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Rapidly create and deploy powerful Java applications that integrate with IBM Informix.

Access IBM Informix Data in Mule Applications Using the CData JDBC Driver



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

The CData JDBC Driver for IBM Informix connects IBM Informix 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 IBM Informix data.

This article demonstrates how to use the CData JDBC Driver for IBM Informix inside of a Mule project to create a Web interface for IBM Informix data. The application created allows you to request IBM Informix 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.informix.jar).
    • Set the URL to the connection string for IBM Informix

      Set the following properties to connect to IBM Informix

      • Server: Set this to the name of the server running IBM Informix.
      • Port: Set this to the port the IBM Informix server is listening on.
      • Database: Set this to the name of the IBM Informix database.
      • User: Set this to the username of a user allowed to access the database.
      • Password: Set this to the password of a user allowed to access the database.

      Built-in Connection String Designer

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

      java -jar cdata.jdbc.informix.jar

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

    • Set the Driver class name to cdata.jdbc.informix.InformixDriver.
    • Click Test Connection.
  6. Set the SQL Query Text to a SQL query to request IBM Informix data. For example: SELECT Id, Price FROM Books WHERE Category = 'US'
  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 IBM Informix data, navigate to the address you configured for the HTTP Connector (localhost:8081 by default): http://localhost:8081. The IBM Informix 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 IBM Informix 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 IBM Informix and see the CData difference in your Mule Applications today.