java.net: Multithreaded Tests with JUnit
Multithreaded Tests with JUnit by N. Alex Rupp 08/06/2003 JUnit is the glue that holds many open source projects together. But JUnit has problems performing multithreaded unit tests. This creates considerable difficulty for middleware developers in the open source J2EE market. This article introduces GroboUtils, a JUnit extension library designed to address this problem and enable multithread
java.net: Building Web Applications with Maven 2
You may have heard of Maven 2--it's often touted by technologists as a replacement for Ant. You may have even taken some time to browse around on the Maven 2 site, but maybe the documentation has left you a little bit unclear on where and how to go about getting started. In this article, we will take a look at using Maven 2 to help build a simple web application (a bit of business logic in a JAR a
java.net: Continuous Integration with Continuum
"Integrate early, integrate often." This is the underlying principle of continuous integration, a powerful development practice recently brought into the spotlight by the Agile methodologies. Apache Continuum is a flexible, easy-to-use tool that can help you put continuous integration into action. In this article, we will go through the basic principals of continuous integration, and then focus o
java.net: Using Dojo and JSON to Build Ajax Applications
"Ajax" is a buzzword that is gaining momentum and popularity. Applications such as Gmail and Google Suggest serve as massive advertisements for asynchronous JavaScript. As users gain familiarity and their expectations increase, the demand for such interfaces is rising. In this article, I will show how to build Ajax-enabled applications using Dojo and JSON--two very different but complementary tech
java.net: Exception-Handling Antipatterns
Should you throw an exception, or return null? Should you use checked or unchecked exceptions? For many novice to mid-level developers, exception handling tends to be an afterthought. Their typical pattern is usually a simple try/catch/printStackTrace(). When they try to get more creative, they usually stumble into one or more common exception handling antipatterns. The antipattern concept became
IoC Container Face-Off
Within the web world, you won't find too many web applications that aren't built on top of the likes of Model View Controller, Business Delegate, Session Facade, Data Access Object, or other patterns these days. These patterns have been used to form architectures that attempt to provide a stronger foundation for our applications. By utilizing some of these patterns together, we avoid the prob
java.net: Create a Simple IoC Container Using Annotations
Annotations, introduced in Java 5.0, allow you to add metadata to your code and then reuse the information it contains at compile time or at run time. In this article, you will see how to use annotations to automatically resolve component dependencies. This can help to build a flexible container that can be used to inject dependencies into the custom components. Inversion of Control (IoC), or Depe
java.net: Unit Testing Hibernate Mapping Configurations
In the last few years, Hibernate has become one of the most popular Java open source frameworks available. However, developers don't always remember that the mapping files that drive Hibernate's behavior are as much a part of the program as the Java code. These files can contain defects, behave unexpectedly, and break when you change other parts of your system. In this article, I will show
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Embedded Integration Testing of Web Applications | Java.net
java.net: Architecture of a Highly Scalable NIO-Based Server