diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/SimpleMongoDbFactory.java b/spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/SimpleMongoDbFactory.java
index 939b93b3c..cec851e6d 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/SimpleMongoDbFactory.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/SimpleMongoDbFactory.java
@@ -12,57 +12,64 @@ import com.mongodb.Mongo;
 
 public class SimpleMongoDbFactory implements DisposableBean, MongoDbFactory {
 
-  /**
-   * Logger, available to subclasses.
-   */
-  protected final Log logger = LogFactory.getLog(getClass());
+	/**
+	 * Logger, available to subclasses.
+	 */
+	protected final Log logger = LogFactory.getLog(getClass());
 
-  private Mongo mongo;
-  private String databaseName;
-  private String username;
-  private String password;
+	private Mongo mongo;
+	private String databaseName;
+	private String username;
+	private String password;
 
-  /**
-   * Create an instance of SimpleMongoDbFactory given the Mongo instance and database name
-   * @param mongo Mongo instance, not null
-   * @param databaseName Database name, not null
-   */
-  public SimpleMongoDbFactory(Mongo mongo, String databaseName) {
-    Assert.notNull(mongo, "Mongo must not be null");
-    Assert.hasText(databaseName, "Database name must not be empty");
-    this.mongo = mongo;
-    this.databaseName = databaseName;
-  }
-  
-  /**
-   * Create an instance of SimpleMongoDbFactory given the Mongo instance, database name, and username/password
-   * @param mongo Mongo instance, not null
-   * @param databaseName Database name, not null
-   * @param userCredentials username and password
-   */
-  public SimpleMongoDbFactory(Mongo mongo, String databaseName, UserCredentials userCredentials) {
-    this(mongo, databaseName);
-    this.username = userCredentials.getUsername();
-    this.password = userCredentials.getPassword();
-  }
+	/**
+	 * Create an instance of SimpleMongoDbFactory given the Mongo instance and
+	 * database name
+	 * 
+	 * @param mongo Mongo instance, not null
+	 * @param databaseName Database name, not null
+	 */
+	public SimpleMongoDbFactory(Mongo mongo, String databaseName) {
+		Assert.notNull(mongo, "Mongo must not be null");
+		Assert.hasText(databaseName, "Database name must not be empty");
+		this.mongo = mongo;
+		this.databaseName = databaseName;
+	}
 
-  public DB getDb() throws DataAccessException {
-    Assert.notNull(mongo, "Mongo must not be null");
-    Assert.hasText(databaseName, "Database name must not be empty");
-    return MongoDbUtils.getDB(mongo, databaseName, username, password == null ? null : password.toCharArray());
-  }
-  
-  public DB getDb(String dbName) throws DataAccessException {
-    Assert.notNull(mongo, "Mongo must not be null");
-    Assert.hasText(dbName, "Database name must not be empty");
-    return MongoDbUtils.getDB(mongo, dbName, username, password == null ? null : password.toCharArray());
-  }
+	/**
+	 * Create an instance of SimpleMongoDbFactory given the Mongo instance,
+	 * database name, and username/password
+	 * 
+	 * @param mongo Mongo instance, not null
+	 * @param databaseName Database name, not null
+	 * @param userCredentials username and password
+	 */
+	public SimpleMongoDbFactory(Mongo mongo, String databaseName,
+			UserCredentials userCredentials) {
+		this(mongo, databaseName);
+		this.username = userCredentials.getUsername();
+		this.password = userCredentials.getPassword();
+	}
 
-  /**
-   * Clean up the Mongo instance.
-   */
-  public void destroy() throws Exception {
-	mongo.close();
-  }
+	public DB getDb() throws DataAccessException {
+		Assert.notNull(mongo, "Mongo must not be null");
+		Assert.hasText(databaseName, "Database name must not be empty");
+		return MongoDbUtils.getDB(mongo, databaseName, username,
+				password == null ? null : password.toCharArray());
+	}
+
+	public DB getDb(String dbName) throws DataAccessException {
+		Assert.notNull(mongo, "Mongo must not be null");
+		Assert.hasText(dbName, "Database name must not be empty");
+		return MongoDbUtils.getDB(mongo, dbName, username,
+				password == null ? null : password.toCharArray());
+	}
+
+	/**
+	 * Clean up the Mongo instance.
+	 */
+	public void destroy() throws Exception {
+		mongo.close();
+	}
 
 }