X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.security.core%2Fsrc%2Forg%2Fargeo%2Fsecurity%2FSecurityUtils.java;fp=org.argeo.security.core%2Fsrc%2Forg%2Fargeo%2Fsecurity%2FSecurityUtils.java;h=8c6715446a96ec78cff35bd0176f3584ffadab69;hb=759a7c0396796565b231738b855c8b0a8413be6b;hp=44ddeac865a00b8c436d1ef795b2855986358c65;hpb=c95b528dbacab735445ef421adefa8217b5d0007;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.security.core/src/org/argeo/security/SecurityUtils.java b/org.argeo.security.core/src/org/argeo/security/SecurityUtils.java
index 44ddeac86..8c6715446 100644
--- a/org.argeo.security.core/src/org/argeo/security/SecurityUtils.java
+++ b/org.argeo.security.core/src/org/argeo/security/SecurityUtils.java
@@ -19,6 +19,7 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.UUID;
 
 import org.springframework.security.authentication.AnonymousAuthenticationToken;
 import org.springframework.security.core.Authentication;
@@ -27,11 +28,20 @@ import org.springframework.security.core.context.SecurityContext;
 import org.springframework.security.core.context.SecurityContextHolder;
 
 /** Static utilities */
-public class SecurityUtils {
+public final class SecurityUtils {
+	private final static String systemKey = UUID.randomUUID().toString();
 
 	private SecurityUtils() {
 	}
 
+	/**
+	 * @return a String which is guaranteed to be unique between and constant
+	 *         within a Java static context (typically a VM launch)
+	 */
+	public final static String getStaticKey() {
+		return systemKey;
+	}
+
 	/** Whether the current thread has the admin role */
 	public static boolean hasCurrentThreadAuthority(String authority) {
 		SecurityContext securityContext = SecurityContextHolder.getContext();