3.7 KiB
3.7 KiB
go-restful
package for building REST-style Web Services using Google Go
REST asks developers to use HTTP methods explicitly and in a way that's consistent with the protocol definition. This basic REST design principle establishes a one-to-one mapping between create, read, update, and delete (CRUD) operations and HTTP methods. According to this mapping:
- GET = Retrieve a representation of a resource
- POST = Create if you are sending content to the server to create a subordinate of the specified resource collection, using some server-side algorithm.
- PUT = Create if you are sending the full content of the specified resource (URI).
- PUT = Update if you are updating the full content of the specified resource.
- DELETE = Delete if you are requesting the server to delete the resource
- PATCH = Update partial content of a resource
- OPTIONS = Get information about the communication options for the request URI
Example
ws := new(restful.WebService)
ws.
Path("/users").
Consumes(restful.MIME_XML, restful.MIME_JSON).
Produces(restful.MIME_JSON, restful.MIME_XML)
ws.Route(ws.GET("/{user-id}").To(u.findUser).
Doc("get a user").
Param(ws.PathParameter("user-id", "identifier of the user").DataType("string")).
Writes(User{}))
...
func (u UserResource) findUser(request *restful.Request, response *restful.Response) {
id := request.PathParameter("user-id")
...
}
Features
- Routes for request → function mapping with path parameter (e.g. {id}) support
- Configurable router:
- Routing algorithm after JSR311 that is implemented using (but does not accept) regular expressions (See RouterJSR311 which is used by default)
- Fast routing algorithm that allows static elements, regular expressions and dynamic parameters in the URL path (e.g. /meetings/{id} or /static/{subpath:*}, See CurlyRouter)
- Request API for reading structs from JSON/XML and accesing parameters (path,query,header)
- Response API for writing structs to JSON/XML and setting headers
- Filters for intercepting the request → response flow on Service or Route level
- Request-scoped variables using attributes
- Containers for WebServices on different HTTP endpoints
- Content encoding (gzip,deflate) of request and response payloads
- Automatic responses on OPTIONS (using a filter)
- Automatic CORS request handling (using a filter)
- API declaration for Swagger UI (see swagger package)
- Panic recovery to produce HTTP 500, customizable using RecoverHandler(...)
- Route errors produce HTTP 404/405/406/415 errors, customizable using ServiceErrorHandler(...)
- Configurable (trace) logging
- Customizable encoding using EntityReaderWriter registration
- Customizable gzip/deflate readers and writers using CompressorProvider registration
Resources
- Documentation on godoc.org
- Code examples
- Example posted on blog
- Design explained on blog
- sourcegraph
- gopkg.in
- showcase: Mora - MongoDB REST Api server
(c) 2012 - 2015, http://ernestmicklei.com. MIT License
Type git shortlog -s for a full list of contributors.