/** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws RequestBodyExceededException, IOException {
try {
Document document = ServletHandlingUtils.extractXMLRequestDocument(request);
Map<String, String[]> parameterMap = createParameterMapFromDocument(document);
// we're going to treat this as a GetObservation by default if not specified
parameterMap = applyBusinessRules(parameterMap);
queryAndSend(request, response, parameterMap);
} catch (RequestBodyExceededException rbe) {
// If we get errors in the request parsing, then just send the error
int errorCode =
(rbe.errorCode != null) ? rbe.errorCode : 403; // 403 as default value for error code
rbe.printStackTrace();
response.sendError(errorCode, rbe.getMessage());
} catch (Exception e) {
e.printStackTrace();
}
}
private void queryAndSend(
HttpServletRequest request, HttpServletResponse response, Map<String, String[]> parameterMap)
throws IOException {
ServletHandlingUtils.dumpRequestParamsToConsole(parameterMap);
// TODO parameterMap may or may not be case-insensitive, depending on path of arrival post or
// get. Correct this later.
SOS_1_0_Operation opType = SOS_1_0_Operation.parse(parameterMap.get("request"));
ServletOutputStream outputStream = response.getOutputStream();
response.setContentType(OGC_WFSConstants.DEFAULT_DESCRIBEFEATURETYPE_OUTPUTFORMAT);
response.setCharacterEncoding(DEFAULT_ENCODING);
switch (opType) {
case GetObservationById:
parameterMap = cleanObservationId(parameterMap);
if (parameterMap.get(OGCBusinessRules.FEATURE_ID) == null) {
// for us, the observationId is really the featureId
parameterMap.put(OGCBusinessRules.FEATURE_ID, parameterMap.get(OBSERVATION_ID));
}
// intentional fall through to GetObservation
case GetObservation:
parameterMap = USGS_OGC_BusinessRules.cleanFeatureId(parameterMap);
try {
XMLStreamReader streamReader =
getXMLStreamReaderDAO().getStreamReader("dvMapper.observationsSelect", parameterMap);
XMLStreamWriter streamWriter = xmlOutputFactory.createXMLStreamWriter(outputStream);
XMLStreamUtils.copy(streamReader, streamWriter);
} catch (Exception e) {
e.printStackTrace();
} finally {
outputStream.flush();
}
break;
case GetDataAvailability:
parameterMap = USGS_OGC_BusinessRules.cleanFeatureId(parameterMap);
try {
XMLStreamReader streamReader =
getXMLStreamReaderDAO().getStreamReader("dataMapper.dataSelect_1", parameterMap);
XMLStreamWriter streamWriter = xmlOutputFactory.createXMLStreamWriter(outputStream);
XMLStreamUtils.copy(streamReader, streamWriter);
} catch (Exception e) {
e.printStackTrace();
} finally {
outputStream.flush();
}
break;
case GetHistoricalData:
parameterMap = USGS_OGC_BusinessRules.cleanFeatureId(parameterMap);
try {
XMLStreamReader streamReader =
getXMLStreamReaderDAO()
.getStreamReader("HistoricalMapper.dataHistorySelect", parameterMap);
XMLStreamWriter streamWriter = xmlOutputFactory.createXMLStreamWriter(outputStream);
XMLStreamUtils.copy(streamReader, streamWriter);
} catch (Exception e) {
e.printStackTrace();
} finally {
outputStream.flush();
}
break;
case GetCapabilities:
{
Map<String, String> replacementMap = new HashMap<String, String>();
replacementMap.put("base.url", ServletHandlingUtils.parseBaseURL(request));
// Just sending back static file for now.
String resource = "/ogc/sos/dv" + opType.name() + ".xml";
String errorMessage = "<error>Unable to retrieve resource " + resource + "</error";
FileResponseUtil.writeToStreamWithReplacements(
resource, outputStream, replacementMap, errorMessage);
}
break;
case GetProfile:
case DescribeSensor:
{
Map<String, String> replacementMap = new HashMap<String, String>();
replacementMap.put("base.url", ServletHandlingUtils.parseBaseURL(request));
// Just sending back static file for now.
String resource = "/ogc/sos/" + opType.name() + ".xml";
String errorMessage = "<error>Unable to retrieve resource " + resource + "</error";
FileResponseUtil.writeToStreamWithReplacements(
resource, outputStream, replacementMap, errorMessage);
}
break;
default:
BufferedWriter writer = FileResponseUtil.wrapAsBufferedWriter(outputStream);
try {
writer.append("unrecognized or unhandled REQUEST type = " + opType);
} catch (Exception e) {
// TODO: handle exception
} finally {
outputStream.flush();
}
break;
}
}