de>SecurityContext.getCallerPrincipal()</code></a>, and the principal supplied here
 as a parameter can be retrieved using <a href="../../../../../../jakarta/security/enterprise/SecurityContext.html#getPrincipalsByType-java.lang.Class-"><code>SecurityContext.getPrincipalsByType(Class)</code></a>.
 When only one is added, it is returned by <a href="../../../../../../jakarta/security/enterprise/SecurityContext.html#getCallerPrincipal--"><code>SecurityContext.getCallerPrincipal()</code></a>.

 <p>
 Note that a