@Override
public Object invokeClient(
String theResponseMimeType,
Reader theResponseReader,
int theResponseStatusCode,
Map<String, List<String>> theHeaders)
throws IOException {
IParser parser =
createAppropriateParserForParsingResponse(
theResponseMimeType, theResponseReader, theResponseStatusCode);
switch (getReturnType()) {
case BUNDLE:
{
Bundle bundle;
if (myResourceType != null) {
bundle = parser.parseBundle(myResourceType, theResponseReader);
} else {
bundle = parser.parseBundle(theResponseReader);
}
switch (getMethodReturnType()) {
case BUNDLE:
return bundle;
case LIST_OF_RESOURCES:
List<IResource> listOfResources;
if (myResourceListCollectionType != null) {
listOfResources = new ArrayList<IResource>();
for (IResource next : bundle.toListOfResources()) {
if (!myResourceListCollectionType.isAssignableFrom(next.getClass())) {
ourLog.debug(
"Not returning resource of type {} because it is not a subclass or instance of {}",
next.getClass(),
myResourceListCollectionType);
continue;
}
listOfResources.add(next);
}
} else {
listOfResources = bundle.toListOfResources();
}
return listOfResources;
case RESOURCE:
List<IResource> list = bundle.toListOfResources();
if (list.size() == 0) {
return null;
} else if (list.size() == 1) {
return list.get(0);
} else {
throw new InvalidResponseException(
theResponseStatusCode,
"FHIR server call returned a bundle with multiple resources, but this method is only able to returns one.");
}
case BUNDLE_PROVIDER:
throw new IllegalStateException(
"Return type of "
+ IBundleProvider.class.getSimpleName()
+ " is not supported in clients");
}
break;
}
case RESOURCE:
{
IResource resource;
if (myResourceType != null) {
resource = parser.parseResource(myResourceType, theResponseReader);
} else {
resource = parser.parseResource(theResponseReader);
}
MethodUtil.parseClientRequestResourceHeaders(null, theHeaders, resource);
switch (getMethodReturnType()) {
case BUNDLE:
return Bundle.withSingleResource(resource);
case LIST_OF_RESOURCES:
return Collections.singletonList(resource);
case RESOURCE:
return resource;
case BUNDLE_PROVIDER:
throw new IllegalStateException(
"Return type of "
+ IBundleProvider.class.getSimpleName()
+ " is not supported in clients");
}
break;
}
}
throw new IllegalStateException("Should not get here!");
}
