Blog
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How to create your own Grails portlet for Liferay?
Portlets are pluggable user interface software components that are managed and displayed in a web portal. They produce fragments of markup code that are aggregated into a portal. There are two specifications of portlets exist nowadays, they…
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Agile vs Waterfall Development model
Development methodology is a framework that is used to structure, plan, and control the development of software systems. Agile and CMMI Waterfall methodologies are very alike and have enough differences to be named differently. Let’s consider the…
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Easy REST with Spring RestTemplate and JAX-B
Representational state transfer (REST) is a very popular architecture for distributed hypermedia. Lots of different web services expose their APIs in a RESTful manner. It is very convenient when a service of a choice provides a library…
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Custom sorting in Grails
Hi, guys, today we’re gonna talk about the really interesting and tricky Grails task, implementation of the custom sorting. It’s a pretty often appearing situation, when you need to sort the list of items, basing on the…
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Groovy’s True Object-Orientation
Unlike Java, which mixes primitive and reference types, Groovy handles everything in common manner — as objects, what makes it truly object-oriented. When a primitive type gets passed into the Groovy world, it is automatically “boxed” into…
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Reinforcing Grails Application With Hudson/Jenkins
Hudson is an excellent continuous integration tool and has become an indispensable assistant in software quality control for many organisations. As for this post I will describe how to couple Hudson and Grails to work in effective…
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Spring Security Grails plugin. Quick start and some tips
Spring Security plugin is a fast and convenient solution for authorizing user access. Almost every Grails web application uses it. In this article I would like to provide a guide about how to apply this solution quickly,…
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Groovy for Java developer: learning Groovy-specific features
Groovy is an object oriented dynamic language for the JVM. Dynamically compiled to a bytecode and interoperable with most Java libraries, Groovy is a perfect candidate for writing lightweight scripts that still can benefit from the Java…
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Geb/Spock functional testing in Grails
At our company’s blog we have already considered many types of the Grails testing. But there are yet one testing type, on which we have to take a look at. In this article we will check out…
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Creating custom GSP tags and tag libraries in Grails
Grails tag libraries are designed to provide content formatting capabilities right on a GSP page. The ‘tag’ is an action that can be declared in a form of an HTML element. This action can accept an enclosed…
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Introduction to Git
Git is a version control system, that was designed by Linus Torvalds, first released in 2005. In opposite to CVS (concurrent version systems) systems, which in it’s basics have a file as a processing item, in the…
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Grails Unit Testing: covering domain classes and services
Unit testing in Grails is currently implemented with Grails Testing plugin. The plugin provides unit testing facilities through the GrailsUnitTestCase class which offers a lot of useful methods for mocking Grails-specific objects. This post demonstrates how some…
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