import org.gradle.internal.component.external.model.maven.MavenModuleResolveMetadata;

class MetadataDescriptorFactory {

    private final ModuleComponentResolveMetadata metadata;

    public MetadataDescriptorFactory(ModuleComponentResolveMetadata metadata) {
        this.metadata = metadata;
    }

    public <T> T createDescriptor(Class<T> descriptorClass) {

        metadata.getExtraAttributes() >> ImmutableMap.copyOf([(key): "bar"])
        metadata.getStatus() >> "status"
        metadata.getBranch() >> "branch"
        def factory = new MetadataDescriptorFactory(metadata)

        when:
        def descriptor = factory.createDescriptor(IvyModuleDescriptor)

        then:
        descriptor.branch == "branch"
        descriptor.ivyStatus == "status"

    private final ModuleComponentResolveMetadata metadata;
    private final MetadataDescriptorFactory descriptorFactory;

    DefaultComponentMetadataContext(ComponentMetadataDetails details, ModuleComponentResolveMetadata metadata) {
        this.details = details;
        this.metadata = metadata;
        this.descriptorFactory = new MetadataDescriptorFactory(metadata);
    }

    @Override

    private final NotationParser<Object, ComponentIdentifier> componentIdentifierParser;
    private final PlatformSupport platformSupport;
    private final MetadataDescriptorFactory descriptorFactory;

    private MutableModuleComponentResolveMetadata mutableMetadata;
    private ComponentMetadataDetails details;

        final List<Object> inputs = new ArrayList<>();
        for (Class<?> inputType : action.getInputTypes()) {
            MetadataDescriptorFactory descriptorFactory = new MetadataDescriptorFactory(metadata);
            Object descriptor = descriptorFactory.createDescriptor(inputType);
            if (descriptor != null) {
                inputs.add(descriptor);
            }
        }
        return inputs;
    }