Topic 3
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The Sample Application
The examples in each chapter of this topic are tailored to the current discussion and are designed to
elaborate on the implementation of each feature in an easy-to-understand manner. For the most part,
these examples provide a sufficient explanation for the topic they are demonstrating. That said, the
examples appear in isolation and are not based on a real-world scenario, which can make
understanding how the different Spring features work together difficult. To overcome this, we have
built a basic blog application, SpringBlog, that highlights most of the topics discussed in this topic and
shows how the different Spring features work together.
You should note that this application is purposely very simple, and indeed, many of its features were
conceived so we could highlight a particular piece of Spring functionality. Despite its simplicity, the
SpringBlog application demonstrates how a Spring-based application is constructed and how the
components are glued together.
In this chapter, you get to take a peek at the finished SpringBlog application. We then discuss the
Spring features used to implement different parts of the application. This chapter also highlights some
of the decisions we made when designing the SpringBlog application and why we made them. More
than anything, this chapter serves as a road map to the rest of the topic, allowing you to highlight an
area that is important to your own application and immediately identify where that area is covered in
the topic.
Specifically, this chapter covers two main topics:
Requirements of the SpringBlog application: In this section, we discuss the
·
requirements of the SpringBlog application and sneak a peek at the finished
product of these requirements. We also discuss why we chose to include certain
requirements and why we ignored others when we built the sample application.
Implementing the SpringBlog application: In this section, we take a high-level look
·
at how the requirements discussed in the previous section are implemented using
Spring. This section does not go into any detail on the individual Spring features;
instead, it discusses the features generally and points you to other chapters that
contain more complete descriptions.
If you are already comfortable with the design of Spring applications or you already know which
topics are most important to your application, feel free to skip this chapter. If you are completely new to
Spring, reading this chapter will give you a good idea of where the different Spring components fit into
your applications.
Requirements of the SpringBlog Application
When defining the requirements for the SpringBlog application, our main goal was to highlight certain
Spring Framework features in the context of a full application. For this reason, we included a few features,
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