Force.com Streaming API Developer Guide

Getting Started with Force.com Streaming API
Code Examples
Example: Subscribe to and Replay Events Using a Visualforce Page
Example: Interactive Visualforce Page without Replay
Example: Subscribe to and Replay Events Using a Java Client
Prerequisites
Step 1: Create an Object
Step 2: Create a PushTopic
Step 3: Download and Build the Project
Step 4: Use the Connector with Username and Password Login
Step 5: Use the Connector with OAuth Bearer Token Login
Learn More About EMP Connector
Example: Authentication
Using Streaming API
Generic Streaming
Reference
PDF

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Step 5: Use the Connector with OAuth Bearer Token Login

This step uses the connector with OAuth authentication as an alternative to username and password authentication. This step is optional and requires an OAuth token.

Prerequisites

Obtain an OAuth bearer access token for your Salesforce user. You supply this access token in the connector example.

See Set Up Authentication with OAuth 2.0. Also, see Authenticate Apps with OAuth in Salesforce Help and Understanding Authentication in the Force.com REST API Developer Guide.

Let’s run an example that uses OAuth bearer token login.
  1. Under the /src/main/java/ folder, open the BearerTokenExample.java Java source file from the example package folder.
  2. Run the BearerTokenExample class, and provide the following argument values.
    Argument Value
    url The URL of the Salesforce instance of the logged-in user.
    token The access token returned by the OAuth authentication flow.
    topic /topic/InvoiceStatementUpdates
    The sample fetches the earliest saved events within the past 24 hours. Optionally, you can supply a replay ID as the last argument to receive different events. Valid values are:
    • -1—Get all new events sent after subscription.
    • -2—Get all new events sent after subscription and all past events within the last 24 hours.
    • Specific number—Get all events that occurred after the event with the specified replay ID.
  3. In a browser window, create or modify an invoice statement. After you create or change data that corresponds to the query in your PushTopic, the output looks similar to the following.