Examples with StringPolicyResolver com.evolveum.midpoint.repo.common.expression.StringPolicyResolver used on opensource projects

Example 6 with StringPolicyResolver

use of com.evolveum.midpoint.repo.common.expression.StringPolicyResolver in project midpoint by Evolveum.

the class MappingEvaluator method createFocusMapping.

public <V extends PrismValue, D extends ItemDefinition, F extends FocusType, T extends FocusType> Mapping<V, D> createFocusMapping(final MappingFactory mappingFactory, final LensContext<F> context, final MappingType mappingType, ObjectType originObject, ObjectDeltaObject<F> focusOdo, PrismObject<T> defaultTargetObject, AssignmentPathVariables assignmentPathVariables, Integer iteration, String iterationToken, PrismObject<SystemConfigurationType> configuration, XMLGregorianCalendar now, String contextDesc, final Task task, OperationResult result) throws SchemaException, ExpressionEvaluationException, ObjectNotFoundException {
    if (!Mapping.isApplicableToChannel(mappingType, context.getChannel())) {
        LOGGER.trace("Mapping {} not applicable to channel {}, skipping.", mappingType, context.getChannel());
        return null;
    }
    StringPolicyResolver stringPolicyResolver = new StringPolicyResolver() {

        private ItemPath outputPath;

        private ItemDefinition outputDefinition;

        @Override
        public void setOutputPath(ItemPath outputPath) {
            this.outputPath = outputPath;
        }

        @Override
        public void setOutputDefinition(ItemDefinition outputDefinition) {
            this.outputDefinition = outputDefinition;
        }

        @Override
        public StringPolicyType resolve() {
            // TODO need to switch to ObjectValuePolicyEvaluator
            if (outputDefinition.getName().equals(PasswordType.F_VALUE)) {
                ValuePolicyType passwordPolicy = credentialsProcessor.determinePasswordPolicy(context.getFocusContext(), task, result);
                if (passwordPolicy == null) {
                    return null;
                }
                return passwordPolicy.getStringPolicy();
            }
            if (mappingType.getExpression() != null) {
                List<JAXBElement<?>> evaluators = mappingType.getExpression().getExpressionEvaluator();
                if (evaluators != null) {
                    for (JAXBElement jaxbEvaluator : evaluators) {
                        Object object = jaxbEvaluator.getValue();
                        if (object instanceof GenerateExpressionEvaluatorType && ((GenerateExpressionEvaluatorType) object).getValuePolicyRef() != null) {
                            ObjectReferenceType ref = ((GenerateExpressionEvaluatorType) object).getValuePolicyRef();
                            try {
                                ValuePolicyType valuePolicyType = mappingFactory.getObjectResolver().resolve(ref, ValuePolicyType.class, null, "resolving value policy for generate attribute " + outputDefinition.getName() + " value", task, new OperationResult("Resolving value policy"));
                                if (valuePolicyType != null) {
                                    return valuePolicyType.getStringPolicy();
                                }
                            } catch (CommonException ex) {
                                throw new SystemException(ex.getMessage(), ex);
                            }
                        }
                    }
                }
            }
            return null;
        }
    };
    ExpressionVariables variables = new ExpressionVariables();
    FOCUS_VARIABLE_NAMES.forEach(name -> variables.addVariableDefinition(name, focusOdo));
    variables.addVariableDefinition(ExpressionConstants.VAR_ITERATION, iteration);
    variables.addVariableDefinition(ExpressionConstants.VAR_ITERATION_TOKEN, iterationToken);
    variables.addVariableDefinition(ExpressionConstants.VAR_CONFIGURATION, configuration);
    Collection<V> targetValues = computeTargetValues(mappingType.getTarget(), defaultTargetObject, variables, mappingFactory.getObjectResolver(), contextDesc, task, result);
    Mapping.Builder<V, D> mappingBuilder = mappingFactory.<V, D>createMappingBuilder(mappingType, contextDesc).sourceContext(focusOdo).targetContext(defaultTargetObject.getDefinition()).variables(variables).originalTargetValues(targetValues).originType(OriginType.USER_POLICY).originObject(originObject).stringPolicyResolver(stringPolicyResolver).rootNode(focusOdo).now(now);
    mappingBuilder = LensUtil.addAssignmentPathVariables(mappingBuilder, assignmentPathVariables);
    Mapping<V, D> mapping = mappingBuilder.build();
    ItemPath itemPath = mapping.getOutputPath();
    if (itemPath == null) {
        // no output element, i.e. this is a "validation mapping"
        return mapping;
    }
    if (defaultTargetObject != null) {
        Item<V, D> existingTargetItem = (Item<V, D>) defaultTargetObject.findItem(itemPath);
        if (existingTargetItem != null && !existingTargetItem.isEmpty() && mapping.getStrength() == MappingStrengthType.WEAK) {
            LOGGER.trace("Mapping {} is weak and target already has a value {}, skipping.", mapping, existingTargetItem);
            return null;
        }
    }
    return mapping;
}