# Package org.apache.hc.client5.http.protocol

HTTP protocol interceptors that enable advanced functionality such as HTTP state management and authentication state caching.

See: Description

Interface Summary
Interface | Description
--- | ---
RedirectStrategy | A strategy for determining if an HTTP request should be redirected to a new location in response to an HTTP response received from the target server.

Class Summary
Class | Description
--- | ---
HttpClientContext | Adaptor class that provides convenience type safe setters and getters for common `HttpContext` attributes used in the course of HTTP request execution.
RedirectLocations | This class represents a collection of `URI`s used as redirect locations.
RequestAddCookies | Request interceptor that matches cookies available in the current `CookieStore` to the request being executed and generates corresponding `Cookie` request headers.
RequestAuthCache | Request interceptor that can preemptively authenticate against known hosts, if there is a cached `AuthScheme` instance in the local `AuthCache` associated with the given target or proxy host.
RequestClientConnControl | This protocol interceptor is responsible for adding the `Connection` header to the outgoing requests, which is essential for managing persistence of `HTTP/1.0` connections.
RequestDefaultHeaders | Request interceptor that adds default request headers.
RequestExpectContinue | RequestExpectContinue is responsible for enabling the 'expect-continue' handshake by adding `Expect` header.
ResponseProcessCookies | Response interceptor that populates the current `CookieStore` with data contained in response cookies received in the given the HTTP response.

## Package org.apache.hc.client5.http.protocol Description

HTTP protocol interceptors that enable advanced functionality such as HTTP state management and authentication state caching.