/**
* Makes a GetCoverage request, returns the response as a stream of data
*
* @param serviceUrl The WCS endpoint to query
* @param coverageName The coverage layername to request
* @param inputCrs the coordinate reference system to query
* @param downloadFormat File format to request
* @param outputCrs [Optional] The Coordinate reference system of the output data
* @param outputSize The size of the coverage to request (cannot be used with outputResolution)
* @param outputResolution When requesting a georectified grid coverage, this requests a subset
* with a specific spatial resolution (Not compatible with outputSize)
* @param bbox [Optional] Spatial bounds to limit request
* @param timeConstraint [Optional] Temporal bounds to limit request
* @param customParameters [Optional] a list of additional request parameters
* @throws PortalServiceException
*/
public InputStream getCoverage(
String serviceUrl,
String coverageName,
String downloadFormat,
Dimension outputSize,
Resolution outputResolution,
String outputCrs,
String inputCrs,
CSWGeographicBoundingBox bbox,
TimeConstraint timeConstraint,
Map<String, String> customParameters)
throws PortalServiceException {
HttpRequestBase method = null;
try {
method =
methodMaker.getCoverageMethod(
serviceUrl,
coverageName,
downloadFormat,
outputCrs,
outputSize,
outputResolution,
inputCrs,
bbox,
timeConstraint,
customParameters);
return serviceCaller.getMethodResponseAsStream(method);
} catch (Exception ex) {
throw new PortalServiceException(method, "Error while making GetCoverage request", ex);
}
}
/**
* Makes a DescribeCoverage request, returns the response as an array of DescribeCoverageRecords
*
* @param serviceUrl The WCS endpoint to query
* @param coverageName The coverage name to describe
* @throws URISyntaxException
*/
public DescribeCoverageRecord[] describeCoverage(String serviceUrl, String coverageName)
throws PortalServiceException {
HttpRequestBase method = null;
try {
method = methodMaker.describeCoverageMethod(serviceUrl, coverageName);
try (InputStream response = serviceCaller.getMethodResponseAsStream(method)) {
Document responseDoc = DOMUtil.buildDomFromStream(response);
OWSExceptionParser.checkForExceptionResponse(responseDoc);
return DescribeCoverageRecord.parseRecords(responseDoc);
}
} catch (Exception ex) {
throw new PortalServiceException(method, "Error while making GetCoverage request", ex);
} finally {
if (method != null) {
method.releaseConnection();
}
}
}
