|By John Fronckowiak||
|July 1, 1997 12:00 AM EDT||
What Is The AFC?
I know that football season is right around the corner, but you're not going to find an in-depth analysis of football's weaker conference here. The Application Foundation Classes, or AFC, are Microsoft's answer to the Abstract Windowing Toolkit (AWT). The AFC builds on the AWT foundation to provide more user-friendly controls for your applications. The AFC is currently available only as a preview release and requires a Java 1.02 or 1.1 compatible compiler and Virtual Machine.
Last month, I showed you how to obtain, install and use the latest Java SDK 2.0 from Visual J++. You'll need to get the Java SDK 2.0 to begin using the Application Foundations Classes. The Java SDK 2.0 currently is available in a preview release. Check out the Microsoft Java SDK Web site at http://www.microsoft.com/java for the latest information.
The Application Foundation Classes are provided in three packages:
The User Interface package is the heart of the AFC. The focus here will be on how to begin to integrate the User Interface package into your own applications. I'll take a closer look at the FX and Resource packages in the near future.
The Application Foundation Classes are built on the foundation laid by the AWT. If you're already familiar with using the AWT, much of what you already know will remain familiar. Figure 1 illustrates the Application Foundation Class Hierarchy. The class names preceded by an asterisk (*) are AWT classes. As you can see, all of the Application Foundation Classes are extended from these base AWT classes. Figure 2 illustrates the class hierarchy of the user interface elements provided by the Application Foundation Classes. Many of these elements will be familiar to those familiar with AWT (i.e., button, check boxes, radio button) while others were not previously available (i.e., tree control, marquee).
AWT and AFC Compared
Before you think, "Here goes Microsoft again, trying to usurp yet another piece of the Java world", let's take a closer look. The Application Foundation Classes are built upon and extend the AWT, making it possible to mix both user interface models in your applications, which helps to preserve your user interface investment in your current applications and ease the transition over to a new programming model. Other user interface class models usually force a developer to choose between the AWT and another library.
Like the AWT, the Application Foundation Classes are written completely in Java, making them completely cross platform-independent. They provide new and better scroll bars and sliders, a tree control, a tab display, the ability to move through the user interface using just the keyboard and a file system explorer. The Application Foundation Classes permit the development of applications with user interfaces that are familiar to users of traditional Windows-based applications.
How To Use The AFC
Building Java applications with the Application Foundation Classes is no different from building your applications using the AWT. Instead of using the Applet and Frame classes, the UIApplet and UIFrame classes are substituted instead. Since the UIApplet and UIFrame classes are extended from the AWT Applet and Frame classes, it is possible to mix both AWT and Application Foundation Classes components. Listing 1 demonstrates how to create a shell AFC applet. Listing 2 demonstrates how to call the HTML necessary to call the shell applet. The AFC can also be used to create standalone applications. Listing 3 demonstrates how to create a standalone shell application using the Application Foundation Classes. Remember, you-ll need to have the Microsoft Java SDK 2.0 preview version installed and have your Visual J++ environment configured to use the pre-release version of the compiler. I described how to configure your Visual J++ environment to use the new version of the compiler in detail last month. In its current release, the Application Foundation Classes support both the traditional event handling model as used in these examples and the event delegation model supported by Java 1.1.
The Application Foundation Classes are available as part of the Microsoft Java SDK 2.0 on the Microsoft Java Web site, http://www.microsoft.com/java. If you're looking to use the Application Foundation Classes on non-Windows based platforms, the classes are also provided separately. Since the new compiler and the Application Foundation Classes are still pre-release versions, a few bugs still exist and they aren't optimized yet for full production use. The final version of the Application Foundation Classes is scheduled to ship with Internet Explorer Version 4.0 later this year.
It's clear that the Application Foundation Classes will play an increasingly important role in the development of Java applications from a Microsoft perspective. It's uncertain if the Application Foundation Classes will win over the hearts and minds of all Java developers - given the current state of relations between Microsoft, Sun and JavaSoft. The Application Foundation Classes do provide a number of user interface elements that allow developers to create applications with familiar user interfaces (at least to Windows users). I'm sure that when the Application Foundation Classes and the Java SDK 2.0 are released in their final form, Microsoft will provide Visual J++ wizards which help to automate the process of creating applications and applets which use the Application Foundation Classes.
Microsoft currently does not plan on releasing the source code for the Application Foundation Classes. The plan is to make up for the lack of source code with documentation and support. This stance may hurt the Application Foundation Classes- chances of gaining wider acceptance; stay tuned though, this story is just beginning.
Next Month: Using Application Foundation Class User Interface Controls.
Internet of @ThingsExpo, taking place November 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with 19th Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading industry players in the world. The Internet of Things (IoT) is the most profound change in personal and enterprise IT since the creation of the Worldwide Web more than 20 years ago. All major researchers estimate there will be tens of billions devices - comp...
Sep. 29, 2016 11:15 AM EDT Reads: 5,126
DevOps at Cloud Expo, taking place Nov 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with 19th Cloud Expo and will feature technical sessions from a rock star conference faculty and the leading industry players in the world. The widespread success of cloud computing is driving the DevOps revolution in enterprise IT. Now as never before, development teams must communicate and collaborate in a dynamic, 24/7/365 environment. There is no time to wait for long dev...
Sep. 29, 2016 11:00 AM EDT Reads: 3,502
Cloud computing is being adopted in one form or another by 94% of enterprises today. Tens of billions of new devices are being connected to The Internet of Things. And Big Data is driving this bus. An exponential increase is expected in the amount of information being processed, managed, analyzed, and acted upon by enterprise IT. This amazing is not part of some distant future - it is happening today. One report shows a 650% increase in enterprise data by 2020. Other estimates are even higher....
Sep. 29, 2016 11:00 AM EDT Reads: 4,164
The Jevons Paradox suggests that when technological advances increase efficiency of a resource, it results in an overall increase in consumption. Writing on the increased use of coal as a result of technological improvements, 19th-century economist William Stanley Jevons found that these improvements led to the development of new ways to utilize coal. In his session at 19th Cloud Expo, Mark Thiele, Chief Strategy Officer for Apcera, will compare the Jevons Paradox to modern-day enterprise IT, e...
Sep. 29, 2016 11:00 AM EDT Reads: 2,386
What happens when the different parts of a vehicle become smarter than the vehicle itself? As we move toward the era of smart everything, hundreds of entities in a vehicle that communicate with each other, the vehicle and external systems create a need for identity orchestration so that all entities work as a conglomerate. Much like an orchestra without a conductor, without the ability to secure, control, and connect the link between a vehicle’s head unit, devices, and systems and to manage the ...
Sep. 29, 2016 11:00 AM EDT Reads: 288
In this strange new world where more and more power is drawn from business technology, companies are effectively straddling two paths on the road to innovation and transformation into digital enterprises. The first path is the heritage trail – with “legacy” technology forming the background. Here, extant technologies are transformed by core IT teams to provide more API-driven approaches. Legacy systems can restrict companies that are transitioning into digital enterprises. To truly become a lea...
Sep. 29, 2016 11:00 AM EDT Reads: 386
What are the new priorities for the connected business? First: businesses need to think differently about the types of connections they will need to make – these span well beyond the traditional app to app into more modern forms of integration including SaaS integrations, mobile integrations, APIs, device integration and Big Data integration. It’s important these are unified together vs. doing them all piecemeal. Second, these types of connections need to be simple to design, adapt and configure...
Sep. 29, 2016 10:45 AM EDT Reads: 437
19th Cloud Expo, taking place November 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, will feature technical sessions from a rock star conference faculty and the leading industry players in the world. Cloud computing is now being embraced by a majority of enterprises of all sizes. Yesterday's debate about public vs. private has transformed into the reality of hybrid cloud: a recent survey shows that 74% of enterprises have a hybrid cloud strategy. Meanwhile, 94% of enterpri...
Sep. 29, 2016 10:30 AM EDT Reads: 4,441
SYS-CON Events announced today that CDS Global Cloud, an Infrastructure as a Service provider, will exhibit at the 19th International Cloud Expo, which will take place on November 1–3, 2016, at the Santa Clara Convention Center in Santa Clara, CA. CDS Global Cloud is an IaaS (Infrastructure as a Service) provider specializing in solutions for e-commerce, internet gaming, online education and other internet applications. With a growing number of data centers and network points around the world, ...
Sep. 29, 2016 10:30 AM EDT Reads: 2,976
Information technology is an industry that has always experienced change, and the dramatic change sweeping across the industry today could not be truthfully described as the first time we've seen such widespread change impacting customer investments. However, the rate of the change, and the potential outcomes from today's digital transformation has the distinct potential to separate the industry into two camps: Organizations that see the change coming, embrace it, and successful leverage it; and...
Sep. 29, 2016 10:30 AM EDT Reads: 1,232
In his general session at 18th Cloud Expo, Lee Atchison, Principal Cloud Architect and Advocate at New Relic, discussed cloud as a ‘better data center’ and how it adds new capacity (faster) and improves application availability (redundancy). The cloud is a ‘Dynamic Tool for Dynamic Apps’ and resource allocation is an integral part of your application architecture, so use only the resources you need and allocate /de-allocate resources on the fly.
Sep. 29, 2016 10:30 AM EDT Reads: 2,893
Major trends and emerging technologies – from virtual reality and IoT, to Big Data and algorithms – are helping organizations innovate in the digital era. However, to create real business value, IT must think beyond the ‘what’ of digital transformation to the ‘how’ to harness emerging trends, innovation and disruption. Architecture is the key that underpins and ties all these efforts together. In the digital age, it’s important to invest in architecture, extend the enterprise footprint to the cl...
Sep. 29, 2016 10:15 AM EDT Reads: 598
There are several IoTs: the Industrial Internet, Consumer Wearables, Wearables and Healthcare, Supply Chains, and the movement toward Smart Grids, Cities, Regions, and Nations. There are competing communications standards every step of the way, a bewildering array of sensors and devices, and an entire world of competing data analytics platforms. To some this appears to be chaos. In this power panel at @ThingsExpo, moderated by Conference Chair Roger Strukhoff, Bradley Holt, Developer Advocate a...
Sep. 29, 2016 10:15 AM EDT Reads: 2,365
SYS-CON Events announced today that LeaseWeb USA, a cloud Infrastructure-as-a-Service (IaaS) provider, will exhibit at the 19th International Cloud Expo, which will take place on November 1–3, 2016, at the Santa Clara Convention Center in Santa Clara, CA. LeaseWeb is one of the world's largest hosting brands. The company helps customers define, develop and deploy IT infrastructure tailored to their exact business needs, by combining various kinds cloud solutions.
Sep. 29, 2016 10:15 AM EDT Reads: 3,296
WebRTC is bringing significant change to the communications landscape that will bridge the worlds of web and telephony, making the Internet the new standard for communications. Cloud9 took the road less traveled and used WebRTC to create a downloadable enterprise-grade communications platform that is changing the communication dynamic in the financial sector. In his session at @ThingsExpo, Leo Papadopoulos, CTO of Cloud9, discussed the importance of WebRTC and how it enables companies to focus...
Sep. 29, 2016 10:00 AM EDT Reads: 2,280
Internet of @ThingsExpo has announced today that Chris Matthieu has been named tech chair of Internet of @ThingsExpo 2016 Silicon Valley. The 6thInternet of @ThingsExpo will take place on November 1–3, 2016, at the Santa Clara Convention Center in Santa Clara, CA.
Sep. 29, 2016 10:00 AM EDT Reads: 2,703
A strange thing is happening along the way to the Internet of Things, namely far too many devices to work with and manage. It has become clear that we'll need much higher efficiency user experiences that can allow us to more easily and scalably work with the thousands of devices that will soon be in each of our lives. Enter the conversational interface revolution, combining bots we can literally talk with, gesture to, and even direct with our thoughts, with embedded artificial intelligence, wh...
Sep. 29, 2016 10:00 AM EDT Reads: 3,903
Big Data has been changing the world. IoT fuels the further transformation recently. How are Big Data and IoT related? In his session at @BigDataExpo, Tony Shan, a renowned visionary and thought leader, will explore the interplay of Big Data and IoT. He will anatomize Big Data and IoT separately in terms of what, which, why, where, when, who, how and how much. He will then analyze the relationship between IoT and Big Data, specifically the drilldown of how the 4Vs of Big Data (Volume, Variety,...
Sep. 29, 2016 10:00 AM EDT Reads: 1,164
Ask someone to architect an Internet of Things (IoT) solution and you are guaranteed to see a reference to the cloud. This would lead you to believe that IoT requires the cloud to exist. However, there are many IoT use cases where the cloud is not feasible or desirable. In his session at @ThingsExpo, Dave McCarthy, Director of Products at Bsquare Corporation, will discuss the strategies that exist to extend intelligence directly to IoT devices and sensors, freeing them from the constraints of ...
Sep. 29, 2016 09:45 AM EDT Reads: 2,647
Technology vendors and analysts are eager to paint a rosy picture of how wonderful IoT is and why your deployment will be great with the use of their products and services. While it is easy to showcase successful IoT solutions, identifying IoT systems that missed the mark or failed can often provide more in the way of key lessons learned. In his session at @ThingsExpo, Peter Vanderminden, Principal Industry Analyst for IoT & Digital Supply Chain to Flatiron Strategies, will focus on how IoT de...
Sep. 29, 2016 09:45 AM EDT Reads: 1,206