@SuppressWarnings("nls")
private GetFieldDataResult processRequest(
GetFieldDataRequest request, Map<Integer, Model> modelLookupMap, List<Header> headers) {
try {
GetFieldDataResult fullResult = new GetFieldDataResult();
for (FieldDataCriteria fieldDataCriteria : request.getFieldDataCriteria()) {
for (FieldSelection fieldSelection : fieldDataCriteria.getFieldSelection()) {
if (fieldSelection.getFieldIdentifier().getSource() == null)
throw new UnsupportedOperationException(
"fieldSelection.getField().getFieldIdentifier().getSource()=null not supported");
String sourceName = fieldSelection.getFieldIdentifier().getSource();
if (sourceName == null)
throw new UnsupportedOperationException(
"fieldSelection.getField().getFieldIdentifier().getSource()="
+ sourceName
+ " not supported");
if (sourceName.equals(FieldSourceEnum.PREDIX_ASSET.name())) {
fieldSelection.getFieldIdentifier().setSource("handler/assetGetFieldDataHandler");
processSingleCustomHandler(
request, headers, fullResult, fieldDataCriteria, fieldSelection);
} else if (sourceName.equals(FieldSourceEnum.PREDIX_TIMESERIES.name())) {
fieldSelection.getFieldIdentifier().setSource("handler/timeseriesGetDataHandler");
processSingleCustomHandler(
request, headers, fullResult, fieldDataCriteria, fieldSelection);
} else if (sourceName.contains("/handler")) {
processSingleCustomHandler(
request, headers, fullResult, fieldDataCriteria, fieldSelection);
} else if (sourceName.startsWith("http://") || sourceName.startsWith("https://")) {
processRESTRequest(request, headers, fullResult, fieldDataCriteria, fieldSelection);
} else
throw new UnsupportedOperationException(
"fieldSelection.getField().getFieldIdentifier().getSource()="
+ sourceName
+ " not supported");
}
}
return fullResult;
} catch (IllegalStateException e) {
throw new RuntimeException("error in getFieldData", e);
}
}
@SuppressWarnings("nls")
private void processRESTRequest(
GetFieldDataRequest request,
List<Header> headers,
GetFieldDataResult fullResult,
FieldDataCriteria fieldDataCriteria,
FieldSelection fieldSelection) {
GetFieldDataResult singleResult = null;
GetFieldDataRequest singleRequest =
makeSingleRequest(request, fieldDataCriteria, fieldSelection);
String url = fieldSelection.getFieldIdentifier().getSource();
String method = fieldSelection.getFieldIdentifier().getName();
if (url == null || !url.startsWith("http://") || !url.startsWith("https://"))
throw new UnsupportedOperationException(
"please set the source to the url of REST service e.g. https://myservice.com");
if ("POST".equals(method.toUpperCase())) {
EntityBuilder builder = EntityBuilder.create();
builder.setText(this.mapper.toJson(singleRequest));
HttpEntity reqEntity = builder.build();
try (CloseableHttpResponse response =
this.restClient.post(url, reqEntity, null, 100, 1000); ) {
String res = this.restClient.getResponse(response);
singleResult = this.mapper.fromJson(res, GetFieldDataResult.class);
} catch (IOException e) {
throw new RuntimeException("Error when performing POST to Custom Rest Service : ", e);
}
} else if ("GET".equals(method.toUpperCase())) {
try (CloseableHttpResponse response = this.restClient.get(url, null, 100, 1000); ) {
String res = this.restClient.getResponse(response);
singleResult = this.mapper.fromJson(res, GetFieldDataResult.class);
} catch (IOException e) {
throw new RuntimeException("Error when performing GET to Custom Rest Service : ", e);
}
}
fullResult.getFieldData().addAll(singleResult.getFieldData());
}
/**
* @param request
* @param headers
* @param fullResult
* @param fieldDataCriteria
* @param fieldSelection -
*/
@SuppressWarnings("nls")
private void processSingleCustomHandler(
GetFieldDataRequest request,
List<Header> headers,
GetFieldDataResult fullResult,
FieldDataCriteria fieldDataCriteria,
FieldSelection fieldSelection) {
GetFieldDataRequest singleRequest =
makeSingleRequest(request, fieldDataCriteria, fieldSelection);
String source = fieldSelection.getFieldIdentifier().getSource();
if (!source.contains("handler/"))
throw new UnsupportedOperationException(
"please add the name of Spring Bean after handler e.g. handler/sampleHandler");
String beanName = source.substring(source.indexOf("handler/") + 8);
beanName = beanName.substring(0, 1).toLowerCase() + beanName.substring(1);
GetDataHandler bean = (GetDataHandler) this.context.getBean(beanName);
Map<Integer, Model> modelLookupMap = new HashMap<Integer, Model>();
GetFieldDataResult singleResult = bean.getData(singleRequest, modelLookupMap, headers);
fullResult.getFieldData().addAll(singleResult.getFieldData());
}