Improve ACR / JCR integration.

[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / auth / CurrentUser.java

diff --git a/org.argeo.cms/src/org/argeo/cms/auth/CurrentUser.java b/org.argeo.cms/src/org/argeo/cms/auth/CurrentUser.java
index cbe4286921c527651e928eebc552d610d745f90e..b43bf98b5f707744591b26006535ca784d8252b7 100644 (file)
--- a/org.argeo.cms/src/org/argeo/cms/auth/CurrentUser.java
+++ b/org.argeo.cms/src/org/argeo/cms/auth/CurrentUser.java
@@ -9,6 +9,8 @@ import java.util.HashSet;
 import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
+import java.util.concurrent.Callable;
+import java.util.concurrent.CompletionException;
 
 import javax.security.auth.Subject;
 import javax.security.auth.x500.X500Principal;
@@ -162,6 +164,29 @@ public final class CurrentUser {
                return true;
        }
 
+       /*
+        * PREPARE EVOLUTION OF JAVA APIs INTRODUCED IN JDK 18
+        * The following static methods will be added to Subject 
+        */
+       public Subject current() {
+               return currentSubject();
+       }
+
+       public static <T> T callAs(Subject subject, Callable<T> action) {
+               try {
+                       return Subject.doAs(subject, new PrivilegedExceptionAction<T>() {
+
+                               @Override
+                               public T run() throws Exception {
+                                       return action.call();
+                               }
+
+                       });
+               } catch (PrivilegedActionException e) {
+                       throw new CompletionException("Failed to execute action for " + subject, e.getCause());
+               }
+       }
+
        private CurrentUser() {
        }
 }