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Polling an http end point using Spring Integration

It is a little non-intuitive if you want to write a flow with Spring Integration which polls an http end point and gathers some content from the http end point for further processing. Spring ...
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Chain of responsibility using Spring @Autowired List

There is a way in Spring 3.1 to auto populate a typed List which is very handy when you want to push a bit the decoupling and the cleaning in your code. To show you how it works, I ...
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IBM AIX: Java process size monitoring

This article will provide you with a quick reference guide on how to calculate the Java process size memory footprint for Java VM processes running on IBM AIX 5.3+ OS. This is a complementary ...
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Java Annotations Tutorial with Custom Annotation

Java Annotations provide information about the code and they have no direct effect on the code they annotate. In this tutorial, we will learn about Java annotations, how to write custom ...
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Google Guava Concurrency – ListenableFuture

In my last post I covered using the Monitor class from the com.google.common.util.concurrent package in the Guava Library. In this post I am going to continue my coverage of Guava concurrency ...
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Permissions in OSGi

In a previous post, we looked at implementing a sandbox for Java applications in which we can securely run mobile code. This post looks at how to do the same in an OSGi environment.OSGi The ...
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Using Jasper Reports to create reports in Java

Last week I was trying to create a report using Jasper. In this post I will document some of the resources and links so that it will be useful for any one looking for similar information. I ...
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MyBatis Tutorial – CRUD Operations and Mapping Relationships – Part 2

To illustrate we are considering the following sample domain model: There will be Users and each User may have a Blog and each Blog can contain zero or more posts. The Database structure ...
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Google Guava – Synchronization with Monitor

The Google Guava project is a collection of libraries that every Java developer should become familiar with. The Guava libraries cover I/O, collections, string manipulation, and concurrency ...
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Java Intrinsics and Performance

The original question was How to count the number of 1′s a number will have in binary? I included a performance comparison of using Integer.bitCount() which can be turned into ...
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