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JDBI からOffice 365 Data のデータアクセスオブジェクトを作成

JDBI でOffice 365 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 Office 365 は、Java アプリケーションとリアルタイムOffice 365 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、Office 365 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Office 365 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。

Office 365 Files 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 MyFilesDAO { //insert new data into Office 365 @SqlUpdate("INSERT INTO Files (UserId, Size) values (:userId, :size)") void insert(@Bind("userId") String userId, @Bind("size") String size); //request specific data from Office 365 (String type is used for simplicity) @SqlQuery("SELECT Size FROM Files WHERE UserId = :userId") String findSizeByUserId(@Bind("userId") String userId); /* * close with no args is used to close the connection */ void close(); }

Office 365 への接続を開く

Collect the necessary connection properties and construct the appropriate JDBC URL for connecting to Office 365.

Office 365 uses the OAuth authentication standard. To authenticate requests, you will need to obtain the OAuthClientId, OAuthClientSecret, and OAuthCallbackURL by registering an app with Office 365. See the "Getting Started" chapter of the help documentation for a guide to using OAuth.

ビルトイン接続文字列デザイナー

For assistance in constructing the JDBC URL, use the connection string designer built into the Office 365 JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.office365.jar

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

A connection string for Office 365 will typically look like the following:

jdbc:office365:OAuthClientId=MyApplicationId;OAuthClientSecret=MyAppKey;OAuthCallbackURL=http://localhost:33333;InitiateOAuth=GETANDREFRESH

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:office365:OAuthClientId=MyApplicationId;OAuthClientSecret=MyAppKey;OAuthCallbackURL=http://localhost:33333;InitiateOAuth=GETANDREFRESH"); MyFilesDAO dao = dbi.open(MyFilesDAO.class); //do stuff with the DAO dao.close();

Office 365 Data について

With the connection open to Office 365, simply call the previously defined method to retrieve data from the Files entity in Office 365.

//disply the result of our 'find' method String size = dao.findSizeByUserId("54f34750-0d34-47c9-9949-9fac4791cddb"); System.out.println(size);

Office 365 Data の書き方

It is also simple to write data to Office 365, using the previously defined method.

//add a new entry to the Files entity dao.insert(newUserId, newSize);

Since the JDBI library is able to work with JDBC connections, you can easily produce a SQL Object API for Office 365 by integrating with the CData JDBC Driver for Office 365.Download a free trial and work with live Office 365 data in custom Java applications today.

 
 
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