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Create a Data Access Object for Bing Search Results using JDBI


A brief overview of creating a SQL Object API for Bing Search results in JDBI.

JDBI is a SQL convenience library for Java that exposes two different style APIs, a fluent style and a SQL object style. The CData JDBC Driver for Bing Search integrates connectivity to live Bing Search results in Java applications. By pairing these technologies, you gain simple, programmatic access to Bing Search results. This article walks through building a basic Data Access Object (DAO) and the accompanying code to read Bing Search results.

Create a DAO for the Bing Search VideoSearch Entity

The interface below declares the desired behavior for the SQL object to create a single method for each SQL statement to be implemented.

public interface MyVideoSearchDAO { //request specific data from Bing Search (String type is used for simplicity) @SqlQuery("SELECT ViewCount FROM VideoSearch WHERE SearchTerms = :searchTerms") String findViewCountBySearchTerms(@Bind("searchTerms") String searchTerms); /* * close with no args is used to close the connection */ void close(); }

Open a Connection to Bing Search

Collect the necessary connection properties and construct the appropriate JDBC URL for connecting to Bing Search.

To connect to Bing, set the ApiKey connection property. To obtain the API key, sign into Microsoft Cognitive Services and register for the Bing Search APIs.

Two API keys are then generated; select either one.

When querying tables, the SearchTerms parameter must be supplied in the WHERE clause.

Built-in Connection String Designer

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

java -jar cdata.jdbc.bing.jar

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

A connection string for Bing Search will typically look like the following:

jdbc:bing:APIKey=MyAPIKey;

Use the configured JDBC URL to obtain an instance of the DAO interface. The particular method shown below will open a handle bound to the instance, so the instance needs to be closed explicitly to release the handle and the bound JDBC connection.

DBI dbi = new DBI("jdbc:bing:APIKey=MyAPIKey;"); MyVideoSearchDAO dao = dbi.open(MyVideoSearchDAO.class); //do stuff with the DAO dao.close();

Read Bing Search Results

With the connection open to Bing Search, simply call the previously defined method to retrieve data from the VideoSearch entity in Bing Search.

//disply the result of our 'find' method String viewCount = dao.findViewCountBySearchTerms("WayneTech"); System.out.println(viewCount);

Since the JDBI library is able to work with JDBC connections, you can easily produce a SQL Object API for Bing Search by integrating with the CData JDBC Driver for Bing Search. Download a free trial and work with live Bing Search results in custom Java applications today.