Category: Spring Core

In this tutorial I will create examples on Spring @ConditionalOnMissingBean. Anywhere you define a Spring bean, you can optionally add a condition. Only if the specified condition is satisfied then only bean will be added to the application context. To declare a condition, you can use any of the @Conditional… annotations. The @ConditionalOnMissingBean annotation lets…

Introduction I will create examples on Spring @ConditionalOnBean. Anywhere you define a Spring bean, you can optionally add a condition. Only if the specified condition is satisfied then only bean will be added to the application context. To declare a condition, you can use any of the @Conditional… annotations. The @ConditionalOnBean annotation let a bean…

Introduction In this post we will see how to select records using queryForObject, queryForList, BeanPropertyRowMapper in Spring JdbcTemplate. Here we will create annotation based example. If you need XML based application then you can refer to the example here. Spring’s queryForObject is used to fetch single row from the database. Spring’s queryForList and BeanPropertyRowMapper are…

Introduction We will see how to create annotation based Spring application or annotation based configuration in Spring application. We will use here H2 database to perform database activities using Spring JDBC Template. We will not use any XML configuration here or zero XML configuration. We will also see how to run this stand-alone Spring application…

Introduction This tutorial will show you how to integrate in-memory H2 database with Spring. We will see here simple example to understand how it works. Here we will use Spring JDBC API to perform database activities. You can use this example with Spring based applications, such as, Spring Core, Spring MVC etc. You may also…

Introduction In this tutorial I will show you an example on Spring Data JPA CRUD. Here I will use the embedded or in-memory HSQL database. CRUD means Create, Read, Update, Delete. So I am going to perform basic CRUD operations on some entities. In this example I will create annotation based Spring standalone application. Related…

Sometimes we may need to have some conditional statement in Spring config XML file depending upon some variables value. Think of a situation when you are using JPA in your application and your application may have two persistence units in Spring XML config file and you need to connect to one of them depending upon…

In this tutorial I will show you how to integrate JSF 2, Spring 4, Hibernate 4 and Maven. In the previous example Spring 3, JSF 2 and Hibernate 3 integration example , I have shown how to integrate JSF 2, Spring 3 and Hibernate 3 but I have not used maven there. For this tutorial…

In this tutorial I will show you how to integrate Struts 2, Spring 4, Hibernate 4 and Maven. In the previous example Integrate Spring 3, Struts 2 and Hibernate 3 , I have shown how to integrate Struts 2, Spring 3 and Hibernate 3 but I have not used maven there. For this tutorial we…

This tutorial will show you how to send a basic mail via Spring framework’s email support. The Spring Framework provides a helpful utility library for sending email that shields the user from the specifics of the underlying mailing system and is responsible for low level resource handling on behalf of the client. I will show…

This tutorial will show you how to send a basic mail via Spring framework’s email support using Velocity email template library. We will use class org.springframework.mail.javamail.MimeMessageHelper, which shields you from having to use the verbose JavaMail API. Using the MimeMessageHelper it is pretty easy to create a MimeMessage. The code in the other email sending…

This tutorial will show you how to send a basic mail via Spring framework’s email support. We will attach a resource (an image) as an inline attachment in the email body. The Spring Framework provides a helpful utility library class that comes in pretty handy when dealing with JavaMail messages is the org.springframework.mail.javamail.MimeMessageHelper class, which…