private List<Descriptor> getProjectionDescriptor(Class<?> type, HttpMethod method) { if (!Type.SAFE.equals(getType(method))) { return Collections.emptyList(); } ProjectionDefinitionConfiguration projectionConfiguration = configuration.projectionConfiguration(); return projectionConfiguration.hasProjectionFor(type) ? Arrays.asList(buildProjectionDescriptor(mappings.getMetadataFor(type))) : Collections.<Descriptor>emptyList(); }
/** * Builds a descriptor for the projection parameter of the given resource. * * @param metadata * @param projectionConfiguration * @return */ private Descriptor buildProjectionDescriptor(ResourceMetadata metadata) { ProjectionDefinitionConfiguration projectionConfiguration = configuration.projectionConfiguration(); String projectionParameterName = projectionConfiguration.getParameterName(); Map<String, Class<?>> projections = projectionConfiguration.getProjectionsFor(metadata.getDomainType()); List<Descriptor> projectionDescriptors = new ArrayList<Descriptor>(projections.size()); for (Entry<String, Class<?>> projection : projections.entrySet()) { Class<?> type = projection.getValue(); String key = String.format( "%s.%s.%s", metadata.getRel(), projectionParameterName, projection.getKey()); ResourceDescription fallback = SimpleResourceDescription.defaultFor(key); AnnotationBasedResourceDescription projectionDescription = new AnnotationBasedResourceDescription(type, fallback); projectionDescriptors.add( // descriptor() . // type(Type.SEMANTIC) . // name(projection.getKey()) . // doc(getDocFor(projectionDescription)) . // descriptors(createJacksonDescriptor(projection.getKey(), type)) . // build()); } return descriptor() . // type(Type.SEMANTIC) . // name(projectionParameterName) . // doc(getDocFor(SimpleResourceDescription.defaultFor(projectionParameterName))) . // descriptors(projectionDescriptors) .build(); }
/** * Creates the {@link Descriptor}s for pagination parameters. * * @param type * @return */ private List<Descriptor> getPaginationDescriptors(Class<?> type, HttpMethod method) { RepositoryInformation information = repositories.getRepositoryInformationFor(type); if (!information.isPagingRepository() || !getType(method).equals(Type.SAFE)) { return Collections.emptyList(); } Link linkToCollectionResource = entityLinks.linkToCollectionResource(type); List<TemplateVariable> variables = linkToCollectionResource.getVariables(); List<Descriptor> descriptors = new ArrayList<Descriptor>(variables.size()); ProjectionDefinitionConfiguration projectionConfiguration = configuration.projectionConfiguration(); for (TemplateVariable variable : variables) { // Skip projection parameter if (projectionConfiguration.getParameterName().equals(variable.getName())) { continue; } ResourceDescription description = SimpleResourceDescription.defaultFor(variable.getDescription()); descriptors.add( // descriptor() . // name(variable.getName()) . // type(Type.SEMANTIC) . // doc(getDocFor(description)) . // build()); } return descriptors; }