| // Copyright 2014 Google Inc. All Rights Reserved. |
| // |
| // 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 pubsub_test |
| |
| import ( |
| "io/ioutil" |
| "log" |
| |
| "golang.org/x/net/context" |
| "golang.org/x/oauth2" |
| "golang.org/x/oauth2/google" |
| "google.golang.org/cloud" |
| "google.golang.org/cloud/pubsub" |
| ) |
| |
| func Example_auth() context.Context { |
| // Initialize an authorized context with Google Developers Console |
| // JSON key. Read the google package examples to learn more about |
| // different authorization flows you can use. |
| // http://godoc.org/golang.org/x/oauth2/google |
| jsonKey, err := ioutil.ReadFile("/path/to/json/keyfile.json") |
| if err != nil { |
| log.Fatal(err) |
| } |
| conf, err := google.JWTConfigFromJSON( |
| jsonKey, |
| pubsub.ScopeCloudPlatform, |
| pubsub.ScopePubSub, |
| ) |
| if err != nil { |
| log.Fatal(err) |
| } |
| ctx := cloud.NewContext("project-id", conf.Client(oauth2.NoContext)) |
| // See the other samples to learn how to use the context. |
| return ctx |
| } |
| |
| func ExamplePublish() { |
| ctx := Example_auth() |
| |
| msgIDs, err := pubsub.Publish(ctx, "topic1", &pubsub.Message{ |
| Data: []byte("hello world"), |
| }) |
| if err != nil { |
| log.Fatal(err) |
| } |
| log.Printf("Published a message with a message id: %s\n", msgIDs[0]) |
| } |
| |
| func ExamplePull() { |
| ctx := Example_auth() |
| |
| // E.g. c.CreateSub("sub1", "topic1", time.Duration(0), "") |
| msgs, err := pubsub.Pull(ctx, "sub1", 1) |
| if err != nil { |
| log.Fatal(err) |
| } |
| log.Printf("New message arrived: %v\n", msgs[0]) |
| if err := pubsub.Ack(ctx, "sub1", msgs[0].AckID); err != nil { |
| log.Fatal(err) |
| } |
| log.Println("Acknowledged message") |
| } |