Java tutorial
/** * Copyright 2016-2018 The Thingsboard Authors * * 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 org.thingsboard.server.extensions.sns.plugin; import com.amazonaws.services.sns.AmazonSNS; import com.amazonaws.services.sns.model.PublishRequest; import com.amazonaws.services.sns.model.PublishResult; import com.amazonaws.services.sqs.AmazonSQS; import com.amazonaws.services.sqs.model.SendMessageRequest; import lombok.RequiredArgsConstructor; import lombok.extern.slf4j.Slf4j; import org.thingsboard.server.common.data.id.RuleId; import org.thingsboard.server.common.data.id.TenantId; import org.thingsboard.server.common.msg.core.BasicStatusCodeResponse; import org.thingsboard.server.extensions.api.plugins.PluginContext; import org.thingsboard.server.extensions.api.plugins.handlers.RuleMsgHandler; import org.thingsboard.server.extensions.api.plugins.msg.ResponsePluginToRuleMsg; import org.thingsboard.server.extensions.api.plugins.msg.RuleToPluginMsg; import org.thingsboard.server.extensions.api.rules.RuleException; import org.thingsboard.server.extensions.sns.action.SnsTopicActionMsg; import org.thingsboard.server.extensions.sns.action.SnsTopicActionPayload; /** * Created by Valerii Sosliuk on 11/6/2017. */ @RequiredArgsConstructor @Slf4j public class SnsMessageHandler implements RuleMsgHandler { private final AmazonSNS sns; @Override public void process(PluginContext ctx, TenantId tenantId, RuleId ruleId, RuleToPluginMsg<?> msg) throws RuleException { if (msg instanceof SnsTopicActionMsg) { SnsTopicActionPayload payload = ((SnsTopicActionMsg) msg).getPayload(); PublishRequest publishRequest = new PublishRequest().withTopicArn(payload.getTopicArn()) .withMessage(payload.getMsgBody()); sns.publish(publishRequest); if (payload.isSync()) { ctx.reply(new ResponsePluginToRuleMsg(msg.getUid(), tenantId, ruleId, BasicStatusCodeResponse.onSuccess(payload.getMsgType(), payload.getRequestId()))); } return; } throw new RuleException("Unsupported message type " + msg.getClass().getName() + "!"); } }