| /* |
| * 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 config |
| |
| import ( |
| "fmt" |
| "regexp" |
| "strings" |
| ) |
| |
| import ( |
| "github.com/go-playground/validator/v10" |
| |
| "github.com/pkg/errors" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/common/extension" |
| ) |
| |
| var validate *validator.Validate |
| |
| func init() { |
| validate = validator.New() |
| } |
| |
| func mergeValue(str1, str2, def string) string { |
| if str1 == "" && str2 == "" { |
| return def |
| } |
| s1 := strings.Split(str1, ",") |
| s2 := strings.Split(str2, ",") |
| str := "," + strings.Join(append(s1, s2...), ",") |
| defKey := strings.Contains(str, ","+constant.DefaultKey) |
| if !defKey { |
| str = "," + constant.DefaultKey + str |
| } |
| str = strings.TrimPrefix(strings.Replace(str, ","+constant.DefaultKey, ","+def, -1), ",") |
| return removeMinus(strings.Split(str, ",")) |
| } |
| |
| func removeMinus(strArr []string) string { |
| if len(strArr) == 0 { |
| return "" |
| } |
| var normalStr string |
| var minusStrArr []string |
| for _, v := range strArr { |
| if strings.HasPrefix(v, "-") { |
| minusStrArr = append(minusStrArr, v[1:]) |
| } else { |
| normalStr += fmt.Sprintf(",%s", v) |
| } |
| } |
| normalStr = strings.Trim(normalStr, ",") |
| for _, v := range minusStrArr { |
| normalStr = strings.Replace(normalStr, v, "", 1) |
| } |
| reg := regexp.MustCompile("[,]+") |
| normalStr = reg.ReplaceAllString(strings.Trim(normalStr, ","), ",") |
| return normalStr |
| } |
| |
| // removeDuplicateElement remove duplicate element |
| func removeDuplicateElement(items []string) []string { |
| result := make([]string, 0, len(items)) |
| temp := map[string]struct{}{} |
| for _, item := range items { |
| if _, ok := temp[item]; !ok && item != "" { |
| temp[item] = struct{}{} |
| result = append(result, item) |
| } |
| } |
| return result |
| } |
| |
| // translateIds string "nacos,zk" => ["nacos","zk"] |
| func translateIds(registryIds []string) []string { |
| ids := make([]string, 0) |
| for _, id := range registryIds { |
| |
| ids = append(ids, strings.Split(id, ",")...) |
| } |
| return removeDuplicateElement(ids) |
| } |
| |
| func verify(s interface{}) error { |
| if err := validate.Struct(s); err != nil { |
| errs := err.(validator.ValidationErrors) |
| var slice []string |
| for _, msg := range errs { |
| slice = append(slice, msg.Error()) |
| } |
| return errors.New(strings.Join(slice, ",")) |
| } |
| return nil |
| } |
| |
| // clientNameID unique identifier id for client |
| func clientNameID(config extension.Config, protocol, address string) string { |
| return strings.Join([]string{config.Prefix(), protocol, address}, "-") |
| } |
| |
| func isValid(addr string) bool { |
| return addr != "" && addr != constant.NotAvailable |
| } |