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Tag Archives: Spring

Server side logging from browser side JavaScript code

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Application logging is something we all do in our applications that get deployed on an application server, right? Using frameworks like Log4J or Logback seems like a no-brainer to most Java developers. But what about the code we’ve written that is running in those pesky browsers? I guess that, apart from the occasional console.log() statement used during debugging, we don’t ...

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Spring from the Trenches: Using Null Values in DbUnit Datasets

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If we are writing integration tests for an application that uses Spring Framework, we can integrate DbUnit with the Spring testing framework by using Spring Test DbUnit. However, this integration is not problem free. Often we have to insert null values to the database before our tests are run or verify that the value saved to the specific table column ...

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Spring Rest API with Swagger – Creating documentation

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The real key to making your REST API easy to use is good documentation. But even if your documentation is done well, you need to set your company processes right to publish it correctly and on time. Ensuring that stakeholders receive it on time is one thing, but you are also responsible for updates in both the API and documentation. ...

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Spring Boot Actuator: custom endpoint with MVC layer on top of it

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Spring Boot Actuator endpoints allow you to monitor and interact with your application. Spring Boot includes a number of built-in endpoints and you can also add your own.   Adding custom endpoints is as easy as creating a class that extends from org.springframework.boot.actuate.endpoint.AbstractEndpoint. But Spring Boot Actuator offers also possibility to decorate endpoints with MVC layer.   Endpoints endpoint There ...

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Spring Boot / Java 8 / Tomcat 8 on Openshift with DIY

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DIY cartridge is an experimental cartridge that provides a way to test unsupported languages on OpenShift. It provides a minimal, free-form scaffolding which leaves all details of the cartridge to the application developer. This blog post illustrates the use of Spring Boot / Java 8 / Tomcat 8 application with PostgreSQL service bound to it. Creating new application Prerequisite Before ...

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Spring Rest API with Swagger – Integration and configuration

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Nowadays, exposed APIs are finally getting the attention they deserve and companies are starting to recognize their strategic value. However, working with 3rd party APIs can be really tedious work, especially when these APIs are not maintained, ill designed or missing any documentation. That’s why I decided to look around for ways to provide fellow programmers and other team members ...

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Spring Boot and Spring Data REST – exposing repositories over REST

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Exposing Spring Data repositories over REST is pretty easy with Spring Boot and Spring Data REST. With minimal code one can create REST representations of JPA entities that follow the HATEOAS principle. I decided to re-use Spring PetClinic’s JPA entities (business layer) as the foundation for this article.       Application foundation The PetClinic’s model is relatively simple, but ...

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Stateless Spring Security Part 2: Stateless Authentication

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This second part of the Stateless Spring Security series is about exploring means of authentication in a stateless way. If you missed the first part about CSRF you can find it here. So when talking about Authentication, its all about having the client identify itself to the server in a verifiable manner. Typically this start with the server providing the client with a ...

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Spring @Configuration – RabbitMQ connectivity

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I have been playing around with converting an application that I have to use Spring @Configuration mechanism to configure connectivity to RabbitMQ – originally I had the configuration described using an xml bean definition file. So this was my original configuration:             <beans ...;> <context:property-placeholder/> <rabbit:connection-factory id="rabbitConnectionFactory" username="${rabbit.user}" host="localhost" password="${rabbit.pass}" port="5672"/> <rabbit:template id="amqpTemplate" connection-factory="rabbitConnectionFactory" exchange="rmq.rube.exchange" ...

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