@Test
public void roomsFeedWithEtagEntries() throws Exception {
InputStream stream = getFileAsStream("feed_rooms_small.xml");
assertNotNull(stream);
ODataFeed feed =
EntityProvider.readFeed(
"application/atom+xml",
MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"),
stream,
DEFAULT_PROPERTIES);
assertNotNull(feed);
FeedMetadata feedMetadata = feed.getFeedMetadata();
assertNotNull(feedMetadata);
assertNotNull(feedMetadata.getNextLink());
List<ODataEntry> entries = feed.getEntries();
assertEquals(3, entries.size());
ODataEntry singleRoom = entries.get(0);
EntryMetadata roomMetadata = singleRoom.getMetadata();
assertNotNull(roomMetadata);
assertEquals("W/\"1\"", roomMetadata.getEtag());
}
@Override
public ODataResponse updateEntity(
PutMergePatchUriInfo uriInfo,
InputStream content,
String requestContentType,
boolean merge,
String contentType)
throws ODataException {
LOG.debug("Updating Entity: " + uriInfo);
EntityProviderReadProperties properties =
EntityProviderReadProperties.init().mergeSemantic(false).build();
ODataEntry entry =
EntityProvider.readEntry(
requestContentType, uriInfo.getTargetEntitySet(), content, properties);
// if something goes wrong in deserialization this is managed via the
// ExceptionMapper,
// no need for an application to do exception handling here an convert
// the exceptions in HTTP exceptions
Map<String, Object> data = entry.getProperties();
if ("Cars".equals(uriInfo.getTargetEntitySet().getName())) {
int key = getKeyValue(uriInfo.getKeyPredicates().get(0));
// if there is no entry with this key available, one should return
// "404 Not Found"
// return ODataResponse.status(HttpStatusCodes.NOT_FOUND).build();
// now one can use the data to create the entry in the backend ...
String model = (String) data.get("Model");
// ...
} else if ("Manufacturers".equals(uriInfo.getTargetEntitySet().getName())) {
int key = getKeyValue(uriInfo.getKeyPredicates().get(0));
// now one can use the data to create the entry in the backend ...
}
// we can return Status Code 204 No Content because the URI Parsing
// already guarantees that
// a) only valid URIs are dispatched (also checked against the metadata)
// b) 404 Not Found is already returned above, when the entry does not
// exist
return ODataResponse.status(HttpStatusCodes.NO_CONTENT).build();
}
@Override
public ODataResponse createEntity(
PostUriInfo uriInfo, InputStream content, String requestContentType, String contentType)
throws ODataException {
LOG.debug("Creating Entity: " + uriInfo);
// No support for creating and linking a new entry
if (uriInfo.getNavigationSegments().size() > 0) {
throw new ODataNotImplementedException();
}
// No support for media resources
if (uriInfo.getStartEntitySet().getEntityType().hasStream()) {
throw new ODataNotImplementedException();
}
EntityProviderReadProperties properties =
EntityProviderReadProperties.init().mergeSemantic(false).build();
ODataEntry entry =
EntityProvider.readEntry(
requestContentType, uriInfo.getStartEntitySet(), content, properties);
// if something goes wrong in deserialization this is managed via the
// ExceptionMapper
// no need for an application to do exception handling here an convert
// the exceptions in HTTP exceptions
Map<String, Object> data = entry.getProperties();
// now one can use the data to create the entry in the backend ...
// retrieve the key value after creation, if the key is generated by the
// server
// update the data accordingly
data.put("Id", Integer.valueOf(887788675));
// serialize the entry, Location header is set by OData Library
return EntityProvider.writeEntry(
contentType,
uriInfo.getStartEntitySet(),
entry.getProperties(),
EntityProviderWriteProperties.serviceRoot(getContext().getPathInfo().getServiceRoot())
.build());
}