CHANGELOG.md

v0.15.0-SNASPHOT (unreleased)

• Added Client.fromHttpService to assist with testing.
• Make all case classes final where possible, sealed where not.
• Codec for Server Sent Events (SSE)
• Added JSONP middleware
• Improve Expires header to more easily build the header and support parsing of the header
• Replce lazy Raw.parsed field with a siple null check
• Added support for Zipkin headers
• Upgrade to json4s-3.4.0

v0.14.4 (2016-08-29)

• Don't render trailing "/" for URIs with empty paths
• Avoid calling tail of empty list in /: extractor

v0.14.3 (2016-08-24)

• Follow 301 and 302 responses to POST with a GET request.
• Follow all redirect responses to HEAD with a HEAD request.
• Fix bug where redirect response is disposed prematurely even if not followed.
• Fix bug where payload headers are sent from original request when following a redirect with a GET or HEAD.
• Return a failed task instead of throwing when a client callback throws an exception. Fixes a resource leak.
• Always render Date header in GMT.
• Fully support the three date formats specified by RFC 7231.
• Always specify peer information in blaze-client SSL engines
• Patch upgrades to latest async-http-client, jetty, scalaz, and scalaz-stream

v0.14.2 (2016-08-10)

• Override getMessage in UnexpectedStatus

v0.14.1 (2016-06-15)

• Added the possibility to specify custom responses to MessageFailures
• Address issue with Retry middleware leaking connections
• Fixed the status code for a semantically invalid request to 422 UnprocessableEntity
• Rename json to jsonDecoder to reduce possibility of implicit shadowing
• Introduce the ServerApp trait
• Deprectate onShutdown and awaitShutdown in Server
• Support for multipart messages
• The Path extractor for Long now supports negative numbers
• Upgrade to scalaz-stream-0.8.2(a) for compatibility with scodec-bits-1.1
• Downgrade to argonaut-6.1 (latest stable release) now that it cross builds for scalaz-7.2
• Upgrade parboiled2 for compatibility with shapeless-2.3.x

# v0.14.0 (2016-06-15)

• Recalled. Use v0.14.1 instead.

v0.13.3 (2016-06-15)

• Address issue with Retry middleware leaking connections.
• Pass the reason string when setting the Status for a successful ParseResult.

v0.13.2 (2016-04-13)

• Fixes the CanBuildFrom for RequestCookieJar to avoid duplicates.
• Update version of jawn-parser which contains a fix for Json decoding.

v0.13.1 (2016-04-07)

• Remove implicit resolution of DefaultExecutor in blaze-client.

v0.13.0 (2016-03-29)

• Add support for scalaz-7.2.x (use version 0.13.0a).
• Add a client backed based on async-http-client.
• Encode keys when rendering a query string.
• New entity decoder based on json4s' extract.
• Content-Length now accepts a Long.
• Upgrade to circe-0.3, json4s-3.3, and other patch releases.
• Fix deadlocks in blaze resulting from default executor on single-CPU machines.
• Refactor DecodeFailure into a new RequestFailure hierarchy.
• New methods for manipulating UrlForm.
• All parsed headers get a parse method to construct them from their value.
• Improve error message for unsupported media type decoding error.
• Introduce BlazeClientConfig class to simplify client construction.
• Unify client executor service semantics between blaze-client and async-http-client.
• Update default response message for UnsupportedMediaType failures.
• Add a lenient flag to blazee configuration to accept illegal characters in headers.
• Remove q-value from MediaRange and MediaType, replaced by MediaRangeAndQValue.
• Add address to Server trait.
• Lazily construct request body in Servlet NIO to support HTTP 100.
• Common operations pushed down to MessageOps.
• Fix loop in blaze-client when no connection can be established.
• Privatize most of the blaze internal types.
• Enable configuration of blaze server parser lengths.
• Add trailer support in blaze client.
• Provide an optional external executor to blaze clients.
• Fix Argonaut string interpolation

v0.12.4 (2016-03-10)

• Fix bug on rejection of invalid URIs.
• Do not send Transfer-Encoding or Content-Length headers for 304 and others.
• Don't quote cookie values.

v0.12.3 (2016-02-24)

• Upgrade to jawn-0.8.4 to fix decoding escaped characters in JSON.

v0.12.2 (2016-02-22)

• Upgrade to jawn-0.8.4 to fix decoding escaped characters in JSON. Oops.

v0.12.1 (2016-01-30)

• Encode keys as well as values when rendering a query.
• Don't encode '?' or '/' when encoding a query.

v0.12.0 (2016-01-15)

• Refactor the client API for resource safety when not reading the entire body.
• Rewrite client connection pool to support maximum concurrent connections instead of maximum idle connections.
• Optimize body collection for better connection keep-alive rate.
• Move Service and HttpService, because a Client can be viewed as a Service.
• Remove custom DateTime in favor of java.time.Instant.
• Support status 451 Unavailable For Legal Reasons.
• Various blaze-client optimizations.
• Don't let Blaze IdentityWriter write more than Content-Length bytes.
• Remove identity Transfer-Encoding, which was removed in HTTP RFC errata.
• In blaze, requireClose is now the return value of writeEnd.
• Remove body from Request.toString and Response.toString.
• Move blaze parser into its own class.
• Trigger a disconnect if an ignored body is too long.
• Configurable thread factories for happier profiling.
• Fix possible deadlock in default client execution context.

v0.11.3 (2015-12-28)

• Blaze upgrade to fix parsing HTTP responses without a reason phrase.
• Don't write more than Content-Length bytes in blaze.
• Fix infinite loop in non-blocking Servlet I/O.
• Never write a response body on HEAD requests to blaze.
• Add missing '&' between multivalued k/v pairs in UrlFormCodec.encode

v0.11.2 (2015-12-04)

• Fix stack safety issue in async servlet I/O.
• Reduce noise from timeout exceptions in ClientTimeoutStage.
• Address file descriptor leaks in blaze-client.
• Fix FollowRedirect middleware for 303 responses.
• Support keep-alives for client requests with bodies.

v0.11.1 (2015-11-29)

• Honor connectorPoolSize and bufferSize parameters in BlazeBuilder.
• Add convenient ETag header constructor.
• Wait for final chunk to be written before closing the async context in non-blocking servlet I/O.
• Upgrade to jawn-streamz-0.7.0 to use scalaz-stream-0.8 across the board.

v0.11.0 (2015-11-20)

• Upgrade to scalaz-stream 0.8
• Add Circe JSON support module.
• Add ability to require content-type matching with EntityDecoders.
• Cleanup blaze-client internals.
• Handle empty static files.
• Add ability to disable endpoint authentication for the blaze client.
• Add charset encoding for Argonaut JSON EntityEncoder.

v0.10.1 (2015-10-07)

• Processes render data in chunked encoding by default.
• Incorporate type name into error message of QueryParam.
• Comma separate Access-Control-Allow-Methods header values.
• Default FallThrough behavior inspects for the FallThrough.fallthroughKey.

v0.10.0 (2015-09-03)

• Replace PartialService with the Fallthrough typeclass and orElse syntax.
• Rename withHeaders to replaceAllHeaders
• Set https endpoint identification algorithm when possible.
• Stack-safe ProcessWriter in blaze.
• Configureable number of connector threads and buffer size in blaze-server.

v0.9.3 (2015-08-27)

• Trampoline recursive calls in blaze ProcessWriter.
• Handle server hangup and body termination correctly in blaze client.

v0.9.2 (2015-08-26)

• Bump http4s-websockets to 1.0.3 to properly decode continuation opcode.
• Fix metrics incompatibility when using Jetty 9.3 backend.
• Preserve original headers when appending as opposed to quoting.

v0.9.1 (2015-08-19)

• Fix bug in servlet nio handler.

v0.9.0 (2015-08-15)

• Require Java8.
• StaticFile uses the filename extension exclusively to determine media-type.
• Add / method to Uri.
• Add UrlFormLifter middleware to aggregate url-form parameters with the query parameters.
• Add local address information to the Request type.
• Add a Http method 'or' (|) extractor.
• Add VirtualHost middleware for serving multiple sites from one server.
• Add websocket configuration to the blaze server builder.
• Redefine default timeout status code to 500.
• Redefine the Service arrow result from Task[Option[_]] to Task[_].
• Don't extend AllInstances with Http4s omnibus import object.
• Use UTF-8 as the default encoding for text bodies.
• Numerous bug fixes by numerous contributors!

v0.8.5 (2015-08-26)

• Preserve original headers when appending as opposed to quoting.
• Upgrade to jawn-0.8.3 to avoid transitive dependency on GPL2 jmh

v0.8.4 (2015-07-13)

• Honor the buffer size parameter in gzip middleware.
• Handle service exceptions in servlet backends.
• Respect asyncTimeout in servlet backends.
• Fix prefix mounting bug in blaze-server.
• Do not apply CORS headers to unsuccessful OPTIONS requests.

v0.8.3 (2015-07-02)

• Fix bug parsing IPv4 addresses found in URI construction.

v0.8.2 (2015-06-22)

• Patch instrumented handler for Jetty to time async contexts correctly.
• Fix race condition with timeout registration and route execution in blaze client
• Replace ConcurrentHashMap with synchronized HashMap in staticcontent package.
• Fix static content from jars by avoiding "//" in path uris when serving static content.
• Quote MediaRange extensions.
• Upgrade to jawn-streamz-0.5.0 and blaze-0.8.2.
• Improve error handling in blaze-client.
• Respect the explicit default encoding passed to decodeString.

v0.8.1 (2015-06-16)

• Authentication middleware integrated into the server package.
• Static content tools integrated into the server package.
• Rename HttpParser to HttpHeaderParser and allow registration and removal of header parsers.
• Make UrlForm EntityDecoder implicitly resolvable.
• Relax UrlForm parser strictness.
• Add 'follow redirect' support as a client middleware.
• Add server middleware for auto retrying uris of form '/foo/' as '/foo'.
• Numerous bug fixes.
• Numerous version bumps.

v0.8.0 (2015-06-16)

• Mistake. Go straight to v0.8.1.

v0.7.0 (2015-05-05)

• Add QueryParamMatcher to the dsl which returns a ValidationNel.
• Dsl can differentiate between '/foo/' and '/foo'.
• Added http2 support for blaze backend.
• Added a metrics middleware usable on all server backends.
• Websockets are now modeled by an scalaz.stream.Exchange.
• Add User-Agent and Allow header types and parsers.
• Allow providing a Host header to the blaze client.
• Upgrade to scalaz-stream-7.0a.
• Added a CORS middleware.
• Numerous bug fixes.
• Numerous version bumps.

v0.6.5 (2015-03-29)

• Fix bug in Request URI on servlet backend with non-empty context or servlet paths.
• Allow provided Host header for Blaze requests.

v0.6.4 (2015-03-15)

• Avoid loading javax.servlet.WriteListener when deploying to a servlet 3.0 container.

v0.6.3 (2015-03-15)

• Forgot to pull origin before releasing. Use v0.6.4 instead.

v0.6.2 (2015-02-27)

• Use the thread pool provided to the Jetty servlet builder.
• Avoid throwing exceptions when parsing headers.
• Make trailing slash insignificant in service prefixes on servlet containers.
• Fix mapping of servlet query and mount prefix.

v0.6.1 (2015-02-04)

• Update to blaze-0.5.1
• Remove unneeded error message (90b2f76097215)
• GZip middleware will not throw an exception if the AcceptEncoding header is not gzip (ed1b2a0d68a8)

v0.6.0 (2015-01-27)

http4s-core

• Remove ResponseBuilder in favor of Response companion.
• Allow '';'' separators for query pairs.
• Make charset on Message an Option.
• Add a flatMapR method to EntityDecoder.
• Various enhancements to QueryParamEncoder and QueryParamDecoder.
• Make Query an IndexedSeq.
• Add parsers for Location and Proxy-Authenticate headers.
• Move EntityDecoder.apply to Request.decode and Request.decodeWith
• Move headers into org.http4s.headers package.
• Make UriTranslation respect scriptName/pathInfo split.
• New method to resolve relative Uris.
• Encode query and fragment of Uri.
• Codec and wrapper type for URL-form-encoded bodies.

http4s-server

• Add SSL support to all server builders.

http4s-blaze-server

• Add Date header to blaze-server responses.
• Close connection when error happens during body write in blaze-server.

http4s-servlet

• Use asynchronous servlet I/O on Servlet 3.1 containers.
• ServletContext syntax for easy mounting in a WAR deployment.
• Support Dropwizard Metrics collection for servlet containers.

http4s-jawn

• Empty strings are a JSON decoding error.

http4s-argonaut

• Add codec instances for Argonaut's CodecJson.

http4s-json4s

• Add codec instances for Json4s' Reader/Writer.

http4s-twirl

• New module to support Twirl templates

http4s-scala-xml

• Split scala-xml support into http4s-scala-xml module.
• Change inferred type of scala.xml.Elem to application/xml.

http4s-client

• Support for signing oauth-1 requests in client.

http4s-blaze-client

• Fix blaze-client when receiving HTTP1 response without Content-Length header.
• Change default blaze-client executor to variable size.
• Fix problem with blaze-client timeouts.

v0.5.4 (2015-01-08)

• Upgrade to blaze 0.4.1 to fix header parsing issue in blaze http/1.x client and server.

v0.5.3 (2015-01-05)

• Upgrade to argonaut-6.1-M5 to match jawn. #157

v0.5.2 (2015-01-02)

• Upgrade to jawn-0.7.2. Old version of jawn was incompatible with argonaut. [#157]](http4s#157)

v0.5.1 (2014-12-23)

• Include context path in calculation of scriptName/pathInfo. #140
• Fix bug in UriTemplate for query params with multiple keys.
• Fix StackOverflowError in query parser. #147
• Allow ';' separators for query pairs.

v0.5.0 (2014-12-11)

• Client syntax has evloved and now will include Accept headers when used with EntityDecoder
• Parse JSON with jawn-streamz.
• EntityDecoder now returns an EitherT to make decoding failure explicit.
• Renamed Writable to EntityEncoder
• New query param typeclasses for encoding and decoding query strings.
• Status equality now discards the reason phrase.
• Match AttributeKeys as singletons.
• Added async timeout listener to servlet backends.
• Start blaze server asynchronously.
• Support specifying timeout and executor in blaze-client.
• Use NIO for encoding files.

v0.4.2 (2014-12-01)

• Fix whitespace parsing in Authorization header #87

v0.4.1 (2014-11-20)

• Uri.query and Uri.fragment are no longer decoded. #75

v0.4.0 (2014-11-18)

• Change HttpService form a PartialFunction[Request,Task[Response]] to Service[Request, Response], a type that encapsulates a Request => Task[Option[Response]]
• Upgrade to scalaz-stream-0.6a
• Upgrade to blaze-0.3.0
• Drop scala-logging for log4s
• Refactor ServerBuilders into an immutable builder pattern.
• Add a way to control the thread pool used for execution of a Service
• Modernize the Renderable/Renderer framework
• Change Renderable append operator from ~ to <<
• Split out the websocket codec and types into a seperate package
• Added ReplyException, an experimental way to allow an Exception to encode a default Response on for EntityDecoder etc.
• Many bug fixes and slight enhancements

v0.3.0 (2014-08-29)

• New client API with Blaze implementation
• Upgrade to scalaz-7.1.0 and scalaz-stream-0.5a
• JSON Writable support through Argonaut and json4s.
• Add EntityDecoders for parsing bodies.
• Moved request and response generators to http4s-dsl to be more flexible to other frameworks'' syntax needs.
• Phased out exception-throwing methods for the construction of various model objects in favor of disjunctions and macro-enforced literals.
• Refactored imports to match the structure followed by scalaz.

v0.2.0 (2014-07-15)

• Scala 2.11 support
• Spun off http4s-server module. http4s-core is neutral between server and the future client.
• New builder for running Blaze, Jetty, and Tomcat servers.
• Configurable timeouts in each server backend.
• Replace Chunk with scodec.bits.ByteVector.
• Many enhancements and bugfixes to URI type.
• Drop joda-time dependency for slimmer date-time class.
• Capitalized method names in http4s-dsl.

v0.1.0 (2014-04-15)

• Initial public release.