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Is AspectJ Still Useful for Android? Part 2

In the first part of this post, I showed some ways that AspectJ would be useful in android development when it comes to testing. This final part demonstrates one way of incorporating AspectJ, and how I manage to make the aspect weaving somewhat configurable in the build process. Android + AspectJ A search on the internet will show that there are various ...

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Is AspectJ Still Useful for Android? Part 1

For Java projects I sometimes use AspectJ for various tasks, but for Android projects I initially decided against using it. There were various reasons for that: The structure of an Android project, and its build process, was already a lot more complicated and slower than for generic Java projects.For Android development, only compile time weaving is supported for AspectJ, which ...

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Android Studio 3.0 – Initial Impressions of Tool Support

I have been using Android Studio 3.0 since since the alpha versions, and it is good to see it finally released. This is just some initial comments on using some common and new Android tools and libraries with the 3.0 version of Android Studio and the associated Android Gradle plugin. Hopefully this will be useful for anyone thinking of upgrading ...

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Spring Test Context Caching + AspectJ @Transactional + Ehcache pain

Are you using AspectJ @Transactionals and Spring? Do you have multiple SessionFactory’s maybe one for an embedded database for unit testing and one for the real database for integration testing? Are you getting one of these exceptions? org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.service.UnknownServiceException: Unknown service requested or java.lang.NullPointerException at net.sf.ehcache.Cache.isKeyInCache(Cache.java:3068) at org.hibernate.cache.ehcache.internal.regions.EhcacheDataRegion.contains(EhcacheDataRegion.java:223) Then you ...

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Java: Exception translation with AspectJ

Within this blog post I describe how you can use AspectJ to automatically translate one type of exception to another. The problem Sometimes we are in situations where we have to convert an exception (often thrown by a third-party library) to another type of exception. Assume you are using a persistence framework like hibernate and you do not want to ...

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Project Student: Simplifying Code With AOP

This is part of Project Student. Many people strongly believe that methods should fit within your editor window (say, 20 lines), and some people believe that methods should be even smaller than that. The idea is that a method should do one thing and only one thing. If it does more than that it should be broken apart into multiple ...

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Integrate AspectJ with NetBeans Platform Development

Are you developing your project using the NetBeans Platform? Are you willing to use AspectJ to use AOP? You do not know how to integrate the AspectJ compiler into the builds of NetBeans? If your answer is yes, this post is for you. I decided to write this technical post because I have been struggling some time before to find ...

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Auditing a Spring MVC Webapp with AspectJ. Part 2

spring-interview-questions-answers

Now, this is the blog you want to read if you’re interested in creating a Spring MVC Webapp that uses Aspect Oriented Programming (AOP) in the form of Aspectj’s @Aspect and @Before annotations to audit a user’s visit to a screen. As I said in my last blog auditing a user’s visits to a screen is one of those few ...

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Auditing a Spring MVC Webapp with AspectJ. Part 1

If you’re like me, then you’ll have those kinds of programming days where everything seems to go incredibly well. You write the code and the tests and it just works. And then and there are those other kinds of days, the really bad ones, where you know that everything you’ve written is as right as it can be and the ...

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