PolicyEnforcer policyEnforcer = buildAndStartPolicyEngine(policyString);
SecurityContextTokenSecurityEvent initiatorTokenSecurityEvent = new SecurityContextTokenSecurityEvent();
initiatorTokenSecurityEvent.setIssuerName("xs:anyURI");
initiatorTokenSecurityEvent.setExternalUriRef(true);
X509SecurityTokenImpl securityToken = getX509Token(WSSecurityTokenConstants.X509V3Token);
securityToken.addTokenUsage(WSSecurityTokenConstants.TokenUsage_MainSignature);
initiatorTokenSecurityEvent.setSecurityToken(securityToken);
policyEnforcer.registerSecurityEvent(initiatorTokenSecurityEvent);
SecurityContextTokenSecurityEvent recipientTokenSecurityEvent = new SecurityContextTokenSecurityEvent();
recipientTokenSecurityEvent.setIssuerName("xs:anyURI");