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Spring Integration Standalone application with Spring Boot

I had earlier blogged about a way to write a standalone Spring Integration application. Spring Boot makes creating this standalone application much simpler. The simple flow was to poll the USGS service providing information about ...
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AES-256 Encryption with Java and JCEKS

Overview Security has become a great topic of discussion in the last few years due to the recent releasing of documents from Edward Snowden and the explosion of hacking against online commerce stores like JC Penny, Sony and Target ...
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Java 8 news

The first release candidates of Java 8, b128 and Java 8 RC2 showed up on February, fixing a serious flaw in the new Comparator API, where its new thenComparing() method had an unnecessary type restriction. The thenComparing() meth ...
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Using Reflection for Testing

I am working on a presentation about the ‘Single Responsibility Principle’, based on my previous post. It take most of my time. In the meantime, I want to share a sample code of how I use to test inner fields in my classes. I ...
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OutOfMemoryError: solution antipatterns

Throughout those years we have kept a close eye on the problems packaged in different flavours of OutOfMemoryError message. Daily digests on new questions on specific keywords via specialised services such as the Google Alerts hav ...
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Invoking APIs using a Web App with OAuth2 and use of JWT – WSO2 API Manager

In this post I am to share my experience and understandings using WSO2 API Manager(API-M) for a very common and useful scenario in the industry. In brief following is the flow. An API is exposed for app developers to be used under ...
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ADF Faces. Immediate custom client events

In this post I am going to focus on ADF Faces Javascript API method to fire a custom event from the client side. For example:                      function cliListener(actionEvent) { ...
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Creating Maven Source and Javadoc Artifacts

Many people are aware of maven source and javadoc artifacts but don’t know why they would want to create them. I was definitely in this camp – I can see why people want this information but it seemed like a relatively ineffici ...
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Creating Sonarqube Projects

Sonarqube (nee Sonar) is da bomb. It’s not something you have to check daily but if you’re serious about quality you’ll check it during sprint planning if not weekly. Check out a sample project at nemo.sonarqube.com, e.g., O ...
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Drools 6 Performance with the PHREAK Algorithm

Drools 6 introduces a new lazy matching algorithm. The details of that algorithm have been covered in two previous blogs:R.I.P. RETE time to get PHREAKY PHREAK Stack Based Evaluations and Backward ChainingThe first article dis ...
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