private List findAuthenticationPolicies()

in modules/policy-security-http/src/main/java/org/apache/tuscany/sca/policy/security/http/LDAPRealmAuthenticationServicePolicyProvider.java [93:150]
49 lines of code
25 McCabe index (conditional complexity)

    private List<LDAPRealmAuthenticationPolicy> findAuthenticationPolicies(Operation op) {
        List<LDAPRealmAuthenticationPolicy> polices = new ArrayList<LDAPRealmAuthenticationPolicy>();

        // check explicity added policies first
        ConfiguredOperation configuredOperation = findOperation(op);
        if (configuredOperation!= null && configuredOperation.getPolicySets().size() > 0) {
            for ( PolicySet ps : configuredOperation.getPolicySets()) {
                for (Object p : ps.getPolicies()) {
                    if (p instanceof LDAPRealmAuthenticationPolicy) {
                        polices.add((LDAPRealmAuthenticationPolicy)p);
                    }
                }
            }
        }

        
        // otherwise find applicable policySets
        if ( polices.size() == 0) {
            // FIXME: How do we get a list of effective policySets for a given operation?
            for(Operation operation : operations) {
                if (operation!= null && operation.getName() != null && operation.getName().equals(op.getName())) {
                    for (PolicySet ps : operation.getPolicySets()) {
                        for (Object p : ps.getPolicies()) {
                            if (p instanceof LDAPRealmAuthenticationPolicy) {
                                polices.add((LDAPRealmAuthenticationPolicy)p);
                            }
                        }
                    }
                }
            }

            if (service instanceof OperationsConfigurator) {
                OperationsConfigurator operationsConfigurator = (OperationsConfigurator)service;
                for (ConfiguredOperation cop : operationsConfigurator.getConfiguredOperations()) {
                    if (cop!= null && cop.getName() != null && cop.getName().equals(op.getName())) {
                        for (PolicySet ps : cop.getApplicablePolicySets()) {
                            for (Object p : ps.getPolicies()) {
                                if (p instanceof LDAPRealmAuthenticationPolicy) {
                                    polices.add((LDAPRealmAuthenticationPolicy)p);
                                }
                            }
                        }
                    }
                }
            }

            List<PolicySet> policySets = service.getPolicySets();
            for (PolicySet ps : policySets) {
                for (Object p : ps.getPolicies()) {
                    if (p instanceof LDAPRealmAuthenticationPolicy) {
                        polices.add((LDAPRealmAuthenticationPolicy)p);
                    }
                }
            }
        }
        
        return polices;
    }