// Copyright 2016 Iron.io // // 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. package main import ( "encoding/json" "fmt" "os" ) type Input struct { Name string `json:"name"` } func main() { input := &Input{} if err := json.NewDecoder(os.Stdin).Decode(input); err != nil { // log.Println("Bad payload or no payload. Ignoring.", err) } if input.Name == "" { input.Name = "World" } fmt.Printf("Hello %v!\n", input.Name) }