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   1 /**
   2  * Copyright (c) 2010-2024 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.freeathomesystem.internal.datamodel;
  14
  15 import java.util.Iterator;
  16 import java.util.Set;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 import com.google.gson.JsonObject;
  23
  24 /**
  25  *
  26  * @author Andras Uhrin - Initial contribution
  27  *
  28  */
  29 @NonNullByDefault
  30 public class FreeAtHomeDatapoint {
  31
  32     private final Logger logger = LoggerFactory.getLogger(FreeAtHomeDatapoint.class);
  33
  34     enum DatapointDirection {
  35         UNKNOWN,
  36         INPUT,
  37         OUTPUT,
  38         INPUTOUTPUT,
  39         INPUT_AS_OUTPUT
  40     };
  41
  42     public String channelId = "";
  43     private String datapointId = "";
  44
  45     DatapointDirection searchForDatapoint(DatapointDirection direction, int neededPairingIDFunction, String channelId,
  46             JsonObject jsonObjectOfChannel) {
  47         DatapointDirection resultingDirection = DatapointDirection.UNKNOWN;
  48         boolean foundId = false;
  49         JsonObject localDatapoints = null;
  50
  51         switch (direction) {
  52             case INPUT: {
  53                 localDatapoints = jsonObjectOfChannel.getAsJsonObject("inputs");
  54                 resultingDirection = DatapointDirection.INPUT;
  55                 break;
  56             }
  57             case INPUT_AS_OUTPUT: {
  58                 localDatapoints = jsonObjectOfChannel.getAsJsonObject("inputs");
  59                 resultingDirection = DatapointDirection.OUTPUT;
  60                 break;
  61             }
  62             case OUTPUT: {
  63                 localDatapoints = jsonObjectOfChannel.getAsJsonObject("outputs");
  64                 resultingDirection = DatapointDirection.OUTPUT;
  65                 break;
  66             }
  67             default: {
  68                 localDatapoints = jsonObjectOfChannel.getAsJsonObject("outputs");
  69                 resultingDirection = DatapointDirection.OUTPUT;
  70                 break;
  71             }
  72         }
  73
  74         Set<String> keys = localDatapoints.keySet();
  75
  76         Iterator<String> iter = keys.iterator();
  77
  78         // Scan datapoints for pairingID IDs
  79         while (iter.hasNext() && !foundId) {
  80             String datapointId = iter.next();
  81
  82             JsonObject datapointJsonObject = localDatapoints.getAsJsonObject(datapointId);
  83
  84             int pairingIDFunction = datapointJsonObject.get("pairingID").getAsInt();
  85
  86             if (pairingIDFunction == neededPairingIDFunction) {
  87                 this.channelId = channelId;
  88                 this.datapointId = datapointId;
  89
  90                 logger.debug("Datapoint is found - channel {} - datapoint {}", this.channelId, this.datapointId);
  91
  92                 foundId = true;
  93             }
  94         }
  95
  96         // id not found, add dummy
  97         if (!foundId) {
  98             this.channelId = "";
  99             this.datapointId = "";
 100             resultingDirection = DatapointDirection.UNKNOWN;
 101
 102             logger.debug("Needed datapoint is not found - channel {} - pairingId {}", channelId,
 103                     neededPairingIDFunction);
 104         }
 105
 106         return resultingDirection;
 107     }
 108
 109     public String getChannelIdforDatapoint() {
 110         return channelId;
 111     }
 112
 113     public String getDatapointId() {
 114         return datapointId;
 115     }
 116 }