<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="${database.driver}"/>
    <property name="url" value="${database.url}"/>
    <property name="username" value="${database.user}"/>
    <property name="password" value="${database.password}"/>
</bean>

database.driver=com.mysql.jdbc.Driver
database.url=jdbc:mysql://192.168.1.2:3306/db
database.user=root
database.password=password

<dependency>
        <groupId>com.jcraft</groupId>
        <artifactId>jsch</artifactId>
        <version>0.1.53</version>
    </dependency>

import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;

public class SSHConnection {

private final static String S_PATH_FILE_PRIVATE_KEY = "C:\Users\Val\.ssh\privatekeyputy.ppk"; \windows absolut path of our ssh private key locally saved
private final static String S_PATH_FILE_KNOWN_HOSTS = "C:\Users\Val\.ssh\known_hosts";
private final static String S_PASS_PHRASE = "mypassphrase";
private final static int LOCAl_PORT = 3307;
private final static int REMOTE_PORT = 3306;
private final static int SSH_REMOTE_PORT = 22;
private final static String SSH_USER = "87a34c7f89f5cf407100093c";
private final static String SSH_REMOTE_SERVER = "myapp-mydomain.rhcloud.com";
private final static String MYSQL_REMOTE_SERVER = "127.6.159.102";

private Session sesion; //represents each ssh session

public void closeSSH ()
{
    sesion.disconnect();
}

public SSHConnection () throws Throwable
{

    JSch jsch = null;

        jsch = new JSch();
        jsch.setKnownHosts(S_PATH_FILE_KNOWN_HOSTS);
        jsch.addIdentity(S_PATH_FILE_PRIVATE_KEY, S_PASS_PHRASE.getBytes());

        sesion = jsch.getSession(SSH_USER, SSH_REMOTE_SERVER, SSH_REMOTE_PORT);
        sesion.connect(); //ssh connection established!

        //by security policy, you must connect through a fowarded port
        sesion.setPortForwardingL(LOCAl_PORT, MYSQL_REMOTE_SERVER, REMOTE_PORT);

}
}

@WebListener
public class MyContextListener implements ServletContextListener {

private SSHConnection conexionssh;


public MyContextListener()
{
    super();
}

/**
 * @see ServletContextListener#contextInitialized(ServletContextEvent)
 */
public void contextInitialized(ServletContextEvent arg0)
{
    System.out.println("Context initialized ... !");
    try
        {
            conexionssh = new SSHConnection();
        }
    catch (Throwable e)
        {
            e.printStackTrace(); // error connecting SSH server
        }
}

/**
 * @see ServletContextListener#contextDestroyed(ServletContextEvent)
 */
public void contextDestroyed(ServletContextEvent arg0)
{
    System.out.println("Context destroyed ... !");
    conexionssh.closeSSH(); // disconnect
}

<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="com.mysql.jdbc.Driver" />
    <property name="url" value="jdbc:mysql://localhost:3307/yourSchema" />
    <property name="username" value="admin4ajCbcWM" />
    <property name="password" value="dxvfwEfbyaPL-z" />
</bean>