private BatchChangeSetPart createBatchChangeSetPart(
Edm edm, Map<String, String> contentIdMap, Olingo2BatchChangeRequest batchRequest)
throws EdmException, URISyntaxException, EntityProviderException, IOException,
ODataApplicationException {
// build body string
String resourcePath = batchRequest.getResourcePath();
// is it a referenced entity?
if (resourcePath.startsWith("$")) {
resourcePath = replaceContentId(edm, resourcePath, contentIdMap);
}
final UriInfoWithType uriInfo = parseUri(edm, resourcePath, null);
// serialize data into ODataResponse object, if set in request and this is not a DELETE request
final Map<String, String> headers = new HashMap<String, String>();
byte[] body = null;
if (batchRequest.getBody() != null && !Operation.DELETE.equals(batchRequest.getOperation())) {
final ODataResponse response = writeContent(edm, uriInfo, batchRequest.getBody());
// copy response headers
for (String header : response.getHeaderNames()) {
headers.put(header, response.getHeader(header));
}
// get (http) entity which is for default Olingo2 implementation an InputStream
body =
response.getEntity() instanceof InputStream
? EntityProvider.readBinary((InputStream) response.getEntity())
: null;
if (body != null) {
headers.put(HttpHeaders.CONTENT_LENGTH, String.valueOf(body.length));
}
}
// Olingo is sensitive to batch part charset case!!
headers.put(HttpHeaders.ACCEPT, getResourceContentType(uriInfo).toString().toLowerCase());
if (!headers.containsKey(HttpHeaders.CONTENT_TYPE)) {
headers.put(HttpHeaders.CONTENT_TYPE, getContentType());
}
// add request headers
headers.putAll(batchRequest.getHeaders());
final String contentId = batchRequest.getContentId();
if (contentId != null) {
contentIdMap.put("$" + contentId, resourcePath);
}
return BatchChangeSetPart.uri(createBatchUri(batchRequest))
.method(batchRequest.getOperation().getHttpMethod())
.contentId(contentId)
.headers(headers)
.body(body == null ? null : new String(body, Consts.UTF_8))
.build();
}
private <T> void writeContent(
final Edm edm,
HttpEntityEnclosingRequestBase httpEntityRequest,
final UriInfoWithType uriInfo,
final Object content,
final Olingo2ResponseHandler<T> responseHandler) {
try {
// process resource by UriType
final ODataResponse response = writeContent(edm, uriInfo, content);
// copy all response headers
for (String header : response.getHeaderNames()) {
httpEntityRequest.setHeader(header, response.getHeader(header));
}
// get (http) entity which is for default Olingo2 implementation an InputStream
if (response.getEntity() instanceof InputStream) {
httpEntityRequest.setEntity(new InputStreamEntity((InputStream) response.getEntity()));
/*
// avoid sending it without a header field set
if (!httpEntityRequest.containsHeader(HttpHeaders.CONTENT_TYPE)) {
httpEntityRequest.addHeader(HttpHeaders.CONTENT_TYPE, getContentType());
}
*/
}
// execute HTTP request
final Header requestContentTypeHeader =
httpEntityRequest.getFirstHeader(HttpHeaders.CONTENT_TYPE);
final ContentType requestContentType =
requestContentTypeHeader != null
? ContentType.parse(requestContentTypeHeader.getValue())
: contentType;
execute(
httpEntityRequest,
requestContentType,
new AbstractFutureCallback<T>(responseHandler) {
@SuppressWarnings("unchecked")
@Override
public void onCompleted(HttpResponse result)
throws IOException, EntityProviderException, BatchException,
ODataApplicationException {
// if a entity is created (via POST request) the response body contains the new
// created entity
HttpStatusCodes statusCode =
HttpStatusCodes.fromStatusCode(result.getStatusLine().getStatusCode());
// look for no content, or no response body!!!
final boolean noEntity =
result.getEntity() == null || result.getEntity().getContentLength() == 0;
if (statusCode == HttpStatusCodes.NO_CONTENT || noEntity) {
responseHandler.onResponse(
(T) HttpStatusCodes.fromStatusCode(result.getStatusLine().getStatusCode()));
} else {
switch (uriInfo.getUriType()) {
case URI9:
// $batch
final List<BatchSingleResponse> singleResponses =
EntityProvider.parseBatchResponse(
result.getEntity().getContent(),
result.getFirstHeader(HttpHeaders.CONTENT_TYPE).getValue());
// parse batch response bodies
final List<Olingo2BatchResponse> responses =
new ArrayList<Olingo2BatchResponse>();
Map<String, String> contentIdLocationMap = new HashMap<String, String>();
final List<Olingo2BatchRequest> batchRequests =
(List<Olingo2BatchRequest>) content;
final Iterator<Olingo2BatchRequest> iterator = batchRequests.iterator();
for (BatchSingleResponse response : singleResponses) {
final Olingo2BatchRequest request = iterator.next();
if (request instanceof Olingo2BatchChangeRequest
&& ((Olingo2BatchChangeRequest) request).getContentId() != null) {
contentIdLocationMap.put(
"$" + ((Olingo2BatchChangeRequest) request).getContentId(),
response.getHeader(HttpHeaders.LOCATION));
}
try {
responses.add(parseResponse(edm, contentIdLocationMap, request, response));
} catch (Exception e) {
// report any parsing errors as error response
responses.add(
new Olingo2BatchResponse(
Integer.parseInt(response.getStatusCode()),
response.getStatusInfo(),
response.getContentId(),
response.getHeaders(),
new ODataApplicationException(
"Error parsing response for " + request + ": " + e.getMessage(),
Locale.ENGLISH,
e)));
}
}
responseHandler.onResponse((T) responses);
break;
case URI4:
case URI5:
// simple property
// get the response content as Object for $value or Map<String, Object>
// otherwise
final List<EdmProperty> simplePropertyPath = uriInfo.getPropertyPath();
final EdmProperty simpleProperty =
simplePropertyPath.get(simplePropertyPath.size() - 1);
if (uriInfo.isValue()) {
responseHandler.onResponse(
(T)
EntityProvider.readPropertyValue(
simpleProperty, result.getEntity().getContent()));
} else {
responseHandler.onResponse(
(T)
EntityProvider.readProperty(
getContentType(),
simpleProperty,
result.getEntity().getContent(),
EntityProviderReadProperties.init().build()));
}
break;
case URI3:
// complex property
// get the response content as Map<String, Object>
final List<EdmProperty> complexPropertyPath = uriInfo.getPropertyPath();
final EdmProperty complexProperty =
complexPropertyPath.get(complexPropertyPath.size() - 1);
responseHandler.onResponse(
(T)
EntityProvider.readProperty(
getContentType(),
complexProperty,
result.getEntity().getContent(),
EntityProviderReadProperties.init().build()));
break;
case URI7A:
// $links with 0..1 cardinality property
// get the response content as String
final EdmEntitySet targetLinkEntitySet = uriInfo.getTargetEntitySet();
responseHandler.onResponse(
(T)
EntityProvider.readLink(
getContentType(),
targetLinkEntitySet,
result.getEntity().getContent()));
break;
case URI7B:
// $links with * cardinality property
// get the response content as java.util.List<String>
final EdmEntitySet targetLinksEntitySet = uriInfo.getTargetEntitySet();
responseHandler.onResponse(
(T)
EntityProvider.readLinks(
getContentType(),
targetLinksEntitySet,
result.getEntity().getContent()));
break;
case URI1:
case URI2:
case URI6A:
case URI6B:
// Entity
// get the response content as an ODataEntry object
responseHandler.onResponse(
(T)
EntityProvider.readEntry(
response.getContentHeader(),
uriInfo.getTargetEntitySet(),
result.getEntity().getContent(),
EntityProviderReadProperties.init().build()));
break;
default:
throw new ODataApplicationException(
"Unsupported resource type " + uriInfo.getTargetType(), Locale.ENGLISH);
}
}
}
});
} catch (ODataException e) {
responseHandler.onException(e);
} catch (URISyntaxException e) {
responseHandler.onException(e);
} catch (UnsupportedEncodingException e) {
responseHandler.onException(e);
} catch (IOException e) {
responseHandler.onException(e);
}
}
