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package main
import (
"github.com/emicklei/go-restful"
"log"
"net/http"
)
type User struct {
Id, Name string
}
type UserList struct {
Users []User
}
//
// This example shows how to use the CompressingResponseWriter by a Filter
// such that encoding can be enabled per WebService or per Route (instead of per container)
// Using restful.DefaultContainer.EnableContentEncoding(true) will encode all responses served by WebServices in the DefaultContainer.
//
// Set Accept-Encoding to gzip or deflate
// GET http://localhost:8080/users/42
// and look at the response headers
func main() {
restful.Add(NewUserService())
log.Printf("start listening on localhost:8080")
log.Fatal(http.ListenAndServe(":8080", nil))
}
func NewUserService() *restful.WebService {
ws := new(restful.WebService)
ws.
Path("/users").
Consumes(restful.MIME_XML, restful.MIME_JSON).
Produces(restful.MIME_JSON, restful.MIME_XML)
// install a response encoding filter
ws.Route(ws.GET("/{user-id}").Filter(encodingFilter).To(findUser))
return ws
}
// Route Filter (defines FilterFunction)
func encodingFilter(req *restful.Request, resp *restful.Response, chain *restful.FilterChain) {
log.Printf("[encoding-filter] %s,%s\n", req.Request.Method, req.Request.URL)
// wrap responseWriter into a compressing one
compress, _ := restful.NewCompressingResponseWriter(resp.ResponseWriter, restful.ENCODING_GZIP)
resp.ResponseWriter = compress
defer func() {
compress.Close()
}()
chain.ProcessFilter(req, resp)
}
// GET http://localhost:8080/users/42
//
func findUser(request *restful.Request, response *restful.Response) {
log.Printf("findUser")
response.WriteEntity(User{"42", "Gandalf"})
}
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