| /* |
| * 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 schema |
| |
| import ( |
| "os" |
| "path/filepath" |
| |
| pb "github.com/go-chassis/cari/discovery" |
| ) |
| |
| type Config struct { |
| SaveDir string |
| } |
| |
| type Writer interface { |
| Write([]*pb.Schema) error |
| } |
| |
| func NewSchemaWriter(cfg Config) Writer { |
| switch { |
| case len(cfg.SaveDir) == 0: |
| return &StdoutWriter{} |
| default: |
| return &FileWriter{cfg.SaveDir} |
| } |
| } |
| |
| type StdoutWriter struct { |
| } |
| |
| func (w *StdoutWriter) Write(schemas []*pb.Schema) error { |
| for _, schema := range schemas { |
| _, err := os.Stdout.WriteString(schema.Schema) |
| if err != nil { |
| return err |
| } |
| } |
| return nil |
| } |
| |
| type FileWriter struct { |
| Dir string |
| } |
| |
| func (w *FileWriter) Write(schemas []*pb.Schema) error { |
| err := os.MkdirAll(w.Dir, 0750) |
| if err != nil { |
| return err |
| } |
| for _, schemas := range schemas { |
| file, err := os.OpenFile(filepath.Join(w.Dir, schemas.SchemaId+".yaml"), |
| os.O_TRUNC|os.O_CREATE|os.O_WRONLY, 0640) |
| if err != nil { |
| return err |
| } |
| _, err = file.WriteString(schemas.Schema) |
| if err != nil { |
| file.Close() |
| return err |
| } |
| file.Close() |
| } |
| return nil |
| } |