httpcomponents-client/RELEASE_NOTES.txt

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Changes since release 4.0 Alpha 1
* [HTTPCLIENT-618] eliminate class HostConfiguration
Contributed by Roland Weber <rolandw at apache.org>
* [HTTPCLIENT-672] re-sync with API changes in core alpha6-SNAPSHOT
Contributed by Roland Weber <rolandw at apache.org>
Release 4.0 Alpha 1
-------------------
HttpClient 4.0 represents a complete, ground-up redesign and almost a complete
rewrite of the HttpClient 3.x codeline. This release finally addresses several
design flaws that existed since the 1.0 release and could not be fixed without
a major code overhaul and breaking API compatibility.
The HttpClient 4.0 API is still very experimental and is bound to change
during the course of the ALPHA development phase. Several important features
have not yet been ported to the new API.
Architectural changes
---------------------
* Redesign of the HttpClient internals addressing all known
major architectural shortcomings of the 3.x codeline
* Cleaner, more flexible and expressive API
* Better performance and smaller memory footprint due to a more
efficient HTTP transport based on HttpCore. HttpClient 4.0 is
expected to be 10% to 25% faster than HttpClient 3.x codeline
* More modular structure
* Pluggable redirect and authentication handlers
* Support for protocol incerceptors
* Improved connection management
* Improved support for sending requests via a proxy or a chain of
proxies
* Improved handling redirects of entity enclosing requests
* More flexible SSL context customization
* Reduced intermediate garbage in the process of
generating HTTP requests and parsing HTTP responses
-------------------
HttpClient 3.x features that have NOT yet been ported
-------------------
* NTLM authentication scheme
* RFC2965 cookie policy (Cookie2)
* Support for multipart MIME coded entities
-------------------
The following is a list of contributions tracked in JIRA.
Note that this is not a complete list of contributions or changes.
Since the API was redesigned completely, tracking everything outside
of the source code repository would have been too burdensome.
* [HTTPCLIENT-655] User-Agent string no longer violates RFC
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-541] Virtual host API redesign
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-614] Allow for different strategies when checking
CN of x509 certificates
Contributed by Julius Davies <juliusdavies at gmail.com>
* [HTTPCLIENT-136] Fixed inadequate proxy support
Long standing architectural problem. Issue opened on 19/Dec/2002.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-63] Support for pluggable redirect and authentication handlers
Long standing architectural problem. Issue opened on 15/Jul/2002.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-245] Fixed redirect handling. HttpClient can now automatically
handle redirects of entity enclosing requests.
Long standing architectural problem. Issue opened on 14/Jul/2003.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-613] HTTPS connections now verify CN of x509 certificates
Contributed by Julius Davies <juliusdavies at gmail.com>
* [HTTPCLIENT-497] Wire/header logger names consistent with class loggers
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-484] AuthSSLProtocolSocketFactory in the main distribution
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-589] Do not consume the remaining response content if
the connection is to be closed
Contributed by Roland Weber <rolandw at apache.org>
* [HTTPCLIENT-475] Support for unconnected sockets. HTTP requests can now be
aborted while network socket is still being connected.
Contributed by Roland Weber <rolandw at apache.org>