133 lines
4.5 KiB
Java
133 lines
4.5 KiB
Java
package org.gcube.data.spd.obisplugin.search;
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import static org.gcube.data.spd.obisplugin.search.query.QueryCondition.cond;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.List;
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import org.gcube.data.spd.model.Condition;
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import org.gcube.data.spd.model.Coordinate;
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import org.gcube.data.spd.model.products.DataSet;
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import org.gcube.data.spd.obisplugin.search.query.QueryCondition;
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public class Utils {
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protected static List<QueryCondition> elaborateConditions(Condition[] properties) throws Exception{
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List<QueryCondition> queryConditions = new ArrayList<QueryCondition>();
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List<Condition> coordinateConditions = new ArrayList<Condition>();
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for (Condition prop: properties){
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switch (prop.getType()) {
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case COORDINATE:
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coordinateConditions.add(prop);
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break;
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case DATE:
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Calendar date = (Calendar) prop.getValue();
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queryConditions.addAll(getDateCondition(date, prop));
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break;
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}
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}
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if (coordinateConditions.size()>0)
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queryConditions.add(getCoordinateConditions(coordinateConditions));
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return queryConditions;
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}
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public static ProductKey elaborateProductsKey(String id) {
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List<QueryCondition> queryConditions = new ArrayList<QueryCondition>();
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String[] splitString = id.split("\\|\\|");
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queryConditions.add(cond("datasetid", splitString[0]));
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queryConditions.add(cond("taxonid", splitString[1]));
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if (splitString.length>2)
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for (int i = 2; i<splitString.length; i++){
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String[] equalSplit = splitString[i].split("=");
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queryConditions.add(cond(equalSplit[0], equalSplit[1].replaceAll(" ", "%20")));
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}
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return new ProductKey(queryConditions);
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}
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protected static String createProductsKey(String dataResourceKey, String taxonKey, List<QueryCondition> queryConditions) {
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StringBuilder conditionTransformer = new StringBuilder();
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for (QueryCondition cond : queryConditions)
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conditionTransformer.append("||").append(cond.getKey()).append("=").append(cond.getValue());
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return dataResourceKey+"||"+taxonKey+conditionTransformer.toString();
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}
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public static QueryCondition getCoordinateConditions(List<Condition> coordinateConditions){
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double lowerLong =-180, lowerLat= -90, upperLat= 90, upperLong=180;
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double latitude, longitude;
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for (Condition cond :coordinateConditions){
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switch (cond.getOp()) {
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case EQ:
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break;
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case GT:
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latitude = ((Coordinate)cond.getValue()).getLatitude()+0.01;
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longitude = ((Coordinate)cond.getValue()).getLongitude()+0.01;
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if (latitude>lowerLat) lowerLat = latitude;
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if (longitude>lowerLong) lowerLong = longitude;
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break;
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case GE:
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latitude = ((Coordinate)cond.getValue()).getLatitude();
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longitude = ((Coordinate)cond.getValue()).getLongitude();
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if (latitude>lowerLat) lowerLat = latitude;
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if (longitude>lowerLong) lowerLong = longitude;
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break;
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case LT:
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latitude = ((Coordinate)cond.getValue()).getLatitude()-0.01;
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longitude = ((Coordinate)cond.getValue()).getLongitude()-0.01;
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if (latitude<upperLat) upperLat = latitude;
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if (longitude>upperLong) upperLong = longitude;
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break;
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case LE:
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latitude = ((Coordinate)cond.getValue()).getLatitude();
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longitude = ((Coordinate)cond.getValue()).getLongitude();
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if (latitude<upperLat) upperLat = latitude;
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if (longitude>upperLong) upperLong = longitude;
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break;
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default:
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break;
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}
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}
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return cond("geometry", String.format("POLYGON((%1$f %2$f,%3$f %4$f,%5$f %6$f,%1$f %2$f))"
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,lowerLat, lowerLong, upperLat, lowerLong, upperLat, upperLong, lowerLat, upperLong).replaceAll(" ", "%20"));
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}
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public static List<QueryCondition> getDateCondition(Calendar date, Condition prop){
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List<QueryCondition> conditions = new ArrayList<QueryCondition>();
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DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
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Calendar newDate = date;
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switch (prop.getOp()) {
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case EQ:
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conditions.add(cond("eventDate",dateFormat.format(date.getTime())));
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break;
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case GT:
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newDate.add(Calendar.DAY_OF_MONTH, 1);
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conditions.add(cond("startdate",dateFormat.format(newDate.getTime())));
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break;
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case GE:
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conditions.add(cond("startdate",dateFormat.format(date.getTime())));
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break;
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case LT:
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newDate.add(Calendar.DAY_OF_MONTH, -1);
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conditions.add(cond("enddate",dateFormat.format(newDate.getTime())));
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break;
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case LE:
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conditions.add(cond("enddate",dateFormat.format(date.getTime())));
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break;
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default:
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break;
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}
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return conditions;
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}
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protected static String getDataSetAsString(DataSet dataset){
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return dataset.getId();
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}
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}
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