protected void writeLinkInline(
XMLWriter2 writer,
OLink linkToInline,
String href,
String baseUri,
String updated,
boolean isResponse) {
writer.startElement(new QName2(m, "inline", "m"));
if (linkToInline instanceof ORelatedEntitiesLinkInline) {
ORelatedEntitiesLinkInline relLink = ((ORelatedEntitiesLinkInline) linkToInline);
List<OEntity> entities = relLink.getRelatedEntities();
if (entities != null && !entities.isEmpty()) {
writer.startElement(new QName2("feed"));
writeElement(writer, "title", linkToInline.getTitle(), "type", "text");
writeElement(writer, "id", baseUri + href);
writeElement(writer, "updated", updated);
writeElement(
writer, "link", null, "rel", "self", "title", linkToInline.getTitle(), "href", href);
for (OEntity entity : ((ORelatedEntitiesLinkInline) linkToInline).getRelatedEntities()) {
writer.startElement("entry");
writeEntry(
writer,
entity,
entity.getProperties(),
entity.getLinks(),
entity.getEntitySet().name,
baseUri,
updated,
entity.getEntitySet(),
isResponse);
writer.endElement("entry");
}
writer.endElement("feed");
}
} else if (linkToInline instanceof ORelatedEntityLinkInline) {
OEntity entity = ((ORelatedEntityLinkInline) linkToInline).getRelatedEntity();
if (entity != null) {
writer.startElement("entry");
writeEntry(
writer,
entity,
entity.getProperties(),
entity.getLinks(),
entity.getEntitySet().name,
baseUri,
updated,
entity.getEntitySet(),
isResponse);
writer.endElement("entry");
}
} else throw new RuntimeException("Unknown OLink type " + linkToInline.getClass());
writer.endElement("inline");
}
/*
* Using the supplied EntityResource, add the embedded resources
* from the OEntity embedded resources. NB - only an OEntity can
* carry OLinks.
*/
public void addExpandedLinks(EntityResource<OEntity> entityResource) {
RequestContext requestContext = RequestContext.getRequestContext();
Collection<Link> links = entityResource.getLinks();
if (links != null) {
OEntity oentity = entityResource.getEntity();
List<OLink> olinks = oentity.getLinks();
for (OLink olink : olinks) {
if (olink.isInline()) {
String relid = InternalUtil.getEntityRelId(oentity);
String href = relid + "/" + olink.getTitle();
for (Link link : links) {
String linkHref = link.getHref();
if (requestContext != null) {
// Extract the transition fragment from the URI path
linkHref = link.getRelativeHref(getBaseUri(serviceDocument, uriInfo));
}
if (href.equals(linkHref)) {
if (entityResource.getEmbedded() == null) {
entityResource.setEmbedded(new HashMap<Transition, RESTResource>());
}
if (olink.isCollection()) {
List<OEntity> oentities = olink.getRelatedEntities();
Collection<EntityResource<OEntity>> entityResources =
new ArrayList<EntityResource<OEntity>>();
for (OEntity oe : oentities) {
entityResources.add(new EntityResource<OEntity>(oe));
}
entityResource
.getEmbedded()
.put(link.getTransition(), new CollectionResource<OEntity>(entityResources));
} else {
// replace the OLink's on the current entity
OEntity inlineOentity = olink.getRelatedEntity();
List<OLink> inlineResourceOlinks =
formOLinks(new EntityResource<OEntity>(inlineOentity));
OEntity newInlineOentity =
OEntities.create(
inlineOentity.getEntitySet(),
inlineOentity.getEntityKey(),
inlineOentity.getProperties(),
inlineResourceOlinks);
entityResource
.getEmbedded()
.put(link.getTransition(), new EntityResource<OEntity>(newInlineOentity));
}
}
}
}
}
}
}
protected String writeEntry(
XMLWriter2 writer,
OEntity oe,
List<OProperty<?>> entityProperties,
List<OLink> entityLinks,
String baseUri,
String updated,
EdmEntitySet ees,
boolean isResponse) {
String relid = null;
String absid = null;
if (isResponse) {
relid = InternalUtil.getEntityRelId(oe);
absid = baseUri + relid;
writeElement(writer, "id", absid);
}
OAtomEntity oae = getAtomInfo(oe);
writeElement(writer, "title", oae.getAtomEntityTitle(), "type", "text");
String summary = oae.getAtomEntitySummary();
if (summary != null) {
writeElement(writer, "summary", summary, "type", "text");
}
LocalDateTime updatedTime = oae.getAtomEntityUpdated();
if (updatedTime != null) {
updated = InternalUtil.toString(updatedTime.toDateTime(DateTimeZone.UTC));
}
writeElement(writer, "updated", updated);
writer.startElement("author");
writeElement(writer, "name", oae.getAtomEntityAuthor());
writer.endElement("author");
if (isResponse) {
writeElement(
writer, "link", null, "rel", "edit", "title", ees.getType().getName(), "href", relid);
}
if (entityLinks != null) {
if (isResponse) {
// the producer has populated the link collection, we just what he gave us.
for (OLink link : entityLinks) {
String rel = related + link.getTitle();
String type = (link.isCollection()) ? atom_feed_content_type : atom_entry_content_type;
String href = relid + "/" + link.getTitle();
if (link.isInline()) {
writer.startElement("link");
writer.writeAttribute("rel", rel);
writer.writeAttribute("type", type);
writer.writeAttribute("title", link.getTitle());
writer.writeAttribute("href", href);
// write the inlined entities inside the link element
writeLinkInline(writer, link, href, baseUri, updated, isResponse);
writer.endElement("link");
} else {
// deferred link.
writeElement(
writer,
"link",
null,
"rel",
rel,
"type",
type,
"title",
link.getTitle(),
"href",
href);
}
}
} else {
// for requests we include only the provided links
// Note: It seems that OLinks for responses are only built using the
// title and OLinks for requests have the additional info in them
// alread. I'm leaving that inconsistency in place for now but this
// else and its preceding if could probably be unified.
for (OLink olink : entityLinks) {
String type = olink.isCollection() ? atom_feed_content_type : atom_entry_content_type;
writer.startElement("link");
writer.writeAttribute("rel", olink.getRelation());
writer.writeAttribute("type", type);
writer.writeAttribute("title", olink.getTitle());
writer.writeAttribute("href", olink.getHref());
if (olink.isInline()) {
// write the inlined entities inside the link element
writeLinkInline(writer, olink, olink.getHref(), baseUri, updated, isResponse);
}
writer.endElement("link");
}
}
} // else entityLinks null
writeElement(
writer,
"category",
null,
// oe is null for creates
"term",
oe == null
? ees.getType().getFullyQualifiedTypeName()
: oe.getEntityType().getFullyQualifiedTypeName(),
"scheme",
scheme);
boolean hasStream = false;
if (oe != null) {
OAtomStreamEntity stream = oe.findExtension(OAtomStreamEntity.class);
if (stream != null) {
hasStream = true;
writer.startElement("content");
writer.writeAttribute("type", stream.getAtomEntityType());
writer.writeAttribute("src", baseUri + stream.getAtomEntitySource());
writer.endElement("content");
}
}
if (!hasStream) {
writer.startElement("content");
writer.writeAttribute("type", MediaType.APPLICATION_XML);
}
writer.startElement(new QName2(m, "properties", "m"));
writeProperties(writer, entityProperties);
writer.endElement("properties");
if (!hasStream) {
writer.endElement("content");
}
return absid;
}
protected String writeEntry(
XMLWriter2 writer,
OEntity oe,
List<OProperty<?>> entityProperties,
List<OLink> entityLinks,
String entitySetName,
String baseUri,
String updated,
EdmEntitySet ees,
boolean isResponse) {
String relid = null;
String absid = null;
if (isResponse) {
relid = InternalUtil.getEntityRelId(oe);
absid = baseUri + relid;
writeElement(writer, "id", absid);
}
writeElement(writer, "title", null, "type", "text");
writeElement(writer, "updated", updated);
writer.startElement("author");
writeElement(writer, "name", null);
writer.endElement("author");
if (isResponse) {
writeElement(writer, "link", null, "rel", "edit", "title", entitySetName, "href", relid);
}
if (isResponse) {
// for responses we need to include all links whether inlined or not
for (EdmNavigationProperty np : ees.type.getAllNavigationProperties()) {
if (!np.selected) {
continue;
}
String otherEntity = np.name;
String rel = related + otherEntity;
String type = atom_feed_content_type;
if (np.toRole.multiplicity != EdmMultiplicity.MANY) {
type = atom_entry_content_type;
}
final String title = otherEntity;
String href = relid + "/" + otherEntity;
// check whether we have to write inlined entities
OLink linkToInline =
entityLinks != null
? Enumerable.create(entityLinks)
.firstOrNull(
new Predicate1<OLink>() {
@Override
public boolean apply(OLink input) {
return title.equals(input.getTitle());
}
})
: null;
if (linkToInline == null) {
writeElement(
writer, "link", null, "rel", rel, "type", type, "title", title, "href", href);
} else {
writer.startElement("link");
writer.writeAttribute("rel", rel);
writer.writeAttribute("type", type);
writer.writeAttribute("title", title);
writer.writeAttribute("href", href);
// write the inlined entities inside the link element
writeLinkInline(writer, linkToInline, href, baseUri, updated, isResponse);
writer.endElement("link");
}
}
writeElement(
writer, "category", null, "term", ees.type.getFQNamespaceName(), "scheme", scheme);
} else {
// for requests we include only the provided links
if (entityLinks != null) {
for (OLink olink : entityLinks) {
String type =
olink instanceof ORelatedEntitiesLink
? atom_feed_content_type
: atom_entry_content_type;
writer.startElement("link");
writer.writeAttribute("rel", olink.getRelation());
writer.writeAttribute("type", type);
writer.writeAttribute("title", olink.getTitle());
writer.writeAttribute("href", olink.getHref());
if (olink instanceof ORelatedEntitiesLinkInline
|| olink instanceof ORelatedEntityLinkInline) {
// write the inlined entities inside the link element
writeLinkInline(writer, olink, olink.getHref(), baseUri, updated, isResponse);
}
writer.endElement("link");
}
}
}
writer.startElement("content");
writer.writeAttribute("type", MediaType.APPLICATION_XML);
writer.startElement(new QName2(m, "properties", "m"));
writeProperties(writer, entityProperties);
writer.endElement("properties");
writer.endElement("content");
return absid;
}
