Inititial commit

core/communications.go

@@ -0,0 +1,32 @@
+package core
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+// SendObject sends a object through the writer
+func SendObject(writer *http.ResponseWriter, data interface{}) {
+	js := ToJSON(data)
+	if js == "" {
+		SendJSON(writer, "{\"server_message\":\"internal_sending_error\"")
+		return
+	}
+	SendJSON(writer, js)
+}
+
+// SendJSON sends JSON string through the writer
+func SendJSON(writer *http.ResponseWriter, data string) {
+	(*writer).Header().Set("Content-Type", "application/json")
+	fmt.Fprintf((*writer), data)
+}
+
+// ToJSON converts an object to a JSON string
+func ToJSON(in interface{}) string {
+	data, err := json.Marshal(in)
+	if err != nil {
+		return ""
+	}
+	return string(data)
+}