Direct subsystems dependency – Architectural Principles
The preceding direct dependency example divided into packages, which have the same issue, would look like the following: Figure 3.3:...
Project – Dependency inversion – Architectural Principles
In this section, we translate the preceding iteration of the inverted dependency example in code. We create the following assemblies...
Conclusion – Architectural Principles
The core idea is to depend on abstractions. Interfaces are pure contracts, which makes them more flexible than abstract classes....
REST & HTTP – REST APIs
Before you begin: Join our book community on Discord Give your feedback straight to the author himself and chat to...
HTTP methods – REST APIs
HTTP methods, also known as verbs, define the type of action a client can perform on a resource in a...
HTTP headers – REST APIs
REST APIs leverage HTTP headers to transmit clients’ information and describe their options and capabilities. Headers are part of both...
Default versioning strategy – REST APIs
The default strategy is the first thing to consider when versioning an API. What happens when no version is specified?...
Wrapping up– REST APIs
With a method (verb), the client (and the endpoint) can express the intent to create, update, read, or delete an...
Conceptual examples– REST APIs
Conceptually, say that we are building a web application allowing people to register for events. We explore two use cases...
Conclusion– REST APIs
A data transfer object (DTO) allows us to design an API endpoint with specialized input and output instead of exposing...