Every servlet and filter in a context has access to the context parameters defined in the context web.xml file. The context object provides a getInitParameter() function that takes a std::string name and returns the contents of the initialization parameter by that name. The code sample below shows a servlet retrieving the initialization parameters from the context-param element shown in Section 4.7
std::string message =
getServletContext().getInitParameter("message");
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If the context does not contain a context parameter with the name provided, the getInitParameter() function returns an empty string.
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