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Open Charge Point Protocol (OCPP). Provides a JSON web socket endpoint based on OCPP 1.5.
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/**
* Copyright (C) 2013 Motown.IO ([email protected])
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.motown.ocpp.websocketjson.request.handler;
import com.google.gson.Gson;
import io.motown.domain.api.chargingstation.*;
import io.motown.domain.api.security.AddOnIdentity;
import io.motown.ocpp.viewmodel.domain.DomainService;
import io.motown.ocpp.websocketjson.schema.generated.v15.Metervalues;
import io.motown.ocpp.websocketjson.schema.generated.v15.MetervaluesResponse;
import io.motown.ocpp.websocketjson.schema.generated.v15.Value;
import io.motown.ocpp.websocketjson.schema.generated.v15.Value_;
import org.atmosphere.websocket.WebSocket;
import java.util.ArrayList;
import java.util.List;
public class MeterValuesRequestHandler extends RequestHandler {
private String protocolIdentifier;
private Gson gson;
private DomainService domainService;
private AddOnIdentity addOnIdentity;
public MeterValuesRequestHandler(Gson gson, DomainService domainService, String protocolIdentifier, AddOnIdentity addOnIdentity) {
this.gson = gson;
this.domainService = domainService;
this.protocolIdentifier = protocolIdentifier;
this.addOnIdentity = addOnIdentity;
}
@Override
public void handleRequest(ChargingStationId chargingStationId, String callId, String payload, WebSocket webSocket) {
Metervalues request = gson.fromJson(payload, Metervalues.class);
List meterValues = new ArrayList<>();
for (Value meterValue : request.getValues()) {
for (Value_ value : meterValue.getValues()) {
ReadingContext readingContext = new ReadingContextTranslator(value.getContext()).translate();
ValueFormat valueFormat = new ValueFormatTranslator(value.getFormat()).translate();
Location location = new LocationTranslator(value.getLocation()).translate();
Measurand measurand = new MeasurandTranslator(value.getMeasurand()).translate();
UnitOfMeasure unitOfMeasure = new UnitOfMeasureTranslator(value.getUnit()).translate();
meterValues.add(new MeterValue(meterValue.getTimestamp(), value.getValue(), readingContext, valueFormat, measurand, location, unitOfMeasure));
}
}
TransactionId transactionId = null;
Integer requestTransactionId = request.getTransactionId();
if (requestTransactionId != null && requestTransactionId > 0) {
transactionId = new NumberedTransactionId(chargingStationId, protocolIdentifier, requestTransactionId);
}
domainService.meterValues(chargingStationId, transactionId, new EvseId(request.getConnectorId()), meterValues, addOnIdentity);
writeResponse(webSocket, new MetervaluesResponse(), callId, gson);
}
}
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