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Tag Archives: Spring

Spring @Bean and PropertyPlaceHolderConfigurer

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I was recently stumped by what I thought was going to be a fairly straightforward implementation – Consider the following Spring Java based bean definition file ( @Configuration):                 package root; ... @Configuration @PropertySource("classpath:root/test.props") public class SampleConfig { @Value("${test.prop}") private String attr; @Bean public SampleService sampleService() { return new SampleService(attr); } } Here ...

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Spring Data JPA Tutorial Part One: Configuration

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Spring Data JPA is a project which aims both to simplify the creation of JPA based repositories and to reduce the amount of code needed to communicate with a database. I have been using it for a while at my work and in my personal hobby projects and it has indeed make things a lot more simpler and cleaner. Now ...

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Testing Web-based Spring Applications in 2013 (Part One)

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Testing Web-based Spring Applications in 2013 (Part One) A fellow LJCer and TDD/BDD advocate has recently started developing an application using the ever-popular Spring stack, and he asked my advice on how best to implement a Test-driven methodology within this context. I started typing an email back in response, but then it suddenly occurred to me that this might be useful for ...

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Getting Started With Spring’s MVC Test Framework – Part 1

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Newly promoted to the main Spring framework is the Spring MVC Test Framework, which the Guys at Spring claim is a “first class JUnit support for testing client and server side Spring MVC code through a fluent API”1. In this and my next blog, I’m going to take a look at Spring’s MVC Test Framework and apply it to some ...

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Spring MVC: Session advanced

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Not so long time ago I wrote a post about HTTP sessions in a Spring MVC application. That was the simple article with an emphasis on practical aspect of usage. In the end of the post I promised to write more advanced topic dedicated to the sessions in Spring MVC applications. So I’m going to publish this stuff. Before I ...

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Spring MVC Custom Validation Annotations

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Last tutorial, I showed how to validate a form using annotations. This works great for simple validations, but eventually, you’ll need to validate some custom rules that aren’t available in the out-of-the-box annotations. For example, what if you need to validate that a user is over 21 years old, calculated based off their input birthdate, or, maybe you need to ...

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Auditing a Spring MVC Webapp with AspectJ. Part 2

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Now, this is the blog you want to read if you’re interested in creating a Spring MVC Webapp that uses Aspect Oriented Programming (AOP) in the form of Aspectj’s @Aspect and @Before annotations to audit a user’s visit to a screen. As I said in my last blog auditing a user’s visits to a screen is one of those few ...

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su and sudo in Spring Security applications

spring-interview-questions-answers

Long time ago I worked on a project that had a quite powerful feature. There were two roles: user and supervisor. Supervisor could change any document in the system in any way while users were much more limited to workflow constraints. When a normal user had some issue with the document currently being edited and stored in HTTP session, supervisor ...

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