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diff --git a/org.argeo.security.jackrabbit/src/org/argeo/security/jackrabbit/GrantedAuthorityPrincipal.java b/org.argeo.security.jackrabbit/src/org/argeo/security/jackrabbit/GrantedAuthorityPrincipal.java
new file mode 100644
index 000000000..482214e50
--- /dev/null
+++ b/org.argeo.security.jackrabbit/src/org/argeo/security/jackrabbit/GrantedAuthorityPrincipal.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.security.jackrabbit;
+
+import java.security.Principal;
+
+import org.springframework.security.GrantedAuthority;
+
+/** Wraps a {@link GrantedAuthority} as a principal. */
+class GrantedAuthorityPrincipal implements Principal {
+	private final GrantedAuthority grantedAuthority;
+
+	public GrantedAuthorityPrincipal(GrantedAuthority grantedAuthority) {
+		this.grantedAuthority = grantedAuthority;
+	}
+
+	public String getName() {
+		return grantedAuthority.getAuthority();
+	}
+
+	@Override
+	public int hashCode() {
+		return getName().hashCode();
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (!(obj instanceof GrantedAuthorityPrincipal))
+			return false;
+		return getName().equals(((GrantedAuthorityPrincipal) obj).getName());
+	}
+
+	@Override
+	public String toString() {
+		return "Granted Authority " + getName();
+	}
+
+}