added vendors

vendor/github.com/googleapis/gnostic/tools/j2y2j/main.go

@@ -0,0 +1,60 @@
+// 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()
+	}
+}