protected void streamOperationOutcome(
BaseServerResponseException theE,
RestfulServer theServer,
EncodingEnum theEncodingNotNull,
HttpServletResponse theResponse,
RequestDetails theRequest)
throws IOException {
theResponse.setStatus(theE.getStatusCode());
theServer.addHeadersToResponse(theResponse);
if (theE.getOperationOutcome() != null) {
theResponse.setContentType(theEncodingNotNull.getResourceContentType());
IParser parser = theEncodingNotNull.newParser(theServer.getFhirContext());
parser.setPrettyPrint(RestfulServerUtils.prettyPrintResponse(theServer, theRequest));
Writer writer = theResponse.getWriter();
try {
parser.encodeResourceToWriter(theE.getOperationOutcome(), writer);
} finally {
writer.close();
}
} else {
theResponse.setContentType(Constants.CT_TEXT);
Writer writer = theResponse.getWriter();
try {
writer.append(theE.getMessage());
} finally {
writer.close();
}
}
}
public void process(Bundle bundle) {
Bundle response = null;
RecordMatchResultsBuilder respBuilder;
if (BundleType.MESSAGE.equals(bundle.getType())) {
// Create a CSV data source for FRIL
final File jobDir = newRunDir(workDir);
final List<BundleEntryComponent> bundleEntries = bundle.getEntry();
try {
// The first entry is supposed to be the MessageHeader
// This will force an exception if not true.
final MessageHeader msgHdr = (MessageHeader) bundleEntries.get(0).getResource();
// This log statement keeps above from getting optimized out
LOG.trace("msg hdr id {}", msgHdr.getId());
Parameters masterQryParams = null;
Parameters queryQryParams = null;
String masterSearchUrl = null;
String querySearchUrl = null;
String masterServerBase = null;
String queryServerBase = null;
String resourceType = "Patient";
boolean isDeduplication = true;
// Find the Parameters resources that contain the search parameters
// and use those to construct search Urls
for (BundleEntryComponent entry : bundleEntries) {
Resource r = entry.getResource();
LOG.debug("Found Resource type: " + r.getResourceType().toString());
if (ResourceType.Parameters.equals(r.getResourceType())) {
Parameters params = (Parameters) r;
List<ParametersParameterComponent> paramList = params.getParameter();
// Now look for the parameter with name, resourceType.
ParametersParameterComponent p = ParametersUtil.findByName(paramList, RESOURCE_TYPE);
if (p != null) {
resourceType = p.getValue().toString();
}
// Find parameter that distinguishes between master and query sets
p = ParametersUtil.findByName(paramList, "type");
if (p != null) {
String val = p.getValue().toString();
if (val.equalsIgnoreCase(MASTER)) {
masterQryParams = params;
masterSearchUrl = buildSearchUrl(params);
masterServerBase = getServerBase(resourceType, masterQryParams);
} else if (val.equalsIgnoreCase(QUERY)) {
queryQryParams = params;
querySearchUrl = buildSearchUrl(params);
queryServerBase = getServerBase(resourceType, queryQryParams);
}
}
}
}
if (masterSearchUrl == null) {
final String errMsg =
"Required Parameter for master record set is missing, bundle: " + bundle.getId();
LOG.warn(errMsg);
// Construct and return an error result
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.FATALERROR);
respBuilder.outcomeIssueDiagnostics(errMsg);
response = respBuilder.build();
getProducer().sendBody(getProducerEndpointUri(), response);
return;
}
LoggingInterceptor loggingInterceptor = null;
if (LOG.isDebugEnabled()) {
loggingInterceptor = new LoggingInterceptor(true);
fhirRestClient.registerInterceptor(loggingInterceptor);
}
int numMasterRecs = 0;
try {
// Retrieve the data associated with the search urls
numMasterRecs = retrieveAndStoreData(masterSearchUrl, masterServerBase, jobDir, "master");
if (querySearchUrl != null) {
isDeduplication = false;
retrieveAndStoreData(querySearchUrl, queryServerBase, jobDir, "query");
}
} catch (BaseServerResponseException e) {
final String errMsg =
String.format(
"Error response from server. code: %d, %s", e.getStatusCode(), e.getMessage());
LOG.warn(errMsg);
// Construct and return an error result
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.FATALERROR);
respBuilder.outcomeIssueDiagnostics(errMsg);
response = respBuilder.build();
getProducer().sendBody(getProducerEndpointUri(), response);
return;
} catch (Exception e) {
final String errMsg = String.format("Unable to retrieve messages: %s", e.getMessage());
LOG.warn(errMsg, e);
// Construct and return an error result
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.FATALERROR);
respBuilder.outcomeIssueDiagnostics(errMsg);
response = respBuilder.build();
getProducer().sendBody(getProducerEndpointUri(), response);
return;
} finally {
if (loggingInterceptor != null) {
fhirRestClient.unregisterInterceptor(loggingInterceptor);
}
}
// if no records were returned for the master record set query
if (numMasterRecs == 0) {
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.OK);
respBuilder.outcomeDetailText("No Records Found in Master Record Set");
response = respBuilder.build();
} else {
final File configFile = prepareMatchingRuleConfiguration(isDeduplication, jobDir);
// Perform the Match Operation
LOG.debug("About to Start FRIL w/ config {}", configFile.getAbsolutePath());
final int numMatches = findMatches(isDeduplication, configFile);
LOG.info("FRIL Number of Matches: {}", numMatches);
if (numMatches == 0) {
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.OK);
respBuilder.outcomeDetailText("No Matches Found");
response = respBuilder.build();
} else if (numMatches > 0) {
// Find the name of the file containing duplicates from the config
// file
final File dupsFile = getDuplicatesFile(configFile);
// Ensure the duplicates file exists
if (!dupsFile.exists()) {
final String errMsg = "Unable to find duplicates file";
LOG.error(errMsg + " at " + dupsFile.getAbsolutePath());
throw new FileNotFoundException(errMsg);
}
// Construct results
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.OK);
respBuilder.outcomeDetailText("Deduplication Complete");
respBuilder.duplicates(dupsFile);
response = respBuilder.build();
} else {
final String errMsg = "Unknown Processing Error";
LOG.error("{} bundleId: {}", errMsg, bundle.getId());
// Construct an error result
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.FATALERROR);
respBuilder.outcomeIssueDiagnostics(errMsg);
response = respBuilder.build();
}
}
} catch (Exception e) {
final String errMsg = "Unexpected Error";
LOG.error("Processing bundle: {}", bundle.getId(), e);
// Construct an error result
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.FATALERROR);
respBuilder.outcomeIssueDiagnostics(errMsg);
try {
response = respBuilder.build();
} catch (IOException ioe) {
// only so many times we can attempt to send a response; log error
LOG.error("Unable to Send Error Response. request bundle: {}", bundle.getId(), ioe);
}
}
if (deleteJobResults) {
// Delete the Job Results folder and content
deleteFolder(jobDir);
}
} else {
final String errMsg = "Unsupported Bundle type: " + bundle.getType().toString();
LOG.info("{} msgId: {}", errMsg, bundle.getId());
// Construct an error result
respBuilder = new RecordMatchResultsBuilder(bundle, ResponseType.FATALERROR);
respBuilder.outcomeIssueDiagnostics(errMsg);
try {
response = respBuilder.build();
} catch (IOException e) {
// only so many times we can attempt to send a response; log error
LOG.error("Unable to Send Error Response. request bundle: {}", bundle.getId());
}
}
// Send the response back to the requester
if (response != null) {
getProducer().sendBody(getProducerEndpointUri(), response);
} else {
LOG.error("Null Response for request! bundleId: {}", bundle.getId());
}
}
private Bundle batch(final RequestDetails theRequestDetails, Bundle theRequest) {
ourLog.info("Beginning batch with {} resources", theRequest.getEntry().size());
long start = System.currentTimeMillis();
TransactionTemplate txTemplate = new TransactionTemplate(myTxManager);
txTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
Bundle resp = new Bundle();
resp.setType(BundleType.BATCHRESPONSE);
OperationOutcome ooResp = new OperationOutcome();
resp.addEntry().setResource(ooResp);
/*
* For batch, we handle each entry as a mini-transaction in its own database transaction so that if one fails, it doesn't prevent others
*/
for (final BundleEntryComponent nextRequestEntry : theRequest.getEntry()) {
TransactionCallback<Bundle> callback =
new TransactionCallback<Bundle>() {
@Override
public Bundle doInTransaction(TransactionStatus theStatus) {
Bundle subRequestBundle = new Bundle();
subRequestBundle.setType(BundleType.TRANSACTION);
subRequestBundle.addEntry(nextRequestEntry);
Bundle subResponseBundle =
transaction(
(ServletRequestDetails) theRequestDetails,
subRequestBundle,
"Batch sub-request");
return subResponseBundle;
}
};
BaseServerResponseException caughtEx;
try {
Bundle nextResponseBundle = txTemplate.execute(callback);
caughtEx = null;
BundleEntryComponent subResponseEntry = nextResponseBundle.getEntry().get(0);
resp.addEntry(subResponseEntry);
/*
* If the individual entry didn't have a resource in its response, bring the sub-transaction's OperationOutcome across so the client can see it
*/
if (subResponseEntry.getResource() == null) {
subResponseEntry.setResource(nextResponseBundle.getEntry().get(0).getResource());
}
} catch (BaseServerResponseException e) {
caughtEx = e;
} catch (Throwable t) {
ourLog.error("Failure during BATCH sub transaction processing", t);
caughtEx = new InternalErrorException(t);
}
if (caughtEx != null) {
BundleEntryComponent nextEntry = resp.addEntry();
OperationOutcome oo = new OperationOutcome();
oo.addIssue().setSeverity(IssueSeverity.ERROR).setDiagnostics(caughtEx.getMessage());
nextEntry.setResource(oo);
BundleEntryResponseComponent nextEntryResp = nextEntry.getResponse();
nextEntryResp.setStatus(toStatusString(caughtEx.getStatusCode()));
}
}
long delay = System.currentTimeMillis() - start;
ourLog.info("Batch completed in {}ms", new Object[] {delay});
ooResp
.addIssue()
.setSeverity(IssueSeverity.INFORMATION)
.setDiagnostics("Batch completed in " + delay + "ms");
return resp;
}
<T> T invokeClient(
FhirContext theContext,
IClientResponseHandler<T> binding,
BaseHttpClientInvocation clientInvocation,
EncodingEnum theEncoding,
Boolean thePrettyPrint,
boolean theLogRequestAndResponse) {
if (!myDontValidateConformance) {
myFactory.validateServerBaseIfConfiguredToDoSo(myUrlBase, myClient, this);
}
// TODO: handle non 2xx status codes by throwing the correct exception,
// and ensure it's passed upwards
HttpRequestBase httpRequest;
HttpResponse response;
try {
Map<String, List<String>> params = createExtraParams();
if (theEncoding == EncodingEnum.XML) {
params.put(Constants.PARAM_FORMAT, Collections.singletonList("xml"));
} else if (theEncoding == EncodingEnum.JSON) {
params.put(Constants.PARAM_FORMAT, Collections.singletonList("json"));
}
if (thePrettyPrint == Boolean.TRUE) {
params.put(
Constants.PARAM_PRETTY, Collections.singletonList(Constants.PARAM_PRETTY_VALUE_TRUE));
}
EncodingEnum encoding = getEncoding();
if (theEncoding != null) {
encoding = theEncoding;
}
httpRequest = clientInvocation.asHttpRequest(myUrlBase, params, encoding, thePrettyPrint);
if (theLogRequestAndResponse) {
ourLog.info("Client invoking: {}", httpRequest);
if (httpRequest instanceof HttpEntityEnclosingRequest) {
HttpEntity entity = ((HttpEntityEnclosingRequest) httpRequest).getEntity();
if (entity.isRepeatable()) {
String content = IOUtils.toString(entity.getContent());
ourLog.info("Client request body: {}", content);
}
}
}
for (IClientInterceptor nextInterceptor : myInterceptors) {
nextInterceptor.interceptRequest(httpRequest);
}
response = myClient.execute(httpRequest);
for (IClientInterceptor nextInterceptor : myInterceptors) {
nextInterceptor.interceptResponse(response);
}
} catch (DataFormatException e) {
throw new FhirClientConnectionException(e);
} catch (IOException e) {
throw new FhirClientConnectionException(e);
}
try {
String mimeType;
if (Constants.STATUS_HTTP_204_NO_CONTENT == response.getStatusLine().getStatusCode()) {
mimeType = null;
} else {
ContentType ct = ContentType.get(response.getEntity());
mimeType = ct != null ? ct.getMimeType() : null;
}
Map<String, List<String>> headers = new HashMap<String, List<String>>();
if (response.getAllHeaders() != null) {
for (Header next : response.getAllHeaders()) {
String name = next.getName().toLowerCase();
List<String> list = headers.get(name);
if (list == null) {
list = new ArrayList<String>();
headers.put(name, list);
}
list.add(next.getValue());
}
}
if (response.getStatusLine().getStatusCode() < 200
|| response.getStatusLine().getStatusCode() > 299) {
String body = null;
Reader reader = null;
try {
reader = createReaderFromResponse(response);
body = IOUtils.toString(reader);
} catch (Exception e) {
ourLog.debug("Failed to read input stream", e);
} finally {
IOUtils.closeQuietly(reader);
}
String message =
"HTTP "
+ response.getStatusLine().getStatusCode()
+ " "
+ response.getStatusLine().getReasonPhrase();
BaseOperationOutcome oo = null;
if (Constants.CT_TEXT.equals(mimeType)) {
message = message + ": " + body;
} else {
EncodingEnum enc = EncodingEnum.forContentType(mimeType);
if (enc != null) {
IParser p = enc.newParser(theContext);
try {
// TODO: handle if something other than OO comes back
oo = (BaseOperationOutcome) p.parseResource(body);
if (oo.getIssueFirstRep().getDetailsElement().isEmpty() == false) {
message = message + ": " + oo.getIssueFirstRep().getDetailsElement().getValue();
}
} catch (Exception e) {
ourLog.debug("Failed to process OperationOutcome response");
}
}
}
keepResponseAndLogIt(theLogRequestAndResponse, response, body);
BaseServerResponseException exception =
BaseServerResponseException.newInstance(
response.getStatusLine().getStatusCode(), message);
exception.setOperationOutcome(oo);
if (body != null) {
exception.setResponseBody(body);
}
throw exception;
}
if (binding instanceof IClientResponseHandlerHandlesBinary) {
IClientResponseHandlerHandlesBinary<T> handlesBinary =
(IClientResponseHandlerHandlesBinary<T>) binding;
if (handlesBinary.isBinary()) {
InputStream reader = response.getEntity().getContent();
try {
if (ourLog.isTraceEnabled() || myKeepResponses || theLogRequestAndResponse) {
byte[] responseBytes = IOUtils.toByteArray(reader);
if (myKeepResponses) {
myLastResponse = response;
myLastResponseBody = null;
}
String message =
"HTTP "
+ response.getStatusLine().getStatusCode()
+ " "
+ response.getStatusLine().getReasonPhrase();
if (theLogRequestAndResponse) {
ourLog.info("Client response: {} - {} bytes", message, responseBytes.length);
} else {
ourLog.trace("Client response: {} - {} bytes", message, responseBytes.length);
}
reader = new ByteArrayInputStream(responseBytes);
}
return handlesBinary.invokeClient(
mimeType, reader, response.getStatusLine().getStatusCode(), headers);
} finally {
IOUtils.closeQuietly(reader);
}
}
}
Reader reader = createReaderFromResponse(response);
if (ourLog.isTraceEnabled() || myKeepResponses || theLogRequestAndResponse) {
String responseString = IOUtils.toString(reader);
keepResponseAndLogIt(theLogRequestAndResponse, response, responseString);
reader = new StringReader(responseString);
}
try {
return binding.invokeClient(
mimeType, reader, response.getStatusLine().getStatusCode(), headers);
} finally {
IOUtils.closeQuietly(reader);
}
} catch (IllegalStateException e) {
throw new FhirClientConnectionException(e);
} catch (IOException e) {
throw new FhirClientConnectionException(e);
} finally {
if (response instanceof CloseableHttpResponse) {
try {
((CloseableHttpResponse) response).close();
} catch (IOException e) {
ourLog.debug("Failed to close response", e);
}
}
}
}