Add API Framework Revel Source Files

[iec.git] / src / foundation / api / revel / session_engine.go

diff --git a/src/foundation/api/revel/session_engine.go b/src/foundation/api/revel/session_engine.go
new file mode 100644 (file)
index 0000000..1f95d7b
--- /dev/null
+++ b/src/foundation/api/revel/session_engine.go
@@ -0,0 +1,35 @@
+package revel
+
+// The session engine provides an interface to allow for storage of session data
+type (
+       SessionEngine interface {
+               Decode(c *Controller) // Called to decode the session information on the controller
+               Encode(c *Controller) // Called to encode the session information on the controller
+       }
+)
+
+var (
+       sessionEngineMap     = map[string]func() SessionEngine{}
+       CurrentSessionEngine SessionEngine
+)
+
+// Initialize session engine on startup
+func init() {
+       OnAppStart(initSessionEngine, 5)
+}
+
+func RegisterSessionEngine(f func() SessionEngine, name string) {
+       sessionEngineMap[name] = f
+}
+
+// Called when application is starting up
+func initSessionEngine() {
+       // Check for session engine to use and assign it
+       sename := Config.StringDefault("session.engine", "revel-cookie")
+       if se, found := sessionEngineMap[sename]; found {
+               CurrentSessionEngine = se()
+       } else {
+               sessionLog.Warn("Session engine '%s' not found, using default session engine revel-cookie", sename)
+               CurrentSessionEngine = sessionEngineMap["revel-cookie"]()
+       }
+}