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Connect to Exact Online Data in JRuby
Create a simple JRuby app with access to live Exact Online data.
JRuby is a high-performance, stable, fully threaded Java implementation of the Ruby programming language. The CData JDBC Driver for Exact Online makes it easy to integrate connectivity to live Exact Online data in JRuby. This article shows how to create a simple JRuby app that connects to Exact Online data, executes a query, and displays the results.
Configure a JDBC Connection to Exact Online 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 Exact Online\lib).
JRuby natively supports JDBC, so you can easily connect to Exact Online and execute SQL queries. Initialize the JDBC connection with the getConnection function of the java.sql.DriverManager class.
Exact Online uses the OAuth authentication standard. The InitiateOAuth connection property facilitates the OAuth flow -- by default, this is set to GETANDREFRESH. You can also use the embedded OAuth credentials or you can register an OAuth app with Exact to obtain your own. In addition to the OAuth values, provide the Region. If Division is not set, the default Division is determined.
See the "Getting Started" chapter of the help documentation for more information.
Built-in Connection String Designer
For assistance in constructing the JDBC URL, use the connection string designer built into the Exact Online JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.
java -jar cdata.jdbc.exactonline.jar
Fill in the connection properties and copy the connection string to the clipboard.
Below is a typical JDBC connection string for Exact Online:
jdbc:exactonline:Region='United States';Division=5512;InitiateOAuth=GETANDREFRESH
Create a JRuby App with Connectivity to Exact Online Data
Create a new Ruby file (for example: ExactOnlineSelect.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 Exact Online 2018/lib/cdata.jdbc.exactonline.jar'
url = "jdbc:exactonline:Region='United States';Division=5512;InitiateOAuth=GETANDREFRESH"
conn = java.sql.DriverManager.getConnection(url)
stmt = conn.createStatement
rs = stmt.executeQuery("SELECT Name, CreditLinePurchase FROM Accounts")
while (rs.next) do
puts rs.getString(1) + ' ' + rs.getString(2)
end
With the file completed, you are ready to display your Exact Online data with JRuby. To do so, simply run your file from the command line:
jruby -S ExactOnlineSelect.rb
Writing SQL-92 queries to Exact Online allows you to quickly and easily incorporate Exact Online data into your own JRuby applications. Download a free trial today!
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