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package main
import (
"log"
"net/http"
restful "github.com/emicklei/go-restful/v3"
)
// This example shows how to use methods as RouteFunctions for WebServices.
// The ProductResource has a Register() method that creates and initializes
// a WebService to expose its methods as REST operations.
// The WebService is added to the restful.DefaultContainer.
// A ProductResource is typically created using some data access object.
//
// GET http://localhost:8080/products/1
// POST http://localhost:8080/products
// <Product><Id>1</Id><Title>The First</Title></Product>
type Product struct {
Id, Title string
}
type ProductResource struct {
// typically reference a DAO (data-access-object)
}
func (p ProductResource) getOne(req *restful.Request, resp *restful.Response) {
id := req.PathParameter("id")
log.Println("getting product with id:" + id)
resp.WriteEntity(Product{Id: id, Title: "test"})
}
func (p ProductResource) postOne(req *restful.Request, resp *restful.Response) {
updatedProduct := new(Product)
err := req.ReadEntity(updatedProduct)
if err != nil { // bad request
resp.WriteErrorString(http.StatusBadRequest, err.Error())
return
}
log.Println("updating product with id:" + updatedProduct.Id)
}
func (p ProductResource) Register() {
ws := new(restful.WebService)
ws.Path("/products")
ws.Consumes(restful.MIME_XML)
ws.Produces(restful.MIME_XML)
ws.Route(ws.GET("/{id}").To(p.getOne).
Doc("get the product by its id").
Param(ws.PathParameter("id", "identifier of the product").DataType("string")))
ws.Route(ws.POST("").To(p.postOne).
Doc("update or create a product").
Param(ws.BodyParameter("Product", "a Product (XML)").DataType("main.Product")))
restful.Add(ws)
}
func main() {
ProductResource{}.Register()
log.Fatal(http.ListenAndServe(":8080", nil))
}
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