Working example added to documentation

1 files changed, 50 insertions, 0 deletions

diff --git a/doc.go b/doc.go
index b9cf2f7..3a42bcc 100644
--- a/doc.go
+++ b/doc.go
@@ -22,5 +22,55 @@ by type Message, with the only difference, that Code field of
 that Message is the Operation code in request and Status code
 in response. So most of operations are common for request and
 response messages
+
+Example:
+    package main
+
+    import (
+	    "bytes"
+	    "net/http"
+	    "os"
+
+	    "github.com/alexpevzner/goipp"
+    )
+
+    const uri = "http://192.168.1.102:631"
+
+    // Build IPP OpGetPrinterAttributes request
+    func makeRequest() ([]byte, error) {
+	    m := goipp.NewRequest(goipp.DefaultVersion, goipp.OpGetPrinterAttributes, 1)
+	    m.Operation.Add(goipp.MakeAttribute("attributes-charset",
+		    goipp.TagCharset, goipp.String("utf-8")))
+	    m.Operation.Add(goipp.MakeAttribute("attributes-natural-language",
+		    goipp.TagLanguage, goipp.String("en-US")))
+	    m.Operation.Add(goipp.MakeAttribute("printer-uri",
+		    goipp.TagURI, goipp.String(uri)))
+	    m.Operation.Add(goipp.MakeAttribute("requested-attributes",
+		    goipp.TagKeyword, goipp.String("all")))
+
+	    return m.EncodeBytes()
+    }
+
+    // Check that there is no error
+    func check(err error) {
+	    if err != nil {
+		    panic(err)
+	    }
+    }
+
+    func main() {
+	    request, err := makeRequest()
+	    check(err)
+
+	    resp, err := http.Post(uri, goipp.ContentType, bytes.NewBuffer(request))
+	    check(err)
+
+	    var respMsg goipp.Message
+
+	    err = respMsg.Decode(resp.Body)
+	    check(err)
+
+	    respMsg.Print(os.Stdout, false)
+    }
 */
 package goipp