| /* |
| * 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 whisk |
| |
| import ( |
| "bytes" |
| "encoding/json" |
| "fmt" |
| "os" |
| ) |
| |
| func hello(event json.RawMessage) (json.RawMessage, error) { |
| var obj map[string]interface{} |
| json.Unmarshal(event, &obj) |
| name, ok := obj["name"].(string) |
| if !ok { |
| name = "Stranger" |
| } |
| fmt.Printf("name=%s\n", name) |
| msg := map[string]string{"message": ("Hello, " + name + "!")} |
| return json.Marshal(msg) |
| } |
| |
| func Example_repl() { |
| in := bytes.NewBufferString("{\"name\":\"Mike\"}\nerr\n") |
| repl(hello, in, os.Stdout) |
| // Output: |
| // name=Mike |
| // {"message":"Hello, Mike!"} |
| // name=Stranger |
| // {"message":"Hello, Stranger!"} |
| } |
| |
| func ExampleStart() { |
| StartWithArgs(hello, []string{"{\"name\":\"Mike\"}", "err"}) |
| // Output: |
| // name=Mike |
| // {"message":"Hello, Mike!"} |
| // name=Stranger |
| // {"message":"Hello, Stranger!"} |
| } |