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import com.rabbitmq.client.ConnectionFactory;

import com.rabbitmq.client.Connection;

import com.rabbitmq.client.Channel;

public class EmitLog {

private static final String EXCHANGE_NAME = "logs";

public static void main(String[] argv) throws Exception {

ConnectionFactory factory = new ConnectionFactory();

factory.setHost("localhost");

Connection connection = factory.newConnection();

Channel channel = connection.createChannel();

channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

String message = getMessage(argv);

channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());

System.out.println(" [x] Sent '" + message + "'");

channel.close();

connection.close();

}

private static String getMessage(String[] strings){

if (strings.length < 1)

return "info: Hello World!";

return joinStrings(strings, " ");

}

private static String joinStrings(String[] strings, String delimiter) {

int length = strings.length;

if (length == 0) return "";

StringBuilder words = new StringBuilder(strings[0]);

for (int i = 1; i < length; i++) {

words.append(delimiter).append(strings[i]);

}

return words.toString();

}

}