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-rw-r--r--vendor/github.com/aws/aws-sdk-go/aws/request/handlers.go31
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/request/handlers.go b/vendor/github.com/aws/aws-sdk-go/aws/request/handlers.go
index 6c14336..802ac88 100644
--- a/vendor/github.com/aws/aws-sdk-go/aws/request/handlers.go
+++ b/vendor/github.com/aws/aws-sdk-go/aws/request/handlers.go
@@ -158,6 +158,37 @@ func (l *HandlerList) RemoveByName(name string) {
}
}
+// SwapNamed will swap out any existing handlers with the same name as the
+// passed in NamedHandler returning true if handlers were swapped. False is
+// returned otherwise.
+func (l *HandlerList) SwapNamed(n NamedHandler) (swapped bool) {
+ for i := 0; i < len(l.list); i++ {
+ if l.list[i].Name == n.Name {
+ l.list[i].Fn = n.Fn
+ swapped = true
+ }
+ }
+
+ return swapped
+}
+
+// SetBackNamed will replace the named handler if it exists in the handler list.
+// If the handler does not exist the handler will be added to the end of the list.
+func (l *HandlerList) SetBackNamed(n NamedHandler) {
+ if !l.SwapNamed(n) {
+ l.PushBackNamed(n)
+ }
+}
+
+// SetFrontNamed will replace the named handler if it exists in the handler list.
+// If the handler does not exist the handler will be added to the beginning of
+// the list.
+func (l *HandlerList) SetFrontNamed(n NamedHandler) {
+ if !l.SwapNamed(n) {
+ l.PushFrontNamed(n)
+ }
+}
+
// Run executes all handlers in the list with a given request object.
func (l *HandlerList) Run(r *Request) {
for i, h := range l.list {