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/*
* Copyright 2023 Anton Tananaev (anton@traccar.org)
*
* 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.traccar.forward;
import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.MessageProperties;
import java.io.IOException;
import java.net.URISyntaxException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.concurrent.TimeoutException;
public class AmqpClient {
private final Channel channel;
private final String exchange;
private final String topic;
AmqpClient(String connectionUrl, String exchange, String topic) {
this.exchange = exchange;
this.topic = topic;
ConnectionFactory factory = new ConnectionFactory();
try {
factory.setUri(connectionUrl);
} catch (NoSuchAlgorithmException | URISyntaxException | KeyManagementException e) {
throw new RuntimeException("Error while setting URI for RabbitMQ connection factory", e);
}
try {
Connection connection = factory.newConnection();
channel = connection.createChannel();
channel.exchangeDeclare(exchange, BuiltinExchangeType.TOPIC, true);
} catch (IOException | TimeoutException e) {
throw new RuntimeException("Error while creating and configuring RabbitMQ channel", e);
}
}
public void publishMessage(String message) throws IOException {
channel.basicPublish(exchange, topic, MessageProperties.PERSISTENT_TEXT_PLAIN, message.getBytes());
}
}
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