@SuppressWarnings({"unchecked"})
@Override
public Resource convert(Object source) {
if (null == repositoryMetadata || null == source) {
return new Resource<Object>(source);
}
Serializable id = (Serializable) repositoryMetadata.entityMetadata().idAttribute().get(source);
URI selfUri = buildUri(config.getBaseUri(), repositoryMetadata.name(), id.toString());
Set<Link> links = new HashSet<Link>();
for (Object attrName : entityMetadata.linkedAttributes().keySet()) {
URI uri = buildUri(selfUri, attrName.toString());
String rel =
repositoryMetadata.rel() + "." + source.getClass().getSimpleName() + "." + attrName;
links.add(new Link(uri.toString(), rel));
}
links.add(new Link(selfUri.toString(), "self"));
Map<String, Object> entityDto = new HashMap<String, Object>();
for (Map.Entry<String, AttributeMetadata> attrMeta :
((Map<String, AttributeMetadata>) entityMetadata.embeddedAttributes()).entrySet()) {
String name = attrMeta.getKey();
Object val;
if (null != (val = attrMeta.getValue().get(source))) {
entityDto.put(name, val);
}
}
return new EntityResource(entityDto, links);
}
public EntityToResourceConverter(
RepositoryRestConfiguration config, RepositoryMetadata repositoryMetadata) {
this.config = config;
Assert.notNull(repositoryMetadata, "RepositoryMetadata cannot be null!");
this.repositoryMetadata = repositoryMetadata;
this.entityMetadata = repositoryMetadata.entityMetadata();
}