public void handleAction(ActionParameters params) throws ActionException {
final JSONObject root = new JSONObject();
// Because of analysis layers
String sid = params.getHttpParam(ID, "n/a");
final int id = ConversionHelper.getInt(getBaseLayerId(sid), 0);
final HttpServletResponse response = params.getResponse();
response.setContentType("application/json");
if (id == 0) {
JSONHelper.putValue(root, ERROR, ERROR_NO_ID);
ResponseHelper.writeResponse(params, root);
// FIXME: throw ActionParamsException instead and modify client
// response parsing
return;
}
String json = WFSLayerConfiguration.getCache(id + "");
if (json == null) {
WFSLayerConfiguration lc = layerConfigurationService.findConfiguration(id);
log.warn("id", id);
log.warn(lc);
// Extra manage for analysis
if (sid.indexOf(ANALYSIS_PREFIX) > -1) {
log.warn("sid", sid);
// set id to original analysis layer id
lc.setLayerId(sid);
// Set analysis layer fields as id based
lc.setSelectedFeatureParams(getAnalysisFeatureProperties(sid));
}
// Extra manage for analysis
else if (sid.indexOf(MYPLACES_PREFIX) > -1) {
log.warn("sid", sid);
// set id to original my places layer id
lc.setLayerId(sid);
} else if (sid.indexOf(USERLAYER_PREFIX) > -1) {
log.warn("sid", sid);
// set id to original user layer id
lc.setLayerId(sid);
}
if (lc == null) {
JSONHelper.putValue(root, ERROR, ERROR_NOT_FOUND);
ResponseHelper.writeResponse(params, root);
// FIXME: throw ActionParamsException instead and modify client
// response parsing
return;
}
lc.save();
}
JSONHelper.putValue(root, RESULT, RESULT_SUCCESS);
ResponseHelper.writeResponse(params, root);
}
/**
* Parses WFS filter
*
* @param lc WFS layer configuration
* @param filter WFS filter params
* @param analysisId Analysis id when input is analysislayer, in other case null
* @return String WFS filter xml
* @throws fi.nls.oskari.service.ServiceException
* **********************************************************************
*/
private String parseFilter(
WFSLayerConfiguration lc, String filter, String analysisId, String categoryId)
throws ServiceException {
JSONObject filter_js = null;
try {
if (filter == null) {
String idfilter = null;
if (analysisId != null) {
// Add analysis id filter when analysis in analysis
idfilter = FILTER_ID_TEMPLATE1.replace("{propertyName}", ANALYSIS_PROPERTY_NAME);
idfilter = idfilter.replace("{propertyValue}", analysisId);
} else if (categoryId != null) {
// Add category id filter when myplaces in analysis
idfilter = FILTER_ID_TEMPLATE1.replace("{propertyName}", MYPLACES_PROPERTY_NAME);
idfilter = idfilter.replace("{propertyValue}", categoryId);
}
if (idfilter != null) filter_js = JSONHelper.createJSONObject(idfilter);
} else {
filter_js = JSONHelper.createJSONObject(filter);
// Add analysis id filter when analysis in analysis
if (filter_js.has(JSON_KEY_FILTERS)) {
String idfilter = null;
if (analysisId != null) {
// Add analysis id filter when analysis in analysis
idfilter = FILTER_ID_TEMPLATE2.replace("{propertyName}", ANALYSIS_PROPERTY_NAME);
idfilter = idfilter.replace("{propertyValue}", analysisId);
} else if (categoryId != null) {
// Add category id filter when myplaces in analysis
idfilter = FILTER_ID_TEMPLATE2.replace("{propertyName}", MYPLACES_PROPERTY_NAME);
idfilter = idfilter.replace("{propertyValue}", categoryId);
}
if (idfilter != null) {
JSONObject analysis_id_filter = JSONHelper.createJSONObject(idfilter);
filter_js.getJSONArray(JSON_KEY_FILTERS).put(analysis_id_filter);
}
} else {
String idfilter = null;
if (analysisId != null) {
// Add analysis id filter when analysis in analysis
idfilter = FILTER_ID_TEMPLATE3.replace("{propertyName}", ANALYSIS_PROPERTY_NAME);
idfilter = idfilter.replace("{propertyValue}", analysisId);
} else if (categoryId != null) {
// Add category id filter when myplaces in analysis
idfilter = FILTER_ID_TEMPLATE3.replace("{propertyName}", MYPLACES_PROPERTY_NAME);
idfilter = idfilter.replace("{propertyValue}", categoryId);
}
if (idfilter != null) {
JSONArray idfilter_js = JSONHelper.createJSONArray(idfilter);
filter_js.put(JSON_KEY_FILTERS, idfilter_js);
}
}
}
} catch (JSONException e) {
log.warn(e, "JSON parse failed");
}
// Build filter
final String wfs_filter =
WFSFilterBuilder.parseWfsFilter(filter_js, lc.getSRSName(), lc.getGMLGeometryProperty());
return wfs_filter;
}
/**
* Parses INTERSECT method parameters for WPS execute xml variables
*
* @param lc WFS layer configuration
* @param json Method parameters and layer info from the front
* @param baseUrl Url for Geoserver WPS reference input (input FeatureCollection)
* @return IntersectMethodParams parameters for WPS execution
* **********************************************************************
*/
private IntersectMethodParams parseIntersectParams(
WFSLayerConfiguration lc, WFSLayerConfiguration lc2, JSONObject json, String baseUrl)
throws ServiceException {
IntersectMethodParams method = new IntersectMethodParams();
//
method.setMethod(INTERSECT);
// General variable input and variable input of union input 1
method.setLayer_id(ConversionHelper.getInt(lc.getLayerId(), 0));
method.setServiceUrl(lc.getURL());
baseUrl = baseUrl.replace("&", "&");
method.setHref(baseUrl + String.valueOf(lc.getLayerId()));
method.setTypeName(lc.getFeatureNamespace() + ":" + lc.getFeatureElement());
method.setMaxFeatures(String.valueOf(lc.getMaxFeatures()));
method.setSrsName(lc.getSRSName());
method.setOutputFormat(DEFAULT_OUTPUT_FORMAT);
method.setVersion(lc.getWFSVersion());
method.setXmlns(
"xmlns:" + lc.getFeatureNamespace() + "=\"" + lc.getFeatureNamespaceURI() + "\"");
method.setGeom(lc.getGMLGeometryProperty());
// Variable values of Union input 2
method.setHref2(baseUrl + String.valueOf(lc2.getLayerId()));
method.setTypeName2(lc2.getFeatureNamespace() + ":" + lc2.getFeatureElement());
method.setXmlns2(
"xmlns:" + lc2.getFeatureNamespace() + "=\"" + lc2.getFeatureNamespaceURI() + "\"");
method.setGeom2(lc2.getGMLGeometryProperty());
JSONObject bbox = null;
try {
bbox = json.getJSONObject("bbox");
method.setX_lower(bbox.optString("left"));
method.setY_lower(bbox.optString("bottom"));
method.setX_upper(bbox.optString("right"));
method.setY_upper(bbox.optString("top"));
// TODO: Intersect retain columns
// A layer
// method.setFieldA1(fieldA1);
// B layer
// method.setFieldA1(fieldB1);
} catch (JSONException e) {
throw new ServiceException("Bbox parameters missing.");
}
return method;
}
/**
* Parses AGGREGATE method parameters for WPS execute xml variables
*
* @param lc WFS layer configuration
* @param json Method parameters and layer info from the front
* @param baseUrl Url for Geoserver WPS reference input (input
* @param aggre_field Field name for aggregate function
* @return AggregateMethodParams parameters for WPS execution
* **********************************************************************
*/
private AggregateMethodParams parseAggregateParams(
WFSLayerConfiguration lc,
JSONObject json,
String baseUrl,
String aggre_field,
List<String> aggre_funcs)
throws ServiceException {
AggregateMethodParams method = new AggregateMethodParams();
//
method.setMethod(AGGREGATE);
try {
method.setLayer_id(ConversionHelper.getInt(lc.getLayerId(), 0));
method.setServiceUrl(lc.getURL());
baseUrl = baseUrl.replace("&", "&");
method.setHref(baseUrl + String.valueOf(lc.getLayerId()));
method.setTypeName(lc.getFeatureNamespace() + ":" + lc.getFeatureElement());
method.setMaxFeatures(String.valueOf(lc.getMaxFeatures()));
method.setSrsName(lc.getSRSName());
method.setOutputFormat(DEFAULT_OUTPUT_FORMAT);
method.setVersion(lc.getWFSVersion());
method.setXmlns(
"xmlns:" + lc.getFeatureNamespace() + "=\"" + lc.getFeatureNamespaceURI() + "\"");
method.setGeom(lc.getGMLGeometryProperty());
JSONObject bbox = null;
bbox = json.getJSONObject("bbox");
method.setX_lower(bbox.optString("left"));
method.setY_lower(bbox.optString("bottom"));
method.setX_upper(bbox.optString("right"));
method.setY_upper(bbox.optString("top"));
// TODO: loop fields - current solution only for 1st field
method.setAggreField1(aggre_field);
method.setAggreFunctions(aggre_funcs);
} catch (JSONException e) {
throw new ServiceException("Method parameters missing.");
}
return method;
}
/**
* Parses BUFFER method parameters for WPS execute xml variables
*
* @param lc WFS layer configuration
* @param json Method parameters and layer info from the front
* @param baseUrl Url for Geoserver WPS reference input (input FeatureCollection)
* @return BufferMethodParams parameters for WPS execution
* **********************************************************************
*/
private BufferMethodParams parseBufferParams(
WFSLayerConfiguration lc, JSONObject json, String baseUrl) throws ServiceException {
final BufferMethodParams method = new BufferMethodParams();
method.setMethod(BUFFER);
//
try {
method.setLayer_id(ConversionHelper.getInt(lc.getLayerId(), 0));
method.setServiceUrl(lc.getURL());
baseUrl = baseUrl.replace("&", "&");
method.setHref(baseUrl + String.valueOf(lc.getLayerId()));
method.setTypeName(lc.getFeatureNamespace() + ":" + lc.getFeatureElement());
method.setMaxFeatures(String.valueOf(lc.getMaxFeatures()));
method.setSrsName(lc.getSRSName());
method.setOutputFormat(DEFAULT_OUTPUT_FORMAT);
method.setVersion(lc.getWFSVersion());
method.setXmlns(
"xmlns:" + lc.getFeatureNamespace() + "=\"" + lc.getFeatureNamespaceURI() + "\"");
method.setGeom(lc.getGMLGeometryProperty());
final JSONObject params = json.getJSONObject(JSON_KEY_METHODPARAMS);
final JSONObject bbox = json.getJSONObject("bbox");
method.setX_lower(bbox.optString("left"));
method.setY_lower(bbox.optString("bottom"));
method.setX_upper(bbox.optString("right"));
method.setY_upper(bbox.optString("top"));
method.setDistance(params.optString("distance"));
} catch (JSONException e) {
throw new ServiceException("Method parameters missing.");
}
return method;
}
/**
* Parses method parameters to WPS execute xml syntax definition
*
* @param layerJSON method parameters and layer info from the front
* @param baseUrl Url for Geoserver WPS reference input (input FeatureCollection)
* @return AnalysisLayer parameters for WPS execution
* **********************************************************************
*/
public AnalysisLayer parseAnalysisLayer(String layerJSON, String filter, String baseUrl)
throws ServiceException {
AnalysisLayer analysisLayer = new AnalysisLayer();
JSONObject json = JSONHelper.createJSONObject(layerJSON);
WFSLayerConfiguration lc = null;
// analysis input data type - default is WFS layer
analysisLayer.setInputType(ANALYSIS_INPUT_TYPE_WFS);
// analysis rendering url
analysisLayer.setWpsUrl(analysisRenderingUrl);
// analysis element name
analysisLayer.setWpsName(analysisRenderingElement);
analysisLayer.setInputAnalysisId(null);
int id = 0;
try {
// Analysis input property types
this.prepareFieldtypeMap(analysisLayer, json);
String sid = json.getString(JSON_KEY_LAYERID);
// Input is wfs layer or analaysis layer or my places
if (sid.indexOf(LAYER_PREFIX) == 0) {
// Analysislayer is input
if (!this.prepareAnalysis4Analysis(analysisLayer, json))
throw new ServiceException("AnalysisInAnalysis parameters are invalid");
id = analysisLayer.getId();
} else if (sid.indexOf(MYPLACES_LAYER_PREFIX) == 0) {
// myplaces is input
if (!this.prepareAnalysis4Myplaces(analysisLayer, json))
throw new ServiceException("AnalysisInMyPlaces parameters are invalid");
id = analysisLayer.getId();
} else {
// Wfs layer id
id = ConversionHelper.getInt(sid, -1);
}
} catch (JSONException e) {
throw new ServiceException("AnalysisInAnalysis parameters are invalid");
}
// --- WFS layer is analysis input
analysisLayer.setId(id);
// Get wfs layer configuration
lc = layerConfigurationService.findConfiguration(id);
final OskariLayer wfsLayer = mapLayerService.find(id);
log.debug("got wfs layer", wfsLayer);
analysisLayer.setMinScale(wfsLayer.getMinScale());
analysisLayer.setMaxScale(wfsLayer.getMaxScale());
// Set WFS input type, other than analysis_ and myplaces_- default is REFERENCE
this.setWpsInputLayerType(lc.getWps_params(), analysisLayer);
// Extract parameters for analysis methods from layer
String name = json.optString("name");
if (name.isEmpty()) {
throw new ServiceException("Analysis name missing.");
} else {
analysisLayer.setName(name);
}
JSONArray fields_in = json.optJSONArray("fields");
List<String> fields = new ArrayList<String>();
if (fields_in == null) {
throw new ServiceException("Fields missing.");
} else {
// Add fields of WFS service, if empty and all fields mode on
if (fields_in.length() == 0) fields_in = this.getWfsFields(analysisLayer);
// Remove internal fields
try {
for (int i = 0; i < fields_in.length(); i++) {
if (!HIDDEN_FIELDS.contains(fields_in.getString(i))) fields.add(fields_in.getString(i));
}
} catch (JSONException e) {
throw new ServiceException("Method fields parameters missing.");
}
analysisLayer.setFields(fields);
}
String style = json.optString("style");
if (style.isEmpty()) {
throw new ServiceException("Style missing.");
} else {
analysisLayer.setStyle(style);
}
Integer opacity = json.optInt("opacity");
if (opacity == 0) opacity = DEFAULT_OPACITY;
analysisLayer.setOpacity(opacity);
String analysisMethod = json.optString("method"); // "union_geom"; test
analysisLayer.setMethod(analysisMethod);
analysisLayer.setAggreFunctions(null);
analysisLayer.setMergeAnalysisLayers(null);
// ------------------LAYER_UNION -----------------------
if (LAYER_UNION.equals(analysisMethod)) {
JSONObject params;
try {
params = json.getJSONObject(JSON_KEY_METHODPARAMS);
} catch (JSONException e) {
throw new ServiceException("Method parameters missing.");
}
JSONArray sids = params.optJSONArray(JSON_KEY_LAYERS);
// Loop merge layers - get analysis ids
List<Long> ids = new ArrayList<Long>();
List<String> mergelays = new ArrayList<String>();
if (sids == null) {
throw new ServiceException("merge layers missing");
} else {
try {
for (int i = 0; i < sids.length(); i++) {
Long aid = this.getAnalysisId(sids.getString(i));
if (aid > 0) {
ids.add(aid);
mergelays.add(sids.getString(i));
}
}
} catch (JSONException e) {
throw new ServiceException("Merge layers missing.");
}
// Merge analysis Ids
analysisLayer.setMergeAnalysisIds(ids);
// Merge analysis Layers
analysisLayer.setMergeAnalysisLayers(mergelays);
}
}
// ------------------ BUFFER -----------------------
else if (BUFFER.equals(analysisMethod)) {
// when analysisMethod == vec:BufferFeatureCollection
// Set params for WPS execute
BufferMethodParams method = this.parseBufferParams(lc, json, baseUrl);
method.setWps_reference_type(analysisLayer.getInputType());
analysisLayer.setAnalysisMethodParams(method);
// WFS filter
analysisLayer
.getAnalysisMethodParams()
.setFilter(
this.parseFilter(
lc,
filter,
analysisLayer.getInputAnalysisId(),
analysisLayer.getInputCategoryId()));
// WFS Query properties
analysisLayer
.getAnalysisMethodParams()
.setProperties(
this.parseProperties(
analysisLayer.getFields(),
lc.getFeatureNamespace(),
lc.getGMLGeometryProperty()));
// ------------------ INTERSECT -----------------------
} else if (INTERSECT.equals(analysisMethod)) {
JSONObject params;
try {
params = json.getJSONObject(JSON_KEY_METHODPARAMS);
} catch (JSONException e) {
throw new ServiceException("Method parameters missing.");
}
WFSLayerConfiguration lc2 = null;
int id2 = 0;
String sid = "";
try {
sid = params.getString(JSON_KEY_LAYERID);
// Input is wfs layer or analaysis layer
if (sid.indexOf(LAYER_PREFIX) == 0) {
// Analysislayer is input
// eg. analyse_216_340
id2 = ConversionHelper.getInt(analysisBaseLayerId, 0);
} else if (sid.indexOf(MYPLACES_LAYER_PREFIX) == 0) {
// Myplaces is input
id2 = ConversionHelper.getInt(myplacesBaseLayerId, 0);
} else {
// Wfs layer id
id2 = ConversionHelper.getInt(sid, -1);
}
} catch (JSONException e) {
throw new ServiceException("AnalysisInAnalysis parameters are invalid");
}
// Get wfs layer configuration for union input 2
lc2 = layerConfigurationService.findConfiguration(id2);
// Set params for WPS execute
IntersectMethodParams method = this.parseIntersectParams(lc, lc2, json, baseUrl);
method.setWps_reference_type(analysisLayer.getInputType());
if (sid.indexOf(LAYER_PREFIX) == 0 || sid.indexOf(MYPLACES_LAYER_PREFIX) == 0) {
method.setWps_reference_type2(ANALYSIS_INPUT_TYPE_GS_VECTOR);
} else {
method.setWps_reference_type2(ANALYSIS_INPUT_TYPE_WFS);
}
// Set WFS input type, other than analysis_ and myplaces_- default is REFERENCE
this.setWpsInputLayerType(lc.getWps_params(), analysisLayer);
// WFS filter
method.setFilter(
this.parseFilter(
lc, filter, analysisLayer.getInputAnalysisId(), analysisLayer.getInputCategoryId()));
if (sid.indexOf(MYPLACES_LAYER_PREFIX) == 0) {
method.setFilter2(this.parseFilter(lc2, null, null, this.getAnalysisInputId(params)));
} else {
method.setFilter2(this.parseFilter(lc2, null, this.getAnalysisInputId(params), null));
}
// WFS Query properties
method.setProperties(
this.parseProperties(
analysisLayer.getFields(), lc.getFeatureNamespace(), lc.getGMLGeometryProperty()));
analysisLayer.setAnalysisMethodParams(method);
// ------------------ AGGREGATE -----------------------
} else if (AGGREGATE.equals(analysisMethod)) {
// 1 to n aggregate wps tasks
String aggre_field = null;
try {
aggre_field = json.getJSONObject(JSON_KEY_METHODPARAMS).optString(JSON_KEY_AGGRE_ATTRIBUTE);
if (analysisLayer.getInputType().equals(ANALYSIS_INPUT_TYPE_GS_VECTOR)) {
if (analysisLayer.getInputAnalysisId() != null) {
aggre_field =
analysisDataService.SwitchField2AnalysisField(
aggre_field, analysisLayer.getInputAnalysisId());
}
}
JSONArray aggre_func_in =
json.getJSONObject(JSON_KEY_METHODPARAMS).optJSONArray(JSON_KEY_FUNCTIONS);
List<String> aggre_funcs = new ArrayList<String>();
if (aggre_func_in == null) {
throw new ServiceException("Aggregate functions missing.");
} else {
try {
for (int i = 0; i < aggre_func_in.length(); i++) {
aggre_funcs.add(aggre_func_in.getString(i));
}
} catch (JSONException e) {
throw new ServiceException("Aggregate functions missing.");
}
analysisLayer.setAggreFunctions(aggre_funcs);
}
} catch (JSONException e) {
throw new ServiceException("Method parameters missing.");
}
// Set params for WPS execute
if (aggre_field == null) throw new ServiceException("Aggregate field parameter missing.");
AggregateMethodParams method =
this.parseAggregateParams(
lc, json, baseUrl, aggre_field, analysisLayer.getAggreFunctions());
method.setWps_reference_type(analysisLayer.getInputType());
analysisLayer.setAnalysisMethodParams(method);
// WFS filter
analysisLayer
.getAnalysisMethodParams()
.setFilter(
this.parseFilter(
lc,
filter,
analysisLayer.getInputAnalysisId(),
analysisLayer.getInputCategoryId()));
// ------------------ UNION -----------------------
} else if (UNION.equals(analysisMethod)) {
JSONObject params;
try {
params = json.getJSONObject(JSON_KEY_METHODPARAMS);
} catch (JSONException e) {
throw new ServiceException("Method parameters missing.");
}
// Set params for WPS execute
UnionMethodParams method = this.parseUnionParams(lc, json, baseUrl);
method.setWps_reference_type(analysisLayer.getInputType());
// WFS filter
method.setFilter(
this.parseFilter(
lc, filter, analysisLayer.getInputAnalysisId(), analysisLayer.getInputCategoryId()));
analysisLayer.setAnalysisMethodParams(method);
} else {
throw new ServiceException("Method parameters missing.");
}
return analysisLayer;
}