/**
* Get GeoServer WPS execute responses
*
* @param analysisLayer analysis method parameters
* @return one or more Wps execute responses
* @throws ServiceException
*/
private String requestFeatureSets(AnalysisLayer analysisLayer) throws ServiceException {
String featureSet = null;
Boolean doRequest = true;
if (analysisLayer.getMethod().equals(AnalysisParser.AGGREGATE)) {
StringBuilder sb = new StringBuilder();
// Loop aggregate attribute fields
// Temp save aggregate function setup
List<String> aggre_funcs =
((AggregateMethodParams) analysisLayer.getAnalysisMethodParams()).getAggreFunctions();
List<String> aggre_text_funcs = new ArrayList<String>();
aggre_text_funcs.add("Count");
for (String field : analysisLayer.getFields()) {
((AggregateMethodParams) analysisLayer.getAnalysisMethodParams()).setAggreField1(field);
if (analysisLayer.getFieldtypeMap().containsKey(field)) {
if (analysisLayer.getFieldtypeMap().get(field).equals("numeric")) {
((AggregateMethodParams) analysisLayer.getAnalysisMethodParams())
.setAggreFunctions(aggre_funcs);
if (aggre_funcs.size() == 0) doRequest = false;
} else {
((AggregateMethodParams) analysisLayer.getAnalysisMethodParams())
.setAggreFunctions(aggre_text_funcs);
doRequest = true;
}
}
sb.append("<fieldResult>");
sb.append("<field>" + field + "</field>");
if (doRequest) sb.append(wpsService.requestFeatureSet(analysisLayer));
if (analysisLayer.isNodataCount()) {
// Special aggregate process for NoDataCount - use count method with specific filter
((AggregateMethodParams) analysisLayer.getAnalysisMethodParams())
.setAggreFunctions(aggre_text_funcs);
((AggregateMethodParams) analysisLayer.getAnalysisMethodParams()).setDoNoDataCount(true);
sb.append("<fieldNoDataCount>");
String nodataresponse = wpsService.requestFeatureSet(analysisLayer);
// Wps wps input features fails, if no nodata feature fields (exception) --> skip
// Could be another wps exception as well
if (nodataresponse.indexOf("ows:Exception") == -1) sb.append(nodataresponse);
sb.append("</fieldNoDataCount>");
((AggregateMethodParams) analysisLayer.getAnalysisMethodParams()).setDoNoDataCount(false);
}
sb.append("</fieldResult>");
}
featureSet = sb.toString();
} else if (analysisLayer.getMethod().equals(AnalysisParser.DIFFERENCE)) {
// Get feature set via WFS 2.0 GetFeature
// WFS join select is not available in wfs 1.1.0
featureSet = wpsService.requestWFS2FeatureSet(analysisLayer);
} else {
featureSet = wpsService.requestFeatureSet(analysisLayer);
}
return featureSet;
}
/**
* Handles action_route CreateAnalysisLayer
*
* @param params Ajax request parameters
* **********************************************************************
*/
public void handleAction(ActionParameters params) throws ActionException {
if (params.getUser().isGuest()) {
throw new ActionDeniedException("Session expired");
}
final String analyse = params.getRequiredParam(PARAM_ANALYSE, ERROR_ANALYSE_PARAMETER_MISSING);
JSONObject analyseJson = JSONHelper.createJSONObject(analyse);
if (analyseJson == null) {
// json corrupted/parsing failed
throw new ActionParamsException(ERROR_ANALYSE_PARAMETER_MISSING);
}
// filter conf data
final String filter1 = params.getHttpParam(PARAM_FILTER1);
final String filter2 = params.getHttpParam(PARAM_FILTER2);
// Get baseProxyUrl
final String baseUrl = getBaseProxyUrl(params);
// User
String uuid = params.getUser().getUuid();
// note! analysisLayer is replaced in aggregate handling!!
AnalysisLayer analysisLayer = getAnalysisLayer(analyseJson, filter1, filter2, baseUrl, uuid);
Analysis analysis = null;
if (analysisLayer.getMethod().equals(AnalysisParser.LAYER_UNION)) {
// no WPS for merge analysis
analysis = analysisDataService.mergeAnalysisData(analysisLayer, analyse, params.getUser());
} else {
// Generate WPS XML
String featureSet = executeWPSprocess(analysisLayer);
if (analysisLayer.getMethod().equals(AnalysisParser.UNION)
|| analysisLayer.getMethod().equals(AnalysisParser.INTERSECT)
|| analysisLayer.getMethod().equals(AnalysisParser.SPATIAL_JOIN)) {
// Harmonize namespaces and element names
featureSet = analysisParser.harmonizeElementNames(featureSet, analysisLayer);
}
// Add data to analysis db - we must create still an union in aggregate case
if (analysisLayer.getMethod().equals(AnalysisParser.AGGREGATE)) {
// No store to analysis db for aggregate - set results in to the
// response
// Save analysis results - use union of input data
analysisLayer.setWpsLayerId(-1);
final String aggregateResult =
this.localiseAggregateResult(
analysisParser.parseAggregateResults(featureSet, analysisLayer), analyseJson);
log.debug("\nAggregate results:\n", aggregateResult, "\n");
/*
Aggregate results:
{"fi_url_1":{"Count":4},"tmp_id":{"Sum":45301,"Median":12232,"Count":4,"Standar
d deviation":3186.3551571505645,"Maximum":14592,"Average":11325.25,"Minimum":624
5},"fi_url_3":{"Count":4},"postinumero":{"Count":4},"fi_url_2":{"Count":4},"fi_s
posti_1":{"Count":4},"kuntakoodi":{"Count":4},"fi_osoite":{"Count":4},"fi_nimi":
{"Count":4},"kto_tarkennus":{"Count":4}}
*/
analysisLayer.setResult(aggregateResult);
// Get geometry for aggretage features
try {
// Just return result as JSON and don't save analysis to DB
if (!params.getHttpParam(PARAM_SAVE_BLN, true)) {
// NOTE!! Replacing the analysisLayer!
// Get response as geojson when no db store
analysisLayer =
getAggregateLayer(analyse, filter1, filter2, baseUrl, analysisLayer, JSONFORMAT);
featureSet = wpsService.requestFeatureSet(analysisLayer);
// Just return result as JSON and don't save analysis to DB
// Get geometry as geojson for hilighting features of aggregate result
JSONObject geojson = JSONHelper.createJSONObject(featureSet);
JSONObject jsaggregate = JSONHelper.createJSONObject(aggregateResult);
JSONObject results = new JSONObject();
JSONHelper.putValue(results, JSON_KEY_GEOJSON, geojson);
JSONHelper.putValue(results, JSON_KEY_AGGREGATE_RESULT, jsaggregate);
ResponseHelper.writeResponse(params, results);
return;
}
// NOTE!! Replacing the analysisLayer! - response is gml
analysisLayer =
getAggregateLayer(analyse, filter1, filter2, baseUrl, analysisLayer, null);
featureSet = wpsService.requestFeatureSet(analysisLayer);
// Harmonize namespaces and element names
featureSet = analysisParser.harmonizeElementNames(featureSet, analysisLayer);
featureSet =
analysisParser.mergeAggregateResults2FeatureSet(
featureSet,
analysisLayer,
this.getRowOrder(analyseJson),
this.getColumnOrder(analyseJson));
// Redefine column types
analysisLayer.setFieldtypeMap(
this.getAggregateFieldTypes(this.getColumnOrder(analyseJson)));
} catch (ServiceException e) {
throw new ActionException(ERROR_UNABLE_TO_GET_FEATURES_FOR_UNION, e);
}
}
// Add extra TypeNames (depends on wps method)
analysisParser.fixTypeNames(analysisLayer);
// Fix geometry property name for WFST (could be any, depends on Wps method )
fixGeometryPropertyName(analysisLayer);
analysis =
analysisDataService.storeAnalysisData(
featureSet, analysisLayer, analyse, params.getUser());
}
if (analysis == null) {
this.MyError(ERROR_UNABLE_TO_STORE_ANALYSIS_DATA, params, null);
return;
}
analysisLayer.setWpsLayerId(analysis.getId()); // aka. analysis_id
// Analysis field mapping
analysisLayer.setLocaleFields(analysis);
analysisLayer.setNativeFields(analysis);
// copy permissions from source layer to new analysis
final Resource sourceResource =
getSourcePermission(analysisParser.getSourceLayerId(analyseJson), params.getUser());
if (sourceResource != null) {
final Resource analysisResource = new Resource();
analysisResource.setType(AnalysisLayer.TYPE);
analysisResource.setMapping("analysis", Long.toString(analysis.getId()));
for (Permission p : sourceResource.getPermissions()) {
// check if user has role matching permission?
if (p.isOfType(Permissions.PERMISSION_TYPE_PUBLISH)
|| p.isOfType(Permissions.PERMISSION_TYPE_VIEW_PUBLISHED)) {
analysisResource.addPermission(p.clonePermission());
}
}
log.debug(
"Trying to save permissions for analysis",
analysisResource,
analysisResource.getPermissions());
permissionsService.saveResourcePermissions(analysisResource);
} else {
log.warn("Couldn't get source permissions for analysis, result will have none");
}
// Get analysisLayer JSON for response to front
final JSONObject analysisLayerJSON = AnalysisHelper.getlayerJSON(analysis);
// Additional param for new layer creation when merging layers:
// - Notify client to remove merged layers since they are removed from backend
JSONArray mlayers = new JSONArray();
if (analysisLayer.getMergeAnalysisLayers() != null) {
for (String lay : analysisLayer.getMergeAnalysisLayers()) {
mlayers.put(lay);
}
}
JSONHelper.putValue(analysisLayerJSON, "mergeLayers", mlayers);
Set<String> permissionsList = permissionsService.getPublishPermissions(AnalysisLayer.TYPE);
Set<String> downloadPermissionsList =
permissionsService.getDownloadPermissions(AnalysisLayer.TYPE);
Set<String> editAccessList = null;
String permissionKey = "analysis+" + analysis.getId();
JSONObject permissions =
OskariLayerWorker.getPermissions(
params.getUser(),
permissionKey,
permissionsList,
downloadPermissionsList,
editAccessList);
JSONHelper.putValue(analysisLayerJSON, "permissions", permissions);
ResponseHelper.writeResponse(params, analysisLayerJSON);
}