Shaaf's blog

A technical blog about Java, Kubernetes and things that matter

Abstract Factory pattern

Factories have been a key pattern in building applications, its fascinatingly simple, effective and to the point. When starting to learn a design oriented approach to applications or API, I would always recommend a factory pattern as one of the key starting notes of highlight in your design. So today I am talking about the Abstract Factory pattern. Its not an “abstract” class or object that you call a pattern. But its a Factory of facotries and that is what exactly makes it so much wordingly abstract.

Crocus - CSV Reader

Easy to use ready to go CSV File Reading utility. Read One or Multiple files into a RecordManager, quick access to the file with segmentation into Fields and Records. Merge Multiple CSV files in one. Listener to CSV Files. Download Here Organization: A CSV file is broken up as follows A CSVField has a group of characters A CSVRecord has a group of CSVFields A CSVFile has a group of record

SVN - some quick commands during merge

Following are some of the frequently used svn commands during merging and branching. I used to work with tortoise for this but as soon as I learned these, it feels like a more easier space to be in. Although no points taken away from tortoise, it still works pretty good for the gui part, This article is more targeted towards dark screen lovers. Create a new branch from trunk: If you want to create a branch from a specific revision of Trunk following command is handy.

HowTo create a JDBC provider with wsadmin scripting - Jython

Last week I wrote a post about creating MQQueues with jacl. However today I am moving to Jython. This is the new scripting languauge supported by the wsadmin. The following write-up helps you create a JDBC provider using Jython in 6 easy steps on the wsadmin console. *Pre requirements: *Following should be known to start using this tutorial. How to launch the wsadmin with Jython enabled. *Where will I find the wsadmin?

Creating an SVN wrap for your build using Ant

Today after along break I would jump right on to one of the interesting topics in my den these days. One of my friends was lately troubled with doing some SVN stuff like merging etc. And a lot of people will agree with me on their first experiences. :) I think. While Automated builds take a lot of our time I thought I could plug in with some automated merging and a few other tasks.