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Questions using software todraw barcode data matrix with asp.net web,windows application iPhone You can contact us at q Software DataMatrix uestions@packtpub.com if you are having a problem with any aspect of the book, and we will do our best to address it..

Introduction This chapter introduces Software DataMatrix Apache MyFaces and its subprojects. At the end of the chapter, you will have an idea about what can be done with MyFaces, and about the role of the several subprojects. We cover the following topics in this chapter: A brief introduction to the Apache MyFaces project Some insights in the history of Apache MyFaces An overview of all of the subprojects of Apache MyFaces.

Introducing Apache MyFaces Apache MyFaces started Software gs1 datamatrix barcode out back in 2002 as the first open source implementation of the JavaServer Faces (JSF) standard. In July 2004, the project became part of Apache as an Apache Incubator project. In February 2005, MyFaces was promoted to a top-level Apache project.

By the time MyFaces was submitted as an Apache project, it was already more than just an implementation of the standard. As the set of components defined by the JSF standard is rather limited, MyFaces went beyond the standard by adding more components and extended versions of the standard components. In April 2006, the extended components were separated from the core JSF implementation.

From that moment, the components are in a subproject called Tomahawk, and the core JSF implementation is in the Core project. Over time, Apache MyFaces was further expanded by other subprojects. Some of them added even more extended components, while others focused on other extended functionalities such as persistence scopes and annotation-based validation.

Support for the use of Facelets, instead of JSP, was also added. 3 focuses on how we can get the most out of MyFaces by using Facelets. In the remaining chapters, we will use Facelets as the view technology.

. Introduction License, community, and support Because it is a part of the Apache project, Apache MyFaces and all of its subprojects are available under the terms of the liberal Apache License, Version 2.0. Judging by the list of companies using MyFaces at the MyFaces wiki (http://wiki.

apache.org/ myfaces/Companies_Using_MyFaces), Apache MyFaces is widely used, worldwide. The MyFaces project as a whole has an active community of developers all over the world.

Many individuals, as well as a number of companies, contribute to the projects. As one of the co-founders of the MyFaces project, the Austrian consulting company, Irian Solutions GmbH, has a large number of employees contributing to the project. The multinational software giant, Oracle Corporation, also has a number of employees contributing mainly to the Trinidad subproject, which was started with a large donation from Oracle.

Good community support for MyFaces and all subprojects is available through the MyFaces user mailing list. Detailed information on this mailing list, as well as a subscription link, can be found at http://myfaces.apache.

org/mail-lists.html. It is good manners to start the subject line of any message to the list with the name of the subproject in square brackets such as [Core] or [Tomahawk].

As with most mailing lists, it is worth searching the history to check if your question has been asked already. A good tool to search the mailing list archives is provided by MarkMail, a link to which is provided at the page mentioned earlier..

MyFaces and Sun JSF RI A lot of application se rvers are using Sun Microsystems JSF Reference Implementation (Sun JSF RI) of the JSF standard, which is also known by its code name, Mojarra. In most cases, it is possible to replace the application server s default JSF implementation with MyFaces; however, this is almost never necessary. As both the Sun JSF RI and MyFaces core implement the same standard, there should not be much difference between using one or the other.

All subprojects of Apache MyFaces should work on both MyFaces Core and Mojarra/Sun JSF RI without any problems. On the other hand, if your application server uses Sun JSF RI by default, switching to MyFaces might be worth considering, especially during the development stage, as MyFaces Core gives a lot more diagnostic and debug information in the server logs than Mojarra does..

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