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JDBI からYahoo Shopping Data のデータアクセスオブジェクトを作成

JDBI でYahoo Shopping data 用のSQL オブジェクトAPIを作成する方法を概説します。

JDBI は、Fluent スタイルとSQL オブジェクトスタイルという2つの異なるスタイルAPI を公開する、Java 用のSQL コンビニエンスライブラリです。CData JDBC Driver for Yahoo Shopping は、Java アプリケーションとリアルタイムYahoo Shopping data のデータ連携を実現します。これらの技術を組み合わせることによって、Yahoo Shopping data へのシンプルなコードアクセスが可能になります。ここでは、基本的なDAO(Data Access Object )とそれに付随するYahoo Shopping data の読み書きのためのコードの作成について説明します。

Yahoo Shopping Products Entity のDAO を作成

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 MyProductsDAO { //insert new data into Yahoo Shopping @SqlUpdate("INSERT INTO Products (ItemCode, Price) values (:itemCode, :price)") void insert(@Bind("itemCode") String itemCode, @Bind("price") String price); //request specific data from Yahoo Shopping (String type is used for simplicity) @SqlQuery("SELECT Price FROM Products WHERE ItemCode = :itemCode") String findPriceByItemCode(@Bind("itemCode") String itemCode); /* * close with no args is used to close the connection */ void close(); }

Yahoo Shopping への接続を開く

Collect the necessary connection properties and construct the appropriate JDBC URL for connecting to Yahoo Shopping.


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

java -jar cdata.jdbc.yahooshopping.jar

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

A connection string for Yahoo Shopping will typically look like the following:


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:yahooshopping:OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;CallbackURL=MyCallbackURL;SellerID=MySellerID"); MyProductsDAO dao =; //do stuff with the DAO dao.close();

Yahoo Shopping Data について

With the connection open to Yahoo Shopping, simply call the previously defined method to retrieve data from the Products entity in Yahoo Shopping.

//disply the result of our 'find' method String price = dao.findPriceByItemCode("99a87c0x3"); System.out.println(price);

Yahoo Shopping Data の書き方

It is also simple to write data to Yahoo Shopping, using the previously defined method.

//add a new entry to the Products entity dao.insert(newItemCode, newPrice);

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