private void addLinkToOLinks(List<OLink> olinks, Link link, RESTResource resource) {
RequestContext requestContext = RequestContext.getRequestContext();
assert (link != null);
assert (link.getTransition() != null);
Map<Transition, RESTResource> embeddedResources = resource.getEmbedded();
String rel = link.getRel();
String href = link.getHref();
if (requestContext != null) {
// Extract the transition fragment from the URI path
href = link.getRelativeHref(getBaseUri(serviceDocument, uriInfo));
}
String title = link.getTitle();
OLink olink = null;
Transition linkTransition = link.getTransition();
if (linkTransition != null) {
if (embeddedResources != null
&& embeddedResources.get(linkTransition) != null
&& embeddedResources.get(linkTransition) instanceof EntityResource) {
@SuppressWarnings("unchecked")
EntityResource<OEntity> embeddedResource =
(EntityResource<OEntity>) embeddedResources.get(linkTransition);
// replace the OLink's on the embedded entity
OEntity newEmbeddedEntity = processOEntity(embeddedResource);
olink = OLinks.relatedEntityInline(rel, title, href, newEmbeddedEntity);
} else if (embeddedResources != null
&& embeddedResources.get(linkTransition) != null
&& embeddedResources.get(linkTransition) instanceof CollectionResource) {
@SuppressWarnings("unchecked")
CollectionResource<OEntity> embeddedCollectionResource =
(CollectionResource<OEntity>) embeddedResources.get(linkTransition);
List<OEntity> entities = new ArrayList<OEntity>();
for (EntityResource<OEntity> embeddedResource : embeddedCollectionResource.getEntities()) {
// replace the OLink's on the embedded entity
OEntity newEmbeddedEntity = processOEntity(embeddedResource);
entities.add(newEmbeddedEntity);
}
olink = OLinks.relatedEntitiesInline(rel, title, href, entities);
}
if (olink == null) {
if (linkTransition.getTarget() instanceof CollectionResourceState) {
olink = OLinks.relatedEntities(rel, title, href);
} else {
olink = OLinks.relatedEntity(rel, title, href);
}
}
}
olinks.add(olink);
}
/**
* @param uriInfo
* @param links
* @return
*/
private String getAbsoluteId(UriInfo uriInfo, Collection<Link> links) {
String absoluteId = "";
for (Link link : links) {
if ("self".equals(link.getRel())) {
absoluteId = link.getHref();
break;
}
}
if (absoluteId.isEmpty()) {
absoluteId = uriInfo.getBaseUri() + uriInfo.getPath();
}
return absoluteId;
}
protected void writeEntry(
StreamWriter writer,
String entityName,
Entity entity,
Collection<Link> entityLinks,
Map<Transition, RESTResource> embeddedResources,
String baseUri,
String absoluteId,
String updated) {
assert (entityName != null);
// entity name could be different between entity resource and underlying entity
// e.g., for Errors entity, entity resource would have the request entity name
String entityMetadataName = entity != null ? entity.getName() : entityName;
EntityMetadata entityMetadata = metadata.getEntityMetadata(entityMetadataName);
String modelName = metadata.getModelName();
writer.writeId(absoluteId);
OAtomEntity oae = getAtomInfo(entity);
writer.writeTitle(oae.getAtomEntityTitle());
String summary = oae.getAtomEntitySummary();
if (!summary.isEmpty()) {
writer.writeSummary(summary);
}
LocalDateTime updatedTime = oae.getAtomEntityUpdated();
if (updatedTime != null) {
updated = InternalUtil.toString(updatedTime.toDateTime(DateTimeZone.UTC));
}
writer.writeUpdated(updated);
writer.writeAuthor(oae.getAtomEntityAuthor());
if (entityLinks != null) {
for (Link link : entityLinks) {
String type =
(link.getTransition().getTarget() instanceof CollectionResourceState)
? atom_feed_content_type
: atom_entry_content_type;
String href = link.getRelativeHref(baseUri);
String rel = link.getRel();
writer.startLink(href, rel);
if ("self".equals(link.getRel())) {
ResourceState target = link.getTransition().getTarget();
writer.writeAttribute("profile", target.getRel());
}
if (!"self".equals(link.getRel()) && !"edit".equals(link.getRel())) {
writer.writeAttribute("type", type);
}
writer.writeAttribute("title", link.getTitle());
if (embeddedResources != null && embeddedResources.get(link.getTransition()) != null) {
String embeddedAbsoluteId = link.getHref();
writeLinkInline(
writer,
metadata,
link,
embeddedResources.get(link.getTransition()),
link.getHref(),
baseUri,
embeddedAbsoluteId,
updated);
}
String linkId = link.getLinkId();
if (linkId != null && linkId.length() > 0) {
writer.writeAttribute("id", linkId);
}
writer.endLink();
}
}
writer.writeCategory(modelName + Metadata.MODEL_SUFFIX + "." + entityName, scheme);
writer.flush();
writer.startContent(MediaType.APPLICATION_XML);
writer.startElement(new QName(m, "properties", "m"));
if (entity != null) {
writeProperties(writer, entityMetadata, entity.getProperties(), modelName);
}
writer.endElement();
writer.endContent();
}
