public BootstrapConfiguration processValidationConfig()

in bval-jsr/src/main/java/org/apache/bval/jsr/xml/ValidationParser.java [91:133]
39 lines of code
9 McCabe index (conditional complexity)

    public BootstrapConfiguration processValidationConfig(final String file,
        final ConfigurationImpl targetConfig) {
        final ValidationConfigType xmlConfig = parseXmlConfig(file);
        if (xmlConfig == null) {
            return null;
        }
        final boolean executableValidationEnabled;
        final Set<ExecutableType> defaultValidatedExecutableTypes;

        if (xmlConfig.getExecutableValidation() == null) {
            defaultValidatedExecutableTypes = EnumSet.of(ExecutableType.IMPLICIT);
            executableValidationEnabled = true;
        } else {
            final Optional<ExecutableValidationType> executableValidation =
                Optional.of(xmlConfig).map(ValidationConfigType::getExecutableValidation);
            executableValidationEnabled = executableValidation.map(ExecutableValidationType::getEnabled)
                .filter(Predicate.isEqual(Boolean.TRUE)).isPresent();

            defaultValidatedExecutableTypes = executableValidation.filter(x -> executableValidationEnabled)
                .map(ExecutableValidationType::getDefaultValidatedExecutableTypes)
                .map(DefaultValidatedExecutableTypesType::getExecutableType).map(EnumSet::copyOf)
                .orElse(EnumSet.noneOf(ExecutableType.class));
        }

        Set<String> constraintMappings = xmlConfig.getConstraintMapping().stream()
                .map(s -> s.trim())
                .collect(Collectors.toSet());
        Set<String> valueExtractor = xmlConfig.getValueExtractor().stream()
                .map(s -> s.trim())
                .collect(Collectors.toSet());
        String clockProvider = xmlConfig.getClockProvider() == null ? null : xmlConfig.getClockProvider().trim();
        String messageInterpolator = xmlConfig.getMessageInterpolator() == null ? null : xmlConfig.getMessageInterpolator().trim();
        String parameterNameProvider = xmlConfig.getParameterNameProvider() == null ? null : xmlConfig.getParameterNameProvider().trim();
        String traversableResolver = xmlConfig.getTraversableResolver() == null ? null : xmlConfig.getTraversableResolver().trim();
        String constraintValidatorFactory = xmlConfig.getConstraintValidatorFactory() == null ? null : xmlConfig.getConstraintValidatorFactory().trim();
        String defaultProvider = xmlConfig.getDefaultProvider() == null ? null : xmlConfig.getDefaultProvider().trim();

        return new BootstrapConfigurationImpl(defaultProvider, constraintValidatorFactory,
            messageInterpolator, traversableResolver,
            parameterNameProvider, constraintMappings,
            executableValidationEnabled, defaultValidatedExecutableTypes, toMap(xmlConfig.getProperty()),
            clockProvider, valueExtractor);
    }