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Easy-to-use Google client enables Java-based applications to easily search and filter Google search results.

Access Google Search Results in Mule Applications Using the CData JDBC Driver



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

The CData JDBC Driver for Google Search connects Google Search results to Mule applications enabling read functionality with familiar SQL queries. The JDBC Driver allows users to easily create Mule applications to backup, transform, report, and analyze Google Search results.

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

      To search with a Google custom search engine, you need to set the CustomSearchId and ApiKey connection properties.

      To obtain the CustomSearchId property, sign into Google Custom Search Engine and create a new search engine.

      To obtain the ApiKey property, you must enable the Custom Search API in the Google API Console.

      Built-in Connection String Designer

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

      java -jar cdata.jdbc.googlesearch.jar

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

    • Set the Driver class name to cdata.jdbc.googlesearch.GoogleSearchDriver.
    • Click Test Connection.
  6. Set the SQL Query Text to a SQL query to request Google Search results. For example: SELECT Title, ViewCount FROM VideoSearch WHERE SearchTerms = 'WayneTech'
  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 Google Search results, navigate to the address you configured for the HTTP Connector (localhost:8081 by default): http://localhost:8081. The Google Search results 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 Google Search results (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 Google Search and see the CData difference in your Mule Applications today.