Resource Handling
There are two layers in SAPUI5 which are responsible for resource handling and which work completely independent from each other: The client side and the server side.
The resource handling of SAPUI5 is separated in two parts - a client-side and a server-side resource handling.
SAPUI5 provides resource handlers for different servers. The main purpose of the server-side resource handlers is to provide access to the SAPUI5 libraries. It improves the interaction between client and server, for example in providing a server-side locale fallback for the language, which helps to avoid multiple requests to get the correct language. It is also used to support modularized development of SAPUI5 applications and libraries.The Java resource handler is aligned with the concept of the JavaServer Faces.
On the client-side SAPUI5 provides the following mechanisms to manage resources:
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It supports localization of application texts with resource bundles.
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It allows to modularize the JavaScript files.
Both concepts are loading additional resources from a server where this server might be any kind of web server. It does not depend on any server side technology.