(省略可能) ステップ 5: OAuth べアラートークンログインを使用してコネクタを使用する

1/*
2 * Copyright (c) 2016, salesforce.com, inc. All rights reserved. Licensed under the BSD 3-Clause license. For full
3 * license text, see LICENSE.TXT file in the repo root or https://opensource.org/licenses/BSD-3-Clause
4 */
5package com.salesforce.emp.connector.example;
6
7import java.net.MalformedURLException;
8import java.net.URL;
9import java.util.Map;
10import java.util.concurrent.TimeUnit;
11import java.util.function.Consumer;
12
13import com.salesforce.emp.connector.BayeuxParameters;
14import com.salesforce.emp.connector.EmpConnector;
15import com.salesforce.emp.connector.TopicSubscription;
16import org.cometd.bayeux.Channel;
17
18/**
19 * An example of using the EMP connector using bearer tokens
20 */
21public class BearerTokenExample {
22    public static void main(String[] argv) throws Exception {
23        if (argv.length < 2 || argv.length > 4) {
24            System.err.println("Usage: BearerTokenExample url token channel [replayFrom]");
25            System.exit(1);
26        }
27        long replayFrom = EmpConnector.REPLAY_FROM_EARLIEST;
28        if (argv.length == 4) {
29            replayFrom = Long.parseLong(argv[3]);
30        }
31
32        BayeuxParameters params = new BayeuxParameters() {
33
34            @Override
35            public String bearerToken() {
36                return argv[1];
37            }
38
39            @Override
40            public URL host() {
41                try {
42                    return new URL(argv[0]);
43                } catch (MalformedURLException e) {
44                    throw new IllegalArgumentException(String.format(
45                        "Unable to create url: %s", argv[0]), e);
46                }
47            }
48        };
49
50        Consumer<Map<String, Object>> consumer = event -> System.out.println(
51            String.format("Received:\n%s", event));
52        EmpConnector connector = new EmpConnector(params);
53
54        connector.addListener(Channel.META_CONNECT, new LoggingListener(true, true))
55        .addListener(Channel.META_DISCONNECT, new LoggingListener(true, true))
56        .addListener(Channel.META_HANDSHAKE, new LoggingListener(true, true));
57
58        connector.start().get(5, TimeUnit.SECONDS);
59
60        TopicSubscription subscription = connector.subscribe(
61            argv[2], replayFrom, consumer).get(5, TimeUnit.SECONDS);
62
63        System.out.println(String.format("Subscribed: %s", subscription));
64    }
65}