Add password to SrpConnectionFactory

DATAREDIS-203

src/main/java/org/springframework/data/redis/connection/srp/SrpConnection.java

@@ -213,6 +213,15 @@ public class SrpConnection implements RedisConnection {
 		}
 	}
 
+	public SrpConnection(String host, int port, String password, BlockingQueue<SrpConnection> queue) {
+		this(host, port, queue);
+		try {
+			this.client.auth(password);
+		} catch(RedisException e) {
+			throw new RedisConnectionFailureException("Could not connect", e);
+		}
+	}
+
 	protected DataAccessException convertSrpAccessException(Exception ex) {
 		return SrpConverters.toDataAccessException(ex);
 	}

src/main/java/org/springframework/data/redis/connection/srp/SrpConnectionFactory.java

@@ -36,6 +36,7 @@ public class SrpConnectionFactory implements InitializingBean, DisposableBean, R
 	private int port = 6379;
 	private BlockingQueue<SrpConnection> trackedConnections = new ArrayBlockingQueue<SrpConnection>(50);
 	private boolean convertPipelineAndTxResults = true;
+	private String password;
 		
 
 	/**
@@ -72,7 +73,8 @@ public class SrpConnectionFactory implements InitializingBean, DisposableBean, R
 	}
 
 	public RedisConnection getConnection() {
-		SrpConnection connection = new SrpConnection(hostName, port, trackedConnections);
+		SrpConnection connection = password != null ? new SrpConnection(hostName, port, password, trackedConnections) :
+			new SrpConnection(hostName, port, trackedConnections);
 		connection.setConvertPipelineAndTxResults(convertPipelineAndTxResults);
 		return connection;
 	}
@@ -117,6 +119,24 @@ public class SrpConnectionFactory implements InitializingBean, DisposableBean, R
 		this.port = port;
 	}
 
+	/**
+	 * Returns the password used for authenticating with the Redis server.
+	 *
+	 * @return password for authentication
+	 */
+	public String getPassword() {
+		return password;
+	}
+
+	/**
+	 * Sets the password used for authenticating with the Redis server.
+	 *
+	 * @param password the password to set
+	 */
+	public void setPassword(String password) {
+		this.password = password;
+	}
+
 	/**
 	 * Specifies if pipelined results should be converted to the expected data
 	 * type. If false, results of {@link SrpConnection#closePipeline()} and {@link SrpConnection#exec()}