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mahesh 1234

JSP Tutorial, JavaServer Pages Technology (JSP) - javatpoint - 0 views

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    JSP Tutorial - Javatpoint website provides you a complete JSP tutorial with practical programming examples and easy steps using this beginner's tutorial containing basic to advanced knowledge of Java JSP Technology including Form Data, HTTP Request Header, Response Header, Scripting elements, Directive elements, Custom tags, Cookies Handling and Session Tracking.
Hendy Irawan

Chapter 6. HTTP Caching - 0 views

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    HttpClient Cache provides an HTTP/1.1-compliant caching layer to be used with HttpClient--the Java equivalent of a browser cache. The implementation follows the Decorator design pattern, where the CachingHttpClient class is a drop-in replacement for a DefaultHttpClient; requests that can be satisfied entirely from the cache will not result in actual origin requests. Stale cache entries are automatically validated with the origin where possible, using conditional GETs and the If-Modified-Since and/or If-None-Match request headers. HTTP/1.1 caching in general is designed to be semantically transparent; that is, a cache should not change the meaning of the request-response exchange between client and server. As such, it should be safe to drop a CachingHttpClient into an existing compliant client-server relationship. Although the caching module is part of the client from an HTTP protocol point of view, the implementation aims to be compatible with the requirements placed on a transparent caching proxy. Finally, CachingHttpClient includes support the Cache-Control extensions specified by RFC 5861 (stale-if-error and stale-while-revalidate).
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