| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package main |
| |
| import ( |
| "encoding/json" |
| "io/ioutil" |
| "log" |
| "math/rand" |
| "net/http" |
| "strings" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/common/constant" |
| ) |
| |
| func main() { |
| http.HandleFunc("/user/", user) |
| log.Println("Starting sample server ...") |
| log.Fatal(http.ListenAndServe(":1314", nil)) |
| } |
| |
| func user(w http.ResponseWriter, r *http.Request) { |
| switch r.Method { |
| case "POST": |
| byts, err := ioutil.ReadAll(r.Body) |
| if err != nil { |
| w.Write([]byte(err.Error())) |
| } |
| var user User |
| err = json.Unmarshal(byts, &user) |
| if err != nil { |
| w.Write([]byte(err.Error())) |
| } |
| _, ok := cache.Get(user.Name) |
| if ok { |
| w.Header().Set(constant.HeaderKeyContextType, constant.HeaderValueJsonUtf8) |
| w.Write([]byte("{\"message\":\"data is exist\"}")) |
| return |
| } |
| user.ID = randSeq(5) |
| if cache.Add(&user) { |
| b, _ := json.Marshal(&user) |
| w.Header().Set(constant.HeaderKeyContextType, constant.HeaderValueJsonUtf8) |
| w.Write(b) |
| return |
| } |
| w.Write(nil) |
| case "GET": |
| subPath := strings.TrimPrefix(r.URL.Path, "/user/") |
| userName := strings.Split(subPath, "/")[0] |
| var u *User |
| var b bool |
| if len(userName) != 0 { |
| log.Printf("paths: %v", userName) |
| u, b = cache.Get(userName) |
| } else { |
| q := r.URL.Query() |
| u, b = cache.Get(q.Get("name")) |
| } |
| // w.WriteHeader(200) |
| if b { |
| b, _ := json.Marshal(u) |
| w.Header().Set(constant.HeaderKeyContextType, constant.HeaderValueJsonUtf8) |
| w.Write(b) |
| return |
| } |
| w.WriteHeader(http.StatusNotFound) |
| w.Write(nil) |
| } |
| } |
| |
| var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") |
| |
| func randSeq(n int) string { |
| b := make([]rune, n) |
| for i := range b { |
| b[i] = letters[rand.Intn(len(letters))] |
| } |
| return string(b) |
| } |