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Grails Goodness: Unit Testing Render Templates from Controller

In a previous blog post we learned how we can unit test a template or view independently. But what if we want to unit test a controller that uses the render() method and a template ...
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Grails Goodness: Accessing Resources with Resource and ResourceLocator

Grails uses Spring and we can piggyback on the Spring support for resource loading to find for examples files in the classpath of our application. We can use the Spring org.springframework.core.io.Resource ...
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Grails – GORM Tutorial

Grails is known as domain driven language that means we can build application using bottom to top approach which is more nearer to object oriented programming. GORM (Grail Object Relational ...
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SOA and REST with Grails

I discussed on my previous article about REST and how to leverage RESTful web services on Grails platform. We will further discuss Grails on SOA & REST and try to visualize architecture ...
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Converting Grails Applications to Plugins and vice versa

I was in London last week on vacation with my family and was lucky that there was a London GGUG meetup during my visit. David Dawson discussed modularizing Grails applications by refactoring ...
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Groovy Sql and Oracle ‘Invalid column index’ SQLException

There are some minor potential dangers associated with Groovy’s def keyword. The Groovy style and language feature guidelines for Java developers provides some warnings about ...
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Escaping XML with Groovy 2.1

When posting source code to my blog, I often need to convert less than signs (<), and greater than signs (>) to their respective entity references so that they are not confused ...
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Enhanced Groovy-based JAR/Manifest Diff Tool

This brief blog post provides another Groovy script that provides simple differencing of two JAR (or WAR or EAR) files and their MANIFEST.MF files. It represents a combination of the ...
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Comparing Manifest Files with Groovy

My last post discussed comparing the high-level contents of two JAR files using a Groovy script and a 2011 post covered displaying a particular JAR file’s manifest file. This ...
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Grails – RESTful Webservice using JAX-RS plugin

I discussed about RESTful architecture consideration and how to build RESTful web services using Jersey JAX-RS [JSR 311]  in JAVA. Today I am going to discuss how to build the RESTful ...
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