This Spring tutorial is to explain the ternary operator available in Spring expression language SpEL and learn how to use it by an example Spring application. In Spring 3.0, SpEL introduced a ternary operator to code “If-Then-Else” type conditional checking in Spring expressions. Spring expression language is used to query and manipulate object graph at […]
Published to Spring Tutorial on 21/06/2015.
Sending email in Spring framework is simpler than sending email in Java using JavaMail API. If sending email in plain Java is eating a nutty cake, then sending email in Spring framework is eating a nutty ice cream. Let us use GMail SMTP server for sending example email. So far we have seen how we […]
Published to Spring Tutorial on 05/12/2013.
Spring @Component, @Service, @Repository and @Controller annotations are used for automatic bean detection using classpath scan in Spring framework. @Component is a generic annotation. Difference of @Service, @Repository, @Controller with @Component is they are special cases of @Component and used for particular purposes. The difference is just classification only. For all these annotations (stereotypes), technically […]
Published to Spring Tutorial on 30/10/2013.
Spring MVC’s handler interceptor is like a good friend and will help in time of need. Spring’s handler interceptor as rightly named, intercepts a request, just before the controller or just after the controller or just before the response sent to view Spring’s interceptor can be configured for all the requests (for any URI’s requested) […]
Published to Spring Tutorial on 18/10/2013.
Export as excel is one of the most wanted feature in an enterprise application. In this tutorial let us learn about export as excel feature using Spring MVC framework. If you are a beginner, go through the Spring MVC tutorial before taking this. We will be using Spring 3 annotation based approach for the web […]
Published to Spring Tutorial on 09/10/2013.
One of the speciality of spring framework is the options it provide for customization. In the last article we saw about spring bean scopes available as part of standard implementation. In this article we shall see about custom scope that is available from Spring 2.0 Based on spring custom scope, we can define new scope […]
Published to Spring Tutorial on 21/11/2012.
Spring framework supports five type of scopes and for bean instantiation as of Spring 3.0 and also we can create a custom scope. singleton prototype request session global_session 1. singleton scope singleton is the default scope. Singleton design pattern requires no introduction as it is the easiest of all to understand. In the bean definition if the scope […]
Published to Spring Tutorial on 19/11/2012.
Spring 2.5 introduced support for annotation based MVC controllers. @RequestMapping, @RequestParam, @ModelAttribute are some of the annotations provided for this implementation. We have seen about these controller annotations at high level in a previous tutorial on spring MVC. I will be using the same code available in that tutorial to explain the annotations. An important […]
Published to Spring Tutorial on 11/09/2012.
Logging is important for an application. It gives insider information :-) It helps us understand what is happening inside the engine by recording parameters silently and provides vital information. It helps in providing system related information like health status, debugging and provides critical support during production trouble shooting and unexplained failure. We need unified logging […]
Published to Spring Tutorial on 20/08/2012.
In this tutorial we will what is spring ApplicationContext and how to access it. There are numerous different ways to get a task done in Spring framework and that is one advantage of it. What is ApplicationContext? ApplicationContext is an interface for providing configuration information to an application. There are multiple classes provided by springframework […]
Published to Spring Tutorial on 12/08/2012.