Tag: spring bean

Introduction In this example I am going to show you Spring Security Pre-authentication hasrole with Spring Data JPA. In my another example I had shown the similar example on Spring Security Pre-Authentication with Spring JDBC Template. There are situations where you want to use Spring Security for authorization, but the user has already been reliably…

In this tutorial I am going to show you how lookup method injection works in Spring framework. You may face a situation where you need to inject prototype scoped bean into singleton scoped bean. For singleton scoped bean a new instance or object is created and the same is returned each time it is injected…

Introduction In this tutorial I am going to discuss about best practices while building applications using Spring framework. Recently Spring has been one of the most popular Java based framework for building enterprise applications. Anyone can grasp the basic concepts and starts building applications using Spring right away but to become a strong developer you…

Spring framework provides bean life cycle call back methods to perform some additional tasks which you may want to perform when a bean is initiated or created or when a bean is about to get destroyed. Therefore you can run a method which will do some initialization process during bean initialization and you can run…

Spring InitializingBean and DisposableBean are the interfaces used in life cycle of Spring beans management. Each of these interfaces has only one method. InitializingBean has a method called afterPropertiesSet() and DisposableBean has a method called destroy(). Spring container runs the method afterPropertiesSet() once the bean properties have been set and Spring container runs destroy() method…

Introduction In this tutorial we will discuss on Spring custom init() and destroy() methods. These methods are call back methods which used in Spring life cycle. You can use these methods to to some initialization and clean up jobs just after the bean is created by the Spring container or just before the bean is…

BeanPostProcessor in Spring is used for extending the functionality of framework if want to do any configuration Pre- and Post- bean initialization done by spring container. By default, Spring will not aware of the @PostConstruct and @PreDestroy annotation. To enable it, you have to either register CommonAnnotationBeanPostProcessor or specify <context:annotation-config/> in the bean configuration file….

Introduction In this tutorial we will create an example on Spring Boot MVC and Hibernate CRUD. CRUD is an acronym that means Create, Read, Update and Delete operations. In my other tutorial I had also created Spring Boot MVC and JDBC CRUD Example. We will build the tutorial example using both maven and gradle build…

Introduction In my other tutorial I had shown how to create an example on Spring MVC and JDBC CRUD example using annotations only, but here I am going to use Spring Boot framework. I did not update the other tutorial keeping in mind if someone still needs the example using Spring framework only. Here also…

One of the important features in Spring Data JPA or simply JPA is the ability to specify fetch plans using Entity Graphs. This is useful since it allows you to customize the data, which is retrieved with a query or find operation. It is expected to display data from the same entity in different and…

A catch exception strategy can be defined to customize the way Mule handles messages with errors. A catch exception strategy catches all exceptions thrown within its flow and processes them, thereby overriding Mule’s implicit default exception strategy. Mule’s catch exception strategy behavior is similar to a Java catch block, except that a new exception cannot…

A catch exception strategy can be defined to customize the way Mule handles messages with errors. A catch exception strategy catches all exceptions thrown within its flow and processes them, thereby overriding Mule’s implicit default exception strategy. Mule’s catch exception strategy behavior is similar to a Java catch block, except that a new exception cannot…