Enterprise Beans Tutorial

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Programming Help | Homework Help | Counseling Astrology Advice | Tarot Advice | Parenting Dating Advice | Love Advice | Divorce Advice Legal Advice | Debt Advice | Career Advice Enterprise Beans Tutorial 30 following example, the getUser method of an enterprise bean returns the name of the J2EE user that invoked it: public String getUser() { return sessioncontext.getCallerPrincipal ().getName(); } To determine the caller of a servlet, you invoke the getUserPrincipal method. Determining the Caller's Role You can determine whether an enterprise bean's caller belongs to a particular role by invoking the isCallerInRole method: boolean result = context.isCallerInRole("Customer"); To determine the caller's role for a servlet, you invoke the isUserInRole method. Security Policy Files · The J2EE server policy file is named server.policy. It resides in the $J2EE_HOME/lib/security directory. · The J2EE application client policy file, client.policy , resides in the same directory.

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