git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.fmiweather.internal.client;
  14
  15 import java.time.Instant;
  16 import java.time.ZoneId;
  17 import java.time.ZonedDateTime;
  18 import java.time.format.DateTimeFormatter;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21
  22 /**
  23  * Request class for FIM weather
  24  *
  25  * @author Sami Salonen - Initial contribution
  26  *
  27  */
  28 @NonNullByDefault
  29 public class Request {
  30
  31     public static final String FMI_WFS_URL = "https://opendata.fmi.fi/wfs";
  32
  33     public final QueryParameter location;
  34     public final long startEpoch;
  35     public final long endEpoch;
  36     public final long timestepMinutes;
  37     public final String storedQueryId;
  38     public final String[] parameters;
  39
  40     private static ZoneId UTC = ZoneId.of("Z");
  41     private static DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'");
  42
  43     public Request(String storedQueryId, QueryParameter location, long startEpoch, long endEpoch,
  44             long timestepMinutes) {
  45         this(storedQueryId, location, startEpoch, endEpoch, timestepMinutes, new String[0]);
  46     }
  47
  48     public Request(String storedQueryId, QueryParameter location, long startEpoch, long endEpoch, long timestepMinutes,
  49             String[] parameters) {
  50         this.storedQueryId = storedQueryId;
  51         this.location = location;
  52         this.startEpoch = startEpoch;
  53         this.endEpoch = endEpoch;
  54         this.timestepMinutes = timestepMinutes;
  55         this.parameters = parameters;
  56     }
  57
  58     public String toUrl() {
  59         StringBuilder urlBuilder = new StringBuilder(FMI_WFS_URL)
  60                 .append("?service=WFS&version=2.0.0&request=getFeature&storedquery_id=").append(storedQueryId)
  61                 .append("&starttime=").append(epochToIsoDateTime(startEpoch)).append("&endtime=")
  62                 .append(epochToIsoDateTime(endEpoch)).append("&timestep=").append(timestepMinutes);
  63         location.toRequestParameters().forEach(entry -> {
  64             urlBuilder.append("&").append(entry.getKey()).append("=").append(entry.getValue());
  65         });
  66         if (parameters.length > 0) {
  67             urlBuilder.append("&").append("parameters=").append(String.join(",", parameters));
  68         }
  69         return urlBuilder.toString();
  70     }
  71
  72     /**
  73      * Convert epoch value (representing UTC time) to ISO formatted date time
  74      *
  75      * @param epoch
  76      * @return
  77      */
  78     private static String epochToIsoDateTime(long epoch) {
  79         return ZonedDateTime.ofInstant(Instant.ofEpochSecond(epoch), UTC).format(FORMATTER);
  80     }
  81 }