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author | Christopher Speller <crspeller@gmail.com> | 2016-05-12 15:08:58 -0400 |
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committer | Christopher Speller <crspeller@gmail.com> | 2016-05-12 16:37:29 -0400 |
commit | 84d2482ddbff9564c9ad75b2d30af66e3ddfd44d (patch) | |
tree | 8bfa567d2b6381f4a996ada2deff8a16aa85a3ac /Godeps/_workspace/src/github.com/gorilla/handlers/recovery.go | |
parent | d1efb66ad7b017f0fbfe6f0c20843b30f396e504 (diff) | |
download | chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.tar.gz chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.tar.bz2 chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.zip |
Updating go depencancies. Switching to go1.6 vendoring (#2949)
Diffstat (limited to 'Godeps/_workspace/src/github.com/gorilla/handlers/recovery.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/gorilla/handlers/recovery.go | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/Godeps/_workspace/src/github.com/gorilla/handlers/recovery.go b/Godeps/_workspace/src/github.com/gorilla/handlers/recovery.go deleted file mode 100644 index 65b7de58a..000000000 --- a/Godeps/_workspace/src/github.com/gorilla/handlers/recovery.go +++ /dev/null @@ -1,86 +0,0 @@ -package handlers - -import ( - "log" - "net/http" - "runtime/debug" -) - -type recoveryHandler struct { - handler http.Handler - logger *log.Logger - printStack bool -} - -// RecoveryOption provides a functional approach to define -// configuration for a handler; such as setting the logging -// whether or not to print strack traces on panic. -type RecoveryOption func(http.Handler) - -func parseRecoveryOptions(h http.Handler, opts ...RecoveryOption) http.Handler { - for _, option := range opts { - option(h) - } - - return h -} - -// RecoveryHandler is HTTP middleware that recovers from a panic, -// logs the panic, writes http.StatusInternalServerError, and -// continues to the next handler. -// -// Example: -// -// r := mux.NewRouter() -// r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { -// panic("Unexpected error!") -// }) -// -// http.ListenAndServe(":1123", handlers.RecoveryHandler()(r)) -func RecoveryHandler(opts ...RecoveryOption) func(h http.Handler) http.Handler { - return func(h http.Handler) http.Handler { - r := &recoveryHandler{handler: h} - return parseRecoveryOptions(r, opts...) - } -} - -// RecoveryLogger is a functional option to override -// the default logger -func RecoveryLogger(logger *log.Logger) RecoveryOption { - return func(h http.Handler) { - r := h.(*recoveryHandler) - r.logger = logger - } -} - -// PrintRecoveryStack is a functional option to enable -// or disable printing stack traces on panic. -func PrintRecoveryStack(print bool) RecoveryOption { - return func(h http.Handler) { - r := h.(*recoveryHandler) - r.printStack = print - } -} - -func (h recoveryHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { - defer func() { - if err := recover(); err != nil { - w.WriteHeader(http.StatusInternalServerError) - h.log(err) - } - }() - - h.handler.ServeHTTP(w, req) -} - -func (h recoveryHandler) log(message interface{}) { - if h.logger != nil { - h.logger.Println(message) - } else { - log.Println(message) - } - - if h.printStack { - debug.PrintStack() - } -} |