| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed 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. |
| |
| // j2y2j converts JSON to YAML and YAML to JSON. |
| package main |
| |
| import ( |
| "fmt" |
| "github.com/googleapis/gnostic/jsonschema" |
| "gopkg.in/yaml.v2" |
| "io/ioutil" |
| "os" |
| "path" |
| ) |
| |
| func usage() { |
| fmt.Printf("Usage: %s [filename] [--json] [--yaml]\n", path.Base(os.Args[0])) |
| fmt.Printf("where [filename] is a path to a JSON or YAML file to convert\n") |
| fmt.Printf("and --json or --yaml indicates conversion to the corresponding format.\n") |
| os.Exit(0) |
| } |
| |
| func main() { |
| if len(os.Args) != 3 { |
| usage() |
| } |
| |
| filename := os.Args[1] |
| file, err := ioutil.ReadFile(filename) |
| if err != nil { |
| panic(err) |
| } |
| var info yaml.MapSlice |
| err = yaml.Unmarshal(file, &info) |
| |
| switch os.Args[2] { |
| case "--json": |
| result := jsonschema.Render(info) |
| fmt.Printf("%s", result) |
| case "--yaml": |
| result, err := yaml.Marshal(info) |
| if err != nil { |
| panic(err) |
| } |
| fmt.Printf("%s", string(result)) |
| default: |
| usage() |
| } |
| } |