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Connect to Cvent Data in JRuby
Create a simple JRuby app with access to live Cvent data.
JRuby is a high-performance, stable, fully threaded Java implementation of the Ruby programming language. The CData JDBC Driver for Cvent makes it easy to integrate connectivity to live Cvent data in JRuby. This article shows how to create a simple JRuby app that connects to Cvent data, executes a query, and displays the results.
Configure a JDBC Connection to Cvent 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 Cvent\lib).
JRuby natively supports JDBC, so you can easily connect to Cvent and execute SQL queries. Initialize the JDBC connection with the getConnection function of the java.sql.DriverManager class.
Before you can authenticate to Cvent, you must create a workspace and an OAuth application.
Creating a Workspace
To create a workspace:
- Sign into Cvent and navigate to App Switcher (the blue button in the upper right corner of the page) >> Admin.
- In the Admin menu, navigate to Integrations >> REST API.
- A new tab launches for Developer Management. Click on Manage API Access in the new tab.
- Create a Workspace and name it. Select the scopes you would like your developers to have access to. Scopes control what data domains the developer can access.
- Choose All to allow developers to choose any scope, and any future scopes added to the REST API.
- Choose Custom to limit the scopes developers can choose for their OAuth apps to selected scopes. To access all tables exposed by the driver, you need to set the following scopes:
event/attendees:read event/attendees:write event/contacts:read event/contacts:write event/custom-fields:read event/custom-fields:write event/events:read event/events:write event/sessions:delete event/sessions:read event/sessions:write event/speakers:delete event/speakers:read event/speakers:write budget/budget-items:read budget/budget-items:write exhibitor/exhibitors:read exhibitor/exhibitors:write survey/surveys:read survey/surveys:write
Creating an OAuth Application
After you have set up a Workspace and invited them, developers can sign up and create a custom OAuth app. See the Creating a Custom OAuth Application section in the Help documentation for more information.
Connecting to Cvent
After creating an OAuth application, set the following connection properties to connect to Cvent:
- InitiateOAuth: GETANDREFRESH. Used to automatically get and refresh the OAuthAccessToken.
- OAuthClientId: The Client ID associated with the OAuth application. You can find this on the Applications page in the Cvent Developer Portal.
- OAuthClientSecret: The Client secret associated with the OAuth application. You can find this on the Applications page in the Cvent Developer Portal.
Built-in Connection String Designer
For assistance in constructing the JDBC URL, use the connection string designer built into the Cvent JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.
java -jar cdata.jdbc.cvent.jar
Fill in the connection properties and copy the connection string to the clipboard.
Below is a typical JDBC connection string for Cvent:
jdbc:cvent:OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;InitiateOAuth=GETANDREFRESH
Create a JRuby App with Connectivity to Cvent Data
Create a new Ruby file (for example: CventSelect.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 Cvent 2018/lib/cdata.jdbc.cvent.jar'
url = "jdbc:cvent:OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;InitiateOAuth=GETANDREFRESH"
conn = java.sql.DriverManager.getConnection(url)
stmt = conn.createStatement
rs = stmt.executeQuery("SELECT Id, Title FROM Events")
while (rs.next) do
puts rs.getString(1) + ' ' + rs.getString(2)
end
With the file completed, you are ready to display your Cvent data with JRuby. To do so, simply run your file from the command line:
jruby -S CventSelect.rb
Writing SQL-92 queries to Cvent allows you to quickly and easily incorporate Cvent data into your own JRuby applications. Download a free trial today!
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Cvent JDBC Driver
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