public void printData()
{
    System.out.println("just to test aspect programming");
}

@RequestMapping("/")
public String doLogin(ModelMap modelMap)
{
    System.out.println("doLogin" +loginService);

    String message=messageSource.getMessage("message", null, "default", Locale.UK);
    System.out.println("Message is:" + message);
    printData();
    LoginForm loginForm=new LoginForm();
    modelMap.put("loginForm",loginForm);
    return "login";
}

My Aspect class is as follows:
package com.neha.javabrains;

import org.springframework.stereotype.Component;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

@Component
@Aspect
public class LogTime {

  @Before("execution(* com.neha.javabrains.LoginController.printData(..))")
  public void loggedData()
  {
      System.out.println("In Pointcut Expression");
  }
}

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:context="http://www.springframework.org/schema/context"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:mvc="http://www.springframework.org/schema/mvc"
   xmlns:tx="http://www.springframework.org/schema/tx"
   xmlns:aop="http://www.springframework.org/schema/aop"
   xsi:schemaLocation="
   http://www.springframework.org/schema/beans
   http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
   http://www.springframework.org/schema/context
   http://www.springframework.org/schema/context/spring-context-4.0.xsd
   http://www.springframework.org/schema/mvc
   http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
   http://www.springframework.org/schema/tx
   http://www.springframework.org/schema/tx/spring-tx.xsd
   http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">

<!-- <bean/> definitions here -->
<context:component-scan base-package="com.neha.javabrains" />
<context:annotation-config/>
<mvc:annotation-driven />
<mvc:default-servlet-handler />

<mvc:resources mapping="/resources/**" location="/resources/" />
<tx:annotation-driven transaction-manager="txManager"/>
<aop:aspectj-autoproxy />

    <bean id="loginDAO" class="com.neha.javabrains.LoginDAO">
    <property name="hibernateTemplate" ref="hibernateTemplate"></property>
    </bean>

    <bean id="hibernateTemplate" class="org.springframework.orm.hibernate4.HibernateTemplate">
    <property name="sessionFactory" ref="mySessionFactory"/>
    </bean>

    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="myDataSource"/>
    </bean>

   <bean id="loginFormValidator" class="com.neha.javabrains.LoginFormValidator"/>

   <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
   <property name="basename" value="message" />
   <property name="defaultEncoding" value="UTF-8" />
   </bean>

   <beans profile="dev">
  <bean id="myDataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName"  value="oracle.jdbc.driver.OracleDriver"></property>
        <property name="url" value="jdbc:oracle:thin:@localhost:1521:books"></property>
        <property name="username" value="system"></property>
        <property name="password" value="xyz"></property>
    </bean>
    </beans>

    <beans profile="prod">
  <bean id="myDataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName"  value="oracle.jdbc.driver.OracleDriver"></property>
        <property name="url" value="jdbc:oracle:thin:@localhost:1521:orcl"></property>
        <property name="username" value="system"></property>
        <property name="password" value="abc"></property>
    </bean>
    </beans>

</beans>