Access GitHub Data in Mule Applications Using the CData JDBC Driver

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GitHub JDBC Driver

Rapidly create and deploy powerful Java applications that integrate with GitHub.



Create a simple Mule Application that uses HTTP and SQL with the CData JDBC Driver for GitHub to create a JSON endpoint for GitHub data.

The CData JDBC Driver for GitHub connects GitHub data to Mule applications enabling read , write, update, and delete functionality with familiar SQL queries. The JDBC Driver allows users to easily create Mule applications to backup, transform, report, and analyze GitHub data.

This article demonstrates how to use the CData JDBC Driver for GitHub inside of a Mule project to create a Web interface for GitHub data. The application created allows you to request GitHub data using an HTTP request and have the results returned as JSON. The exact same procedure outlined below can be used with any CData JDBC Driver to create a Web interface for the 200+ available data sources.

  1. Create a new Mule Project in Anypoint Studio.
  2. Add an HTTP Connector to the Message Flow.
  3. Configure the address for the HTTP Connector.
  4. Add a Database Select Connector to the same flow, after the HTTP Connector.
  5. Create a new Connection (or edit an existing one) and configure the properties.
    • Set Connection to "Generic Connection"
    • Select the CData JDBC Driver JAR file in the Required Libraries section (e.g. cdata.jdbc.github.jar).
    • Set the URL to the connection string for GitHub

      GitHub uses the OAuth 2 authentication standard. To authenticate using OAuth, you will need to create an app to obtain the OAuthClientId, OAuthClientSecret, and CallbackURL connection properties. See the Getting Started chapter of the CData help documentation for an authentication guide.

      Built-in Connection String Designer

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

      java -jar cdata.jdbc.github.jar

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

    • Set the Driver class name to cdata.jdbc.github.GitHubDriver.
    • Click Test Connection.
  6. Set the SQL Query Text to a SQL query to request GitHub data. For example: SELECT Name, Email FROM Users
  7. Add a Transform Message Component to the flow.
  8. Set the Output script to the following to convert the payload to JSON:
    %dw 2.0
    output application/json
    ---
    payload
            
  9. To view your GitHub data, navigate to the address you configured for the HTTP Connector (localhost:8081 by default): http://localhost:8081. The GitHub data is available as JSON in your Web browser and any other tools capable of consuming JSON endpoints.

At this point, you have a simple Web interface for working with GitHub data (as JSON data) in custom apps and a wide variety of BI, reporting, and ETL tools. Download a free, 30 day trial of the JDBC Driver for GitHub and see the CData difference in your Mule Applications today.