1 became another major step in the development of the framework.
It came with Dojo JavaScript toolkit built into it, and as a result it made AJAX
functionality easily available to Tapestry developers. It looks like version 4.1 will
stay here for a while and allow many people to benefit from using it for building
their web applications. It still has a few places where it could be streamlined or
enhanced, but, it is a powerful and developer friendly framework.
Very soon however, it became clear that Howard Lewis Ship was working on a
completely new, fifth version of Tapestry, and that version was not just a step, but
a quantum leap forward. Tapestry 5 was created from scratch, and on one side, it
incorporated all the best ideas accumulated by Tapestry developers over the years,
while on the other side it got rid of those solutions that proved to be obsolete or
inefficient. Needless to say that neither Tapestry 3 nor Tapestry 4 were compatible
with Tapestry 5, although their approach was very similar.
Chapter 1
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Tapestry 5 is a truly contemporary framework. It was specifically designed to be
extremely developer friendly. Page classes are now POJOs (Plain Old Java Objects),
since they do not need to inherit from any framework-specific classes, and we have
more freedom in choosing how to implement them.
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