private ContentType getResourceContentType(UriInfoWithType uriInfo) {
ContentType resourceContentType;
switch (uriInfo.getUriType()) {
case URI0:
// service document
resourceContentType = SERVICE_DOCUMENT_CONTENT_TYPE;
break;
case URI8:
// metadata
resourceContentType = METADATA_CONTENT_TYPE;
break;
case URI4:
case URI5:
// is it a $value URI??
if (uriInfo.isValue()) {
// property value and $count
resourceContentType = TEXT_PLAIN_WITH_CS_UTF_8;
} else {
resourceContentType = contentType;
}
break;
case URI15:
case URI16:
case URI50A:
case URI50B:
// $count
resourceContentType = TEXT_PLAIN_WITH_CS_UTF_8;
break;
default:
resourceContentType = contentType;
}
return resourceContentType;
}
private ODataResponse writeContent(Edm edm, UriInfoWithType uriInfo, Object content)
throws ODataApplicationException, EdmException, EntityProviderException, URISyntaxException,
IOException {
String responseContentType = getContentType();
ODataResponse response;
switch (uriInfo.getUriType()) {
case URI4:
case URI5:
// simple property
final List<EdmProperty> simplePropertyPath = uriInfo.getPropertyPath();
final EdmProperty simpleProperty = simplePropertyPath.get(simplePropertyPath.size() - 1);
responseContentType = simpleProperty.getMimeType();
if (uriInfo.isValue()) {
response = EntityProvider.writePropertyValue(simpleProperty, content);
responseContentType = TEXT_PLAIN_WITH_CS_UTF_8.toString();
} else {
response = EntityProvider.writeProperty(getContentType(), simpleProperty, content);
}
break;
case URI3:
// complex property
final List<EdmProperty> complexPropertyPath = uriInfo.getPropertyPath();
final EdmProperty complexProperty = complexPropertyPath.get(complexPropertyPath.size() - 1);
response = EntityProvider.writeProperty(responseContentType, complexProperty, content);
break;
case URI7A:
// $links with 0..1 cardinality property
final EdmEntitySet targetLinkEntitySet = uriInfo.getTargetEntitySet();
EntityProviderWriteProperties linkProperties =
EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
@SuppressWarnings("unchecked")
final Map<String, Object> linkMap = (Map<String, Object>) content;
response =
EntityProvider.writeLink(
responseContentType, targetLinkEntitySet, linkMap, linkProperties);
break;
case URI7B:
// $links with * cardinality property
final EdmEntitySet targetLinksEntitySet = uriInfo.getTargetEntitySet();
EntityProviderWriteProperties linksProperties =
EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
@SuppressWarnings("unchecked")
final List<Map<String, Object>> linksMap = (List<Map<String, Object>>) content;
response =
EntityProvider.writeLinks(
responseContentType, targetLinksEntitySet, linksMap, linksProperties);
break;
case URI1:
case URI2:
case URI6A:
case URI6B:
// Entity
final EdmEntitySet targetEntitySet = uriInfo.getTargetEntitySet();
EntityProviderWriteProperties properties =
EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
@SuppressWarnings("unchecked")
final Map<String, Object> objectMap = (Map<String, Object>) content;
response =
EntityProvider.writeEntry(responseContentType, targetEntitySet, objectMap, properties);
break;
case URI9:
// $batch
@SuppressWarnings("unchecked")
final List<Olingo2BatchRequest> batchParts = (List<Olingo2BatchRequest>) content;
response = parseBatchRequest(edm, batchParts);
break;
default:
// notify exception and return!!!
throw new ODataApplicationException(
"Unsupported resource type " + uriInfo.getTargetType(), Locale.ENGLISH);
}
return response.getContentHeader() != null
? response
: ODataResponse.fromResponse(response).contentHeader(responseContentType).build();
}
@SuppressWarnings("unchecked")
private <T> T readContent(UriInfoWithType uriInfo, InputStream content)
throws EntityProviderException, ODataApplicationException {
T response;
switch (uriInfo.getUriType()) {
case URI0:
// service document
response =
(T)
EntityProvider.readServiceDocument(
content, SERVICE_DOCUMENT_CONTENT_TYPE.toString());
break;
case URI8:
// $metadata
response = (T) EntityProvider.readMetadata(content, false);
break;
case URI7A:
// link
response =
(T) EntityProvider.readLink(getContentType(), uriInfo.getTargetEntitySet(), content);
break;
case URI7B:
// links
response =
(T) EntityProvider.readLinks(getContentType(), uriInfo.getTargetEntitySet(), content);
break;
case URI3:
// complex property
final List<EdmProperty> complexPropertyPath = uriInfo.getPropertyPath();
final EdmProperty complexProperty = complexPropertyPath.get(complexPropertyPath.size() - 1);
response =
(T)
EntityProvider.readProperty(
getContentType(),
complexProperty,
content,
EntityProviderReadProperties.init().build());
break;
case URI4:
case URI5:
// simple property
final List<EdmProperty> simplePropertyPath = uriInfo.getPropertyPath();
final EdmProperty simpleProperty = simplePropertyPath.get(simplePropertyPath.size() - 1);
if (uriInfo.isValue()) {
response = (T) EntityProvider.readPropertyValue(simpleProperty, content);
} else {
response =
(T)
EntityProvider.readProperty(
getContentType(),
simpleProperty,
content,
EntityProviderReadProperties.init().build());
}
break;
case URI15:
case URI16:
case URI50A:
case URI50B:
// $count
final String stringCount = new String(EntityProvider.readBinary(content), Consts.UTF_8);
response = (T) Long.valueOf(stringCount);
break;
case URI1:
case URI6B:
if (uriInfo.getCustomQueryOptions().containsKey("!deltatoken")) {
// ODataDeltaFeed
response =
(T)
EntityProvider.readDeltaFeed(
getContentType(),
uriInfo.getTargetEntitySet(),
content,
EntityProviderReadProperties.init().build());
} else {
// ODataFeed
response =
(T)
EntityProvider.readFeed(
getContentType(),
uriInfo.getTargetEntitySet(),
content,
EntityProviderReadProperties.init().build());
}
break;
case URI2:
case URI6A:
response =
(T)
EntityProvider.readEntry(
getContentType(),
uriInfo.getTargetEntitySet(),
content,
EntityProviderReadProperties.init().build());
break;
default:
throw new ODataApplicationException(
"Unsupported resource type " + uriInfo.getTargetType(), Locale.ENGLISH);
}
return response;
}