Connect to Outlook from a Connection Pool in WebLogic

The CData JDBC Driver for Outlook enables you to follow standard procedures to integrate Outlook data into Java Web applications. This article shows how to deploy the CData JDBC Driver for Outlook in WebLogic Server.

Deploy the JDBC Driver in WebLogic Server

To deploy the driver, add the driver JAR to your classpath. The .lic file must be located in the same folder as the JAR. These files are located in the lib subfolder of the installation directory.

If you want to add the driver to all domains, prepend the path to the JAR to the WEBLOGIC_CLASSPATH environment variable in WL_HOME\common\bin\commEnv.cmd/sh. This script is located in WL_HOME\common\bin\. For example:

set WEBLOGIC_CLASSPATH=your-installation-directory\lib\cdata.jdbc.api.jar;%WEBLOGIC_CLASSPATH%

In WebLogic 12.2.1 if you want to add the driver to a specific domain, you can simply place the driver JAR and .lic file into DOMAIN_HOME\lib; for example, ORACLE_HOME\user_projects\domains\MY_DOMAIN\lib. These files will be added to the server classpath at startup.

Earlier versions require that you manually add the driver to the classpath: Prepend the following to the PRE_CLASSPATH environment variable in setDomainEnv.cmd/sh. This script is located in the bin subfolder of the folder for that domain.

set PRE_CLASSPATH=your-installation-directory\lib\cdata.jdbc.api.jar;%PRE_CLASSPATH%

After making these changes, restart the server.

Create a JDBC Data Source for Outlook

After deploying the driver, log into the WebLogic Administration Console and create the connection.

1. In the Domain Structure tree, click Services -> Data Sources -> New -> Generic Data Source.
2. On the JDBC Data Source Properties page, enter the following information:
   • Name: Enter a user-friendly name; for example, apijdbc.
   • JNDI Name: Enter the path the JDBC data source will be bound to; for example, jdbc/API.

   • Database Type: Select Other.

   

3. Click Next to use the default options. On the last page, enter the following information and click Test Configuration:

   • Driver Class Name: Enter the driver class, cdata.jdbc.api.APIDriver.

   • URL: Enter the JDBC URL. A typical JDBC URL is below:

     jdbc:api:Profile=C:\profiles\Outlook.apip;AuthScheme=OAuth;InitiateOAuth=GETANDREFRESH;OAuthClientId=your_client_id;OAuthClientSecret=your_client_secret;TenantId=your_tenant_id;CallbackUrl=http://localhost:33333;

     Using OAuth Authentication

     Microsoft Graph API uses OAuth 2.0 for authentication. You must register an application in the Microsoft Azure Portal to obtain OAuth credentials (Client ID and Client Secret).

     Obtaining OAuth Credentials

     1. Log in to the Azure Portal.
     2. Navigate to Azure Active Directory > App registrations.
     3. Click New registration to create a new application.
     4. Enter an application name and select the appropriate account types.
     5. Set the Redirect URI to your application's callback URL (e.g., http://localhost:33333 for desktop apps).
     6. Click Register to create the application.
     7. On the application overview page, copy the Application (client) ID - this is your OAuthClientId.
     8. Navigate to Certificates & secrets and create a new client secret.
     9. Copy the client secret value - this is your OAuthClientSecret.
     10. Navigate to API permissions and add the required Microsoft Graph API permissions:
         • Mail.Read - For accessing email messages
         • Contacts.Read - For accessing contacts
         • Calendars.Read - For accessing calendar events
         • Tasks.Read - For accessing To Do tasks
         • offline_access - For obtaining refresh tokens
     11. Click Grant admin consent to grant these permissions.

     Connecting with OAuth

     After setting the following connection properties, you are ready to connect:

     • AuthScheme: Set this to OAuth.
     • InitiateOAuth: Set this to GETANDREFRESH. The CData API Profile for Outlook will automatically walk through the OAuth process in order to obtain the access token.
     • OAuthClientId: Set this to the Application (client) ID from Azure Portal.
     • OAuthClientSecret: Set this to the client secret value from Azure Portal.
     • TenantId: Set this to your Azure AD tenant identifier (GUID or domain name like 'contoso.onmicrosoft.com').
     • CallbackURL: Set this to the Redirect URI you specified in your app registration (e.g., http://localhost:33333 for desktop apps).

     Example connection string

     Profile=C:\profiles\Outlook.apip;AuthScheme=OAuth;InitiateOAuth=GETANDREFRESH;OAuthClientId=your_client_id;OAuthClientSecret=your_client_secret;TenantId=your_tenant_id;CallbackUrl=http://localhost:33333;
     

     Built-in Connection String Designer

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

     java -jar cdata.jdbc.api.jar
     

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

     
   • Database User Name: Enter the username, if not specified in the JDBC URL.
   • Password: Enter the password, if not specified in the JDBC URL.
   

After selecting the server where you want to deploy the JDBC data source, you can now connect to Outlook data.

More WebLogic Integration

The steps above show how configure the driver in a simple connection pooling scenario. For more use cases and information, see the JDBC sections in the WebLogic Data Sources chapter of the Oracle Fusion Middleware documentation.