
    10  }
    11  
    12  type LowerQueryParamsHandler struct {
    13  	Handler http.Handler
    14  }
    15  
    16  func (h *LowerQueryParamsHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
    17  	err := req.ParseForm()
    18  	if err == nil {
    19  		lowerBoolQueryParams(req)
    20  	}
    21  	h.Handler.ServeHTTP(w, req)
    22  }
    23  
    24  func lowerBoolQueryParams(req *http.Request) {
    25  	form := req.Form
    26  	for key, vals := range form {
    27  		for i, val := range vals {
    28  			lowered := strings.ToLower(val)
    29  			if lowered == "true" || lowered == "false" {
    30  				req.Form[key][i] = lowered
    31  			} else {
    32  				req.Form[key][i] = val
    33  			}
    34  		}
    35  	}
    36  }