After receiving a site ID from the SiteContextPipelineServlet, the /atg/multisite/SiteContextManager uses it to create a SiteContext component for the current request by calling getSiteContext(). The SiteContext component gives the current request thread access to site properties, and provides a mechanism for storing and retrieving transient attributes related to that site.

After the SiteContext component is created, the SiteContextPipelineServlet then calls the following methods on the SiteContextManager:

Subsequent calls to SiteContextManager.getCurrentSite() return this SiteContext. Also, if a request resolves a reference to the component at /atg/multisite/SiteContext, it receives an implementation of SiteContext that routes all method calls to the SiteContext returned by SiteContextManager.getCurrentSite().

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