| /* |
| * 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. |
| */ |
| |
| /* |
| * |
| * Copyright 2019 gRPC authors. |
| * |
| */ |
| |
| package bootstrap |
| |
| import ( |
| "net/url" |
| "strings" |
| ) |
| |
| // PopulateResourceTemplate populates the given template using the target |
| // string. "%s", if exists in the template, will be replaced with target. |
| // |
| // If the template starts with "xdstp:", the replaced string will be %-encoded. |
| // But note that "/" is not percent encoded. |
| func PopulateResourceTemplate(template, target string) string { |
| if !strings.Contains(template, "%s") { |
| return template |
| } |
| if strings.HasPrefix(template, "xdstp:") { |
| target = percentEncode(target) |
| } |
| return strings.Replace(template, "%s", target, -1) |
| } |
| |
| // percentEncode percent encode t, except for "/". See the tests for examples. |
| func percentEncode(t string) string { |
| segs := strings.Split(t, "/") |
| for i := range segs { |
| segs[i] = url.PathEscape(segs[i]) |
| } |
| return strings.Join(segs, "/") |
| } |