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Connect to OFX Data in JRuby

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

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

Configure a JDBC Connection to OFX 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 OFX\lib).

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

The OFXUser and OFXPassword properties, under the Authentication section, must be set to valid OFX user credentials. In addition to this, you will need to configure FIURL, FIOrganizationName, and FIID, which will be specific for the financial institution. You will also need to provide application-specific settings, including OFXVersion, ApplicationVersion, and ApplicationId.

To connect to some services, you will need to provide additional account information such as AccountId, AccountType, BankId, BrokerId, and CCNumber.

Built-in Connection String Designer

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

java -jar cdata.jdbc.ofx.jar

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

Below is a typical JDBC connection string for OFX:

jdbc:ofx:OFXUser=myUser;OFXPassword=myPassword;FIID=myFIID;

Create a JRuby App with Connectivity to OFX Data

Create a new Ruby file (for example: OFXSelect.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 OFX 2018/lib/cdata.jdbc.ofx.jar' url = "jdbc:ofx:OFXUser=myUser;OFXPassword=myPassword;FIID=myFIID;" conn = java.sql.DriverManager.getConnection(url) stmt = conn.createStatement rs = stmt.executeQuery("SELECT Id, Amount FROM InvBalances") while (rs.next) do puts rs.getString(1) + ' ' + rs.getString(2) end

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

jruby -S OFXSelect.rb

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