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Linux Programming: Enhydra 3.0: Bringinng XML and Java to Linux Development

Apr 27, 2000, 17:54 (2 Talkback[s])
(Other stories by Eric Foster-Johnson)

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"Enhydra provides an interesting mix of do-it-yourself and standards-based technology. It supports emerging Java standards but at the same time promotes home-grown proprietary technology. (Note: even though Enhydra uses proprietary technology, it is still an Open-Source product. The full source code is available for all the pieces.) For example, Enhydra supports the Java Servlet 2.2 API and will, in the upcoming version 4.0, support Enterprise Java Beans. But, Enhydra also provides its own proprietary technology, especially with the xmlc compiler. Using xmlc takes you out of the mainstream of Java standards technology and into Enhydra-only space. This could be a real issue, except that Enhydra includes the full source code, allowing you to better deal with the proprietary Enhydra-only technology."

"It's clear that Enhydra was really designed for making Enhydra Java applications, not standards-based Java Web applications. This isn't a complaint, just an observation. You really need to be aware of what Enhydra offers before you go too far down a path. If you need Enterprise Java Beans, then this probably isn't the product for you."

"Enhydra excels at creating portal sites or sites where the look of the Web pages frequently changes. Because you can design the HTML pages separately from the code, your application is far more insulated from major changes to the output look and feel than with other Java servlet approaches."

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