JSON can be read or mapped to domain objects using two broad categories of APIs: Binding (High-Level) and Streaming (Low-Level).
In the philosophical view of Software development, there exist, two realms that affect the reality of Software: product end and Technology end. These two realms are so closely linked that a change in one leads to change in another field.
Uploading files over web is not an easy task. It involves considerable challenges in developing a solution that works for all file sizes.