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Mekaso rocks
A blog about java, enterprise architecture, microservices and related technologies
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  • Java
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  • Enterprise Architecture
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  • Java
  • Microservices
  • Enterprise Architecture
  • Vaadin

Tag Archives: java

Nature of Architecture

Check your Vaadin MVP architecture with Unit tests

Enterprise Architecture, Java, VaadinBy Meik KaufmannMarch 13, 2019Leave a comment

All those architectures out there start as a simple consistent idea… and end in a mess. After too many change requests and refactoring tasks to improve your project or correct issues, there might be nothing much left of the architecture you once started with. In this post I will give an example on how to…

Vaadin 10: Templating your views with FlexLayout

Java, VaadinBy Meik KaufmannMay 11, 2018Leave a comment

Vaadin 10 is an almost complete rewrite of the successfull Vaadin framework and offers many new interesting and usefull features. One interesting feature is the router, that will superseed the navigator of Vaadin 8. With the @Route annotation placed at the type definition of a view class, it is possible to use a template for…

Perfect multi language support for your Vaadin application (I18N)

Java, VaadinBy Meik KaufmannApril 12, 2018Leave a comment

Creating a multi lingual web application is a common task in modern web development. Most (old-school) java web frameworks offer out-of-the-box solutions for this task, but for single-page-application frameworks like Vaadin, you need to come up with some fresh ideas for localization. The business requirements for a Vaadin i18n application I would like to collect…

Vert.x and Angular in a self-contained application

Java, MicroservicesBy Meik KaufmannMarch 18, 20182 Comments

While I am still working with standard JEE architectures, I wanted to try out a Javascript frontend connecting to a Java backend in a self-contained application (SCA) for a long time. I am using Angular (at the moment the javascript UI framework with the biggest market share) and Vert.x for a showcase project. Vert.x sets…

Get requests with a request body: Spring RestTemplate vs Apache HttpClient

Java, MicroservicesBy Meik KaufmannFebruary 26, 20184 Comments

During the last couple of days, I had the task to call some rest endpoints for a backend application. So far, so good, so easy… I thought. However, something looked strange, when I tried to get a JWT authorization token, that I needed to perform other rest calls. The company that developed the rest endpoint…

what a cool fog

Unit tests for a Vaadin 8 MVP application

Enterprise Architecture, Java, VaadinBy Meik KaufmannMarch 27, 2017Leave a comment

The model-view-presenter (aka MVP) architecture pattern is a good choice for Vaadin applications. It clearly separates the business logic from the UI code and improves testability. Well… I heard statements like that many times before without proper explanations or examples what makes a pattern so useful that we cannot start a new project without using…

A practical guide to MVP for Vaadin

Enterprise Architecture, Java, VaadinBy Meik KaufmannMarch 10, 20172 Comments

The MVP (model-view-presenter) is a solid architecture pattern for Vaadin projects of all sizes. However there are many ways to achieve it. I would like to have a MVP architecture in my Vaadin projects and use the cool features of the Vaadin framework and its eco-system like a WYSIWYG editor for UI layout or the…

Use the Vaadin CDI Navigator to support bookmarks and browser navigation buttons

Enterprise Architecture, Java, VaadinBy Meik KaufmannFebruary 19, 20171 Comment

Single page web applications have become more and more popular as they support responsiveness in an elegant way and create great user experiences with fast rendering times. Vaadin is a leading Java single page web application framework that has a large eco system with many official and 3rd party add-ons. One essential add-on is the…

Optimized UI for mobile and web with PrimeFaces

JavaBy Meik KaufmannJanuary 1, 20171 Comment

When developing web applications with JSF and PrimeFaces most target users are still using PC or laptops as they will use the application mainly during work hours. Mobile devices like smartphones or tablets are supposed to work without code modifications, but most of the times there are no optimized layouts for those devices. PrimeFaces offers…

Java 8 concurrency in a Vaadin UI

Java, VaadinBy Meik KaufmannOctober 19, 2016Leave a comment

Right now – as I am writing this post – Vaadin is my favourite UI framework for Java web applications. While alot of frameworks seem to create just as much problems as they are trying to solve, Vaadin helps me in creating stylish reactive user interfaces. In this post I will show how to use…

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