X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Fauth%2FCurrentUser.java;h=68ea5ff28243543112cbd586e5dbdd467b412acb;hb=c0342975a37c70895c2e8f6b341d790700168d7f;hp=13b54a549a83eac180c3116f017eb204bc0856dc;hpb=1079048d9b6dc6003169327ea77eb64029283ecb;p=lgpl%2Fargeo-commons.git

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 13b54a549..68ea5ff28 100644
--- a/org.argeo.cms/src/org/argeo/cms/auth/CurrentUser.java
+++ b/org.argeo.cms/src/org/argeo/cms/auth/CurrentUser.java
@@ -138,11 +138,18 @@ public final class CurrentUser {
 		return CmsContextImpl.getCmsContext().getCmsSessionByUuid(cmsSessionId.getUuid());
 	}
 
+	public static boolean isAvailable() {
+		return CurrentSubject.current() != null;
+	}
+
 	/*
 	 * HELPERS
 	 */
 	private static Subject currentSubject() {
-		return CurrentSubject.current();
+		Subject subject = CurrentSubject.current();
+		if (subject == null)
+			throw new IllegalStateException("Cannot find related subject");
+		return subject;
 	}
 
 	private static Authorization getAuthorization(Subject subject) {