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Connect to YouTube Data in JRuby

Create a simple JRuby app with access to live YouTube data.

JRuby is a high-performance, stable, fully threaded Java implementation of the Ruby programming language. The CData JDBC Driver for YouTube makes it easy to integrate connectivity to live YouTube data in JRuby. This article shows how to create a simple JRuby app that connects to YouTube data, executes a query, and displays the results.

Configure a JDBC Connection to YouTube Data

Before creating the app, note the installation location for the JAR file for the JDBC Driver (typically C:\Program Files\CData\CData JDBC Driver for YouTube\lib).

JRuby natively supports JDBC, so you can easily connect to YouTube and execute SQL queries. Initialize the JDBC connection with the getConnection function of the java.sql.DriverManager class.

YouTube uses the OAuth authentication standard. To access Google APIs on behalf on individual users, you can use the embedded CData credentials or you can register your own OAuth app.

OAuth also enables you to use a service account to connect on behalf of users in a Google Apps domain. To authenticate with a service account, you will need to register an application to obtain the OAuth JWT values.

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the YouTube JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.youtube.jar

Fill in the connection properties and copy the connection string to the clipboard.

Below is a typical JDBC connection string for YouTube:

jdbc:youtube:InitiateOAuth=GETANDREFRESH

Create a JRuby App with Connectivity to YouTube Data

Create a new Ruby file (for example: YouTubeSelect.rb) and open it in a text editor. Copy the following code into your file:

require 'java' require 'rubygems' require 'C:/Program Files/CData/CData JDBC Driver for YouTube 2018/lib/cdata.jdbc.youtube.jar' url = "jdbc:youtube:InitiateOAuth=GETANDREFRESH" conn = java.sql.DriverManager.getConnection(url) stmt = conn.createStatement rs = stmt.executeQuery("SELECT Title, ViewCount FROM Videos") while (rs.next) do puts rs.getString(1) + ' ' + rs.getString(2) end

With the file completed, you are ready to display your YouTube data with JRuby. To do so, simply run your file from the command line:

jruby -S YouTubeSelect.rb

Writing SQL-92 queries to YouTube allows you to quickly and easily incorporate YouTube data into your own JRuby applications. Download a free trial today!