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Diffstat (limited to 'kube2msb/src/kube2msb/vendor/github.com/emicklei/go-restful/filter.go')
| -rw-r--r-- | kube2msb/src/kube2msb/vendor/github.com/emicklei/go-restful/filter.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/kube2msb/src/kube2msb/vendor/github.com/emicklei/go-restful/filter.go b/kube2msb/src/kube2msb/vendor/github.com/emicklei/go-restful/filter.go new file mode 100644 index 0000000..4b86656 --- /dev/null +++ b/kube2msb/src/kube2msb/vendor/github.com/emicklei/go-restful/filter.go @@ -0,0 +1,26 @@ +package restful + +// Copyright 2013 Ernest Micklei. All rights reserved. +// Use of this source code is governed by a license +// that can be found in the LICENSE file. + +// FilterChain is a request scoped object to process one or more filters before calling the target RouteFunction. +type FilterChain struct { + Filters []FilterFunction // ordered list of FilterFunction + Index int // index into filters that is currently in progress + Target RouteFunction // function to call after passing all filters +} + +// ProcessFilter passes the request,response pair through the next of Filters. +// Each filter can decide to proceed to the next Filter or handle the Response itself. +func (f *FilterChain) ProcessFilter(request *Request, response *Response) { + if f.Index < len(f.Filters) { + f.Index++ + f.Filters[f.Index-1](request, response, f) + } else { + f.Target(request, response) + } +} + +// FilterFunction definitions must call ProcessFilter on the FilterChain to pass on the control and eventually call the RouteFunction +type FilterFunction func(*Request, *Response, *FilterChain) |