From 02723131139806c761539a42a5fa80b68ecadee8 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 29 Jun 2017 14:03:04 +0300
Subject: project structure: split server into jdbc + web

---
 .../main/java/com/juick/server/util/UserUtils.java | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 juick-server-web/src/main/java/com/juick/server/util/UserUtils.java

(limited to 'juick-server-web/src/main/java/com/juick/server/util/UserUtils.java')

diff --git a/juick-server-web/src/main/java/com/juick/server/util/UserUtils.java b/juick-server-web/src/main/java/com/juick/server/util/UserUtils.java
new file mode 100644
index 00000000..eb86370e
--- /dev/null
+++ b/juick-server-web/src/main/java/com/juick/server/util/UserUtils.java
@@ -0,0 +1,36 @@
+package com.juick.server.util;
+
+import com.juick.User;
+import com.juick.server.helpers.AnonymousUser;
+import com.juick.service.security.entities.JuickUser;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+/**
+ * Created by aalexeev on 11/14/16.
+ */
+public class UserUtils {
+    private UserUtils() {
+        throw new IllegalStateException();
+    }
+
+    public static Authentication getAuthentication() {
+        return SecurityContextHolder.getContext().getAuthentication();
+    }
+
+    public static Object getPrincipal(final Authentication authentication) {
+        return authentication == null ? null : authentication.getPrincipal();
+    }
+
+    public static User getCurrentUser() {
+        Object principal = getPrincipal(getAuthentication());
+
+        if (principal instanceof JuickUser)
+            return ((JuickUser) principal).getUser();
+
+        if (principal instanceof User)
+            return (User) principal;
+
+        return AnonymousUser.INSTANCE;
+    }
+}
-- 
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