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Easy Learn Java: Programming Articles, Examples and Tips - Page 443


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Question: What is the force driving gurus to come for portlets?

Go to all tips in JSP, Servlets

Question: What is the force driving gurus to come for portlets? Is there any job servlets can not do while portlets can, I think the answer will be yes, but what are the jobs?



Answer: Many portlets split the job of one servlet.

In most (if not all) porlet frameworks there is one frontcontroller servlet which splits up the request dynamically (based on configurations) to the portlets being shown.

The configuration aspect is nice, as you can adjust at runtime which portlet to show to which user role with a portal admin etc.

1. Portlets have a more intuitive api. doView, doEdit, and processAction are more along the lines of how a portlet is written.
2. The ability to store and retrieve per-user preferences saves developers a huge amount of work. Doing this in a servlet environment would mean writing your own persistence logic.


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Posted by jalex on Tuesday, March 21, 2006 (01:00:00) (2065 reads)

Allatori Java Obfuscator

Go to all tips in Java Tools
The Russian company Smardec, a creator of software oriented to the needs of the programmers working with Java technology has released its new product Allatori Obfuscator, a Java obfuscator of the second generation. Meeting recent trends and ideas in the domain of Java code protection, Allatori possesses great arsenal which can guarantee that any malefactors attempts to decompile any application protected by the obfuscator will be stopped. In the Allatori function set there are the following protection methods:
1. Name Obfuscation
2. Flow Obfuscation
3. Debug Info Obfuscation
4. String Encryption
5. Watermarking

Speaking of additional features Stack Trace Utility must be noted. It is supplied together with the obfuscator and is meant to make obfuscated Debug Information comprehensible and adequate. Besides a program module must be mentioned, which was worked out on the basis of the data received as a result of a long and thorough study of modern decompilers. The module uses information about decompilers work faults for creating special insertions into an obfuscated code. When encountering such an insertion (and its different for each decompiler), there happens a exception in a decompiler work which leads to the failure of the decompilation process. So, for the majority of hackers, that use standard decompilers, your code turns out to be absolutely - 100% - safe, because the correct decompilation becomes impossible.

And finally, Allatori Obfuscator was designed to suit any automated build environment. It's command line interface can be seamlessly integrated into build scripts. Moreover, Smardec have made the integration with Apache Ant build tool. Allatori comes with Ant interface and can be used as any other Ant task.

Everyone can visit the website www.allatori.com, where they can find complete information about Allatori Obfuscator. Its detailed description, distinguishing features and performance attributes, as well as constantly updated section FAQ are available at the website.
1483 bytes more | comments? | Printer Friendly Page  Send to a Friend | Score: 0
Posted by jalex on Monday, March 20, 2006 (00:15:00) (2364 reads)

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