Java tutorial
/** * Copyright (C) 2013 Motown.IO (info@motown.io) * * 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.response.handler; import com.google.common.collect.ImmutableSet; import com.google.gson.Gson; import io.motown.domain.api.chargingstation.ChargingStationId; import io.motown.domain.api.chargingstation.ConfigurationItem; import io.motown.domain.api.chargingstation.CorrelationToken; import io.motown.domain.api.security.AddOnIdentity; import io.motown.ocpp.viewmodel.domain.DomainService; import io.motown.ocpp.websocketjson.schema.generated.v15.ConfigurationKey; import io.motown.ocpp.websocketjson.schema.generated.v15.GetconfigurationResponse; import io.motown.ocpp.websocketjson.wamp.WampMessage; import java.util.List; import java.util.Set; public class GetConfigurationResponseHandler extends ResponseHandler { public GetConfigurationResponseHandler(CorrelationToken correlationToken) { this.setCorrelationToken(correlationToken); } @Override public void handle(ChargingStationId chargingStationId, WampMessage wampMessage, Gson gson, DomainService domainService, AddOnIdentity addOnIdentity) { GetconfigurationResponse response = gson.fromJson(wampMessage.getPayloadAsString(), GetconfigurationResponse.class); domainService.receiveConfigurationItems(chargingStationId, toConfigurationItems(response.getConfigurationKey()), addOnIdentity); } /** * Converts a {@code List} of {@code ConfigurationKey}s to a {@code Set} of {@code ConfigurationItem}s. * * @param configurationItemMap a {@code List} of {@code ConfigurationKey}s. * @return a {@code Set} of {@code ConfigurationItem}s. */ private Set<ConfigurationItem> toConfigurationItems(List<ConfigurationKey> configurationItemMap) { ImmutableSet.Builder<ConfigurationItem> configurationItemsBuilder = ImmutableSet.builder(); for (ConfigurationKey key : configurationItemMap) { configurationItemsBuilder.add(new ConfigurationItem(key.getKey(), key.getValue())); } return configurationItemsBuilder.build(); } }