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Greetings--

Java has such a great infrastructure for internationalization, right?
Anyone? Hey, wait a minute. It's a lot better than some other languages,
with good support for Unicode, and a standards-compliant Locale class
that's used to find appropriate localization files by way of the
ResourceBundle class. All of which is great, but in practice, it still
leaves the developer a lot to do by him- or herself, such as deciding
where to farm out the localizations--everything in one big bundle for the
whole app, or by class so your localizations are more reusable, or
something else?--and when to load them, how to have your code make use of
them, etc. And that's just for the user-facing part of your code. Have you
ever considered internationalizing your log messages, so that users can
help you resolve problems, of if your users are developers themselves and
want to help themselves?

In a new feature article, John Mazzitelli looks at "I18N Messages and
Logging" by way of the i18nlog open source project. "i18nlog allows you to
incorporate internationalized messages into your Java applications by
providing an API to annotate Java classes to identify your i18n messages,
obtain i18n messages from resource bundles in any supported locale, create
localized exceptions whose messages are internationalized, log i18n
messages using any logging framework, automatically generate resource
bundles in any supported locale, [and] automatically generate
help/reference documentation."

http://www.onjava.com/pub/a/onjava/2006/12/06/i18n-messages-and-logging.html

In a feature article from dev2dev, Dhrubojyoti Kayal offers "A Primer on
Spring's Data Access Object (DAO) Framework." "The business components in
J2EE applications typically use the JDBC API to access and change
persistent data in relational databases. This often leads to the mixing of
persistence code with business logic--a bad idea. The Data Access Object
(DAO) design pattern addresses this problem by separating the persistence
logic into data access classes. This article is a primer on DAO design
pattern, highlighting its merits and demerits. It then introduces the
Spring 2.0 JDBC/DAO framework and demonstrates how it elegantly addresses
the drawbacks in traditional DAO design."

http://dev2dev.bea.com/pub/a/2006/10/spring-jdbc-dao.html

In this week's feature article from java.net, Nishanth Sastry unveils some
surprising "Nuances of the Java 5.0 for-each Loop." "I present eleven
short items discussing various nuances of usage, pitfalls to be aware of,
and possible optimizations surrounding the use of the for-each loop. In
the first section, I discuss what kind of iterations are possible with the
for-each. The next section illustrates common programming errors in using
the for-each loop. The final section shows how to write new classes that
can be used as targets of a for-each loop."

http://today.java.net/pub/a/today/2006/11/07/nuances-of-java-5-for-each-loop.html

Recent O'Reilly Network weblogs of interest to Java developers:

Paul Browne: Dear Open Source Santa
http://www.oreillynet.com/onjava/blog/2006/12/dear_open_source_santa.html

Robert Cooper: Child's Play--Off Topic
http://www.oreillynet.com/onjava/blog/2006/12/childs_play_off_topic.html

Dejan Bosanac: Apache XML-RPC 3.0--No thanks
http://www.oreillynet.com/onjava/blog/2006/12/apache_xmlrpc_30_no_thanks.html

Check out more O'Reilly Network Java weblogs at:
http://www.oreillynet.com/onjava/blog/

Please join us again next week.

Chris Adamson, Editor
ONJava.com
cadamson@oreilly.com

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Register for ETel by January 8th and save

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Explore the strategies for taming disruption and exploit opportunities
being created by web telephony innovations.

Register by January 8th and save!
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