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JRuby からLDAP Objects にデータ連携

リアルタイムLDAP objects に連携するシンプルなJRuby アプリケーションを作成します。

JRuby はRuby プログラミング言語の高性能で安定した、完全にスレッド化されたJava 実装です。CData JDBC Driver for LDAP を使用すると、JRuby からリアルタイムLDAP objects へのデータ連携を簡単に実装できます。ここでは、LDAP objects に接続し、クエリを実行して結果を表示する簡単なJRuby アプリを作成する方法を説明します。

LDAP Objects にJDBC で接続

Before creating the app, note the installation location for the JAR file for the JDBC Driver (typically C:\Program Files\CDatat\CData JDBC Driver for LDAP\lib).

JRuby natively supports JDBC, so you can easily connect to LDAP and execute SQL queries.Initialize the JDBC connection with the getConnection function of the java.sql.DriverManager class.

To establish a connection, the following properties under the Authentication section must be provided:

  • Valid User and Password credentials (e.g., Domain\BobF or cn=Bob F,ou=Employees,dc=Domain).
  • Server information, including the IP or host name of the Server, as well as the Port.
  • BaseDN: This will limit the scope of LDAP searches to the height of the distinguished name provided.

    Note: Specifying a narrow BaseDN may greatly increase performance; for example, cn=users,dc=domain will only return results contained within cn=users and its children.

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 LDAP JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.ldap.jar

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

Below is a typical JDBC connection string for LDAP:

jdbc:ldap:User=Domain\BobF;Password=bob123456;Server=10.0.1.1;Port=389;

LDAP Objects への接続性を持つJRuby アプリを作成

Create a new Ruby file (for example: LDAPSelect.rb) and open it in a text editor.Copy the following code into your file:

require 'java' require 'rubygems' require 'C:/Program Files/CData/CData JDBC Driver for LDAP 2018/lib/cdata.jdbc.ldap.jar' url = "jdbc:ldap:User=Domain\BobF;Password=bob123456;Server=10.0.1.1;Port=389;" conn = java.sql.DriverManager.getConnection(url) stmt = conn.createStatement rs = stmt.executeQuery("SELECT Id, LogonCount FROM User") while (rs.next) do puts rs.getString(1) + ' ' + rs.getString(2) end

With the file completed, you are ready to display your LDAP objects with JRuby.To do so, simply run your file from the command line:

jruby -S LDAPSelect.rb

Writing SQL-92 queries to LDAP allows you to quickly and easily incorporate LDAP objects into your own JRuby applications.Download a free trial today!

 
 
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