assertion.setIssuer(issuer);
/* build policy statements objects */
XACMLPolicyStatementTypeImplBuilder policyStatementBuilder = (XACMLPolicyStatementTypeImplBuilder) builderFactory.getBuilder(XACMLPolicyStatementType.TYPE_NAME_XACML20);
XACMLPolicyStatementType policyStatement = policyStatementBuilder.buildObject(Statement.DEFAULT_ELEMENT_NAME,
XACMLPolicyStatementType.TYPE_NAME_XACML20);
Iterator<XACMLObject> iterator = policyObjects.iterator();
while (iterator.hasNext()) {