Alex Nhu

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Top Stories by Alex Nhu

Flex has gotten popular lately because of its rich GUI capabilities. It also comes in handy with HTTPService and Web Service components connecting to back-end servers to fetch and update data. But using this mechanism to talk to the back-end server requires formulating a unique service object from the Flex side, making a request, and getting back data from the back-end either in XML or plain text format. The response data then has to be parsed and fed to the Flex objects to update the UI. For small to medium-size Flex projects it's a viable solution, but for enterprise projects with thousands of external service calls it will get quite repetitive and could result in a lot of unmanageable, buggy code. The approach discussed here provides a more intuitive solution to generate ActionScript classes on the Flex side that are direct counterparts of the enterprise object ... (more)

A New Way to Look at Portals

Historically, the progress of Web-based applications and the diverse nature of information from different Web applications ushered in the need to unify content to a single point of access: the Web portals. There are several Web portal frameworks being developed in both the J2EE and .NET camp to unify Web content and provide end users with a more efficient environment to interact with the Web. The portal technology is based on the notion of a portal container that provides the basic infrastructure to host a load of disparate applications wrapped up as portlets. To facilitate cros... (more)

A Runtime Integration Approach to Application Development

Historically we have seen the success of plug-in based products like Mozilla Firefox and Eclipse IDE where new content can be plugged-in at runtime to augment software functionality.  In plug-in based architecture there is always a base container implementation where other components are added as plug-ins to extend its functionality; however, in these solutions there are no extension points exposed in added plug-in components to interact or bind them together. In this article I discuss the details of a pattern that is a hybrid of plug-in and event-driven architecture to integrate... (more)