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  Tutorial: Compare JavaServer Pages: Tag Libraries vs. JavaBeans

Java provides developers with JavaServer Pages (JSPs) and Servlets as a superior alternative to traditional CGI programs. The architecture of JSPs provide support for a logical and physical separation between the HTML page designers and the component deve

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Java provides developers with JavaServer Pages (JSPs) and Servlets as a superior alternative to traditional CGI programs. The architecture of JSPs provide support for a logical and physical separation between the HTML page designers and the component developers, who specialize in implementing advanced business logic. Another advantage of a JSP is its ability to implement a custom tag library. These custom tags allow page designers to abstract themselves from a complex set of logic; include this tag and it will have this effect on the web page. Although examples can be located detailing how to build a custom tag library, developers are rarely educated on how to make a proper design decision on which to use, a custom tag library or a JavaBean. The intent of this paper is to discuss the rationale that developers should use when choosing between implementing a custom tag library or utilizing a JavaBean. This paper does not provide detailed and robust examples on how to build JavaBeans and tag libraries for use inside of a JSP, although a .zip file should have accompanied this document with a small, simple example of using both JavaBeans and custom tags inside of a JSP page. Additional white papers will cover implementation issues in a greater depth. It should be noted that this paper assumes that the reader has some knowledge of using JSPs to implement a J2EE Web Application. 2. Custom Tag Library or JavaBean?


 

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Compare JavaServer Pages: Tag Libraries vs. JavaBeans

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