code improvement, cleanup, godoc

ahttp.go

@@ -9,7 +9,7 @@ package ahttp
 import "net/http"
 
 // Version no. of aah framework ahttp library
-const Version = "0.6"
+const Version = "0.7"
 
 // HTTP Method names
 const (

content_type.go

@@ -28,6 +28,15 @@ var (
 		},
 	}
 
+	// ContentTypeJSONText JSON text content type.
+	ContentTypeJSONText = &ContentType{
+		Mime: "text/json",
+		Exts: []string{".json"},
+		Params: map[string]string{
+			"charset": "utf-8",
+		},
+	}
+
 	// ContentTypeXML XML content type.
 	ContentTypeXML = &ContentType{
 		Mime: "application/xml",
@@ -37,6 +46,15 @@ var (
 		},
 	}
 
+	// ContentTypeXMLText XML text content type.
+	ContentTypeXMLText = &ContentType{
+		Mime: "text/xml",
+		Exts: []string{".xml"},
+		Params: map[string]string{
+			"charset": "utf-8",
+		},
+	}
+
 	// ContentTypeMultipartForm form data and File.
 	ContentTypeMultipartForm = &ContentType{
 		Mime: "multipart/form-data",

header.go

@@ -122,6 +122,7 @@ func NegotiateContentType(req *http.Request) *ContentType {
 	// 2) From Accept header
 	spec := ParseAccept(req, HeaderAccept).MostQualified()
 	if spec == nil {
+		// if parsed spec is nil return content type as HTML.
 		return ContentTypeHTML
 	}
 

request.go

@@ -100,7 +100,7 @@ type (
 // instance from Go HTTP request.
 func ParseRequest(r *http.Request, req *Request) *Request {
 	req.Schema = identifyScheme(r)
-	req.Host = r.Host
+	req.Host = host(r)
 	req.Method = r.Method
 	req.Path = r.URL.Path
 	req.Header = r.Header
@@ -303,6 +303,13 @@ func clientIP(req *http.Request) string {
 	return ""
 }
 
+func host(r *http.Request) string {
+	if ess.IsStrEmpty(r.URL.Host) {
+		return r.Host
+	}
+	return r.URL.Host
+}
+
 func getReferer(hdr http.Header) string {
 	referer := hdr.Get(HeaderReferer)
 

request_test.go

@@ -55,7 +55,7 @@ func TestHTTPParseRequest(t *testing.T) {
 	req.Header.Add(HeaderAccept, "application/json;charset=utf-8")
 	req.Header.Add(HeaderReferer, "http://localhost:8080/home.html")
 	req.Header.Add(HeaderAcceptLanguage, "en-gb;leve=1;q=0.8, da, en;level=2;q=0.7, en-us;q=gg")
-	req.URL, _ = url.Parse("http://localhost:8080/welcome1.html?_ref=true")
+	req.URL, _ = url.Parse("/welcome1.html?_ref=true")
 
 	aahReq := ParseRequest(req, &Request{})