com.geotab.model.serialization.serdes.DiagnosticDeserializer Maven / Gradle / Ivy

Go to download
package com.geotab.model.serialization.serdes;

import static com.geotab.model.serialization.ApiJsonSerializer.defaultDeserialize;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.ObjectCodec;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.geotab.model.entity.diagnostic.BasicDiagnostic;
import com.geotab.model.entity.diagnostic.BrpFaultDiagnostic;
import com.geotab.model.entity.diagnostic.DataDiagnostic;
import com.geotab.model.entity.diagnostic.Diagnostic;
import com.geotab.model.entity.diagnostic.DiagnosticType;
import com.geotab.model.entity.diagnostic.GmcccFaultDiagnostic;
import com.geotab.model.entity.diagnostic.GoDiagnostic;
import com.geotab.model.entity.diagnostic.GoFaultDiagnostic;
import com.geotab.model.entity.diagnostic.LegacyFaultDiagnostic;
import com.geotab.model.entity.diagnostic.NoDiagnostic;
import com.geotab.model.entity.diagnostic.ObdFaultDiagnostic;
import com.geotab.model.entity.diagnostic.ObdSaFaultDiagnostic;
import com.geotab.model.entity.diagnostic.Pid;
import com.geotab.model.entity.diagnostic.ProprietaryFaultDiagnostic;
import com.geotab.model.entity.diagnostic.Sid;
import com.geotab.model.entity.diagnostic.SuspectParameter;
import java.io.IOException;

public class DiagnosticDeserializer extends JsonDeserializer {

  @Override
  public Diagnostic deserialize(JsonParser jsonParser, DeserializationContext context) throws IOException {
    ObjectCodec parserCodec = jsonParser.getCodec();
    JsonNode node = parserCodec.readTree(jsonParser);

    if (node.isTextual() && NoDiagnostic.NO_DIAGNOSTIC_ID.equals(node.textValue())) return NoDiagnostic.getInstance();

    String id = node.get("id") != null ? node.get("id").textValue() : null;
    if (NoDiagnostic.NO_DIAGNOSTIC_ID.equals(id)) return NoDiagnostic.getInstance();

    DiagnosticType diagnosticType = node.get("diagnosticType") == null ? DiagnosticType.NONE
        : parserCodec.treeToValue(node.get("diagnosticType"), DiagnosticType.class);

    switch (diagnosticType) {
      case DATA_DIAGNOSTIC:
        return defaultDeserialize(parserCodec, context, node, DataDiagnostic.class);
      case GO_DIAGNOSTIC:
        return defaultDeserialize(parserCodec, context, node, GoDiagnostic.class);
      case PID:
        return defaultDeserialize(parserCodec, context, node, Pid.class);
      case SID:
        return defaultDeserialize(parserCodec, context, node, Sid.class);
      case SUSPECT_PARAMETER:
        return defaultDeserialize(parserCodec, context, node, SuspectParameter.class);
      case OBD_FAULT:
        return defaultDeserialize(parserCodec, context, node, ObdFaultDiagnostic.class);
      case GO_FAULT:
        return defaultDeserialize(parserCodec, context, node, GoFaultDiagnostic.class);
      case OBD_WWH_FAULT:
        return defaultDeserialize(parserCodec, context, node, ObdSaFaultDiagnostic.class);
      case PROPRIETARY_FAULT:
        return defaultDeserialize(parserCodec, context, node, ProprietaryFaultDiagnostic.class);
      case LEGACY_FAULT:
        return defaultDeserialize(parserCodec, context, node, LegacyFaultDiagnostic.class);
      case GMCCC_FAULT:
        return defaultDeserialize(parserCodec, context, node, GmcccFaultDiagnostic.class);
      case BRP_FAULT:
        return defaultDeserialize(parserCodec, context, node, BrpFaultDiagnostic.class);
      default:
        return defaultDeserialize(parserCodec, context, node, BasicDiagnostic.class);
    }
  }
}