JSP™ and XML Integrating XML and Web Services in Your JSP™ Application

Basic Design Concepts

As a rule of thumb, JSP should be used as a presentation layer. This means that the logic within a JSP page should be geared towards only generating the actual formatting of the output. All reusable or modular logic should be pushed into a JavaBean or a tag library. Generally, these modular objects are also referred to as business objects. The term business object is used because business logic should generally be placed into JavaBeans. The reason for this is that moving code into a lower level, such as a JavaBean, makes it reusable across many pages. The other benefit is that the final code in the JSP page will be modular and easier to update and maintain. We will demonstrate this by using a readily available database tag ...