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Java Enterprise Best Practices
book

Java Enterprise Best Practices

by O'Reilly Java Authors
December 2002
Intermediate to advanced content levelIntermediate to advanced
288 pages
9h 46m
English
O'Reilly Media, Inc.
Content preview from Java Enterprise Best Practices

Chapter 9. JSP Best Practices

Hans Bergsten

The JavaServer Pages (JSP) specification was developed to simplify the creation and maintenance of web user interfaces for Java 2 Enterprise Edition (J2EE) applications. A JSP page is a regular web page with markup elements (such as HTML or WML), plus additional JSP elements that control the dynamic parts of the page—for instance, filling a table with data retrieved from a data source at runtime. JSP pages eliminate the need to generate the user interface markup elements with out.println( ) statements in servlets—the approach used in early server-side Java web applications—and make it easier to split the development between page authors (user interface developers) and Java programmers.

The basic idea behind JSP is easy to understand, and it’s easy to start using the technology, but it’s not always obvious how to apply it efficiently, especially for large-scale applications. Because JSP lets you place logic directly in your web pages, it’s also easy to abuse the technology; what might seem like time-saving shortcuts early in a project can easily lead to debugging and maintenance nightmares, poor scalability, and an application that’s hard to extend as new requirements surface. This chapter offers recommendations for how to use JSP effectively and provides solutions to common issues.

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Publisher Resources

ISBN: 0596003846Supplemental ContentErrata Page