content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.activemq.artemis.tests.integration.mqtt;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicReference;
  
  import io.netty.handler.codec.mqtt.MqttFixedHeader;
  import io.netty.handler.codec.mqtt.MqttMessage;
  import io.netty.handler.codec.mqtt.MqttMessageType;
  import org.apache.activemq.artemis.core.protocol.mqtt.MQTTInterceptor;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  
  public class MQTTInterceptorPropertiesTest extends MQTTTestSupport {
  
     private static final String ADDRESS = "address";
     private static final String MESSAGE_TEXT = "messageText";
     private static final String RETAINED = "retained";
  
     private final AtomicReference<Throwable> interceptorError = new AtomicReference<>(null);
  
     private boolean checkMessageProperties(MqttMessage message, Map<String, Object> expectedProperties) {
        try {
           assertNotNull(message);
           assertNotNull(server.getNodeID());
           MqttFixedHeader header = message.fixedHeader();
           assertNotNull(header.messageType());
           assertEquals(AT_MOST_ONCE, header.qosLevel().value());
           assertEquals(expectedProperties.get(RETAINED), header.isRetain());
        } catch (Throwable t) {
           interceptorError.compareAndSet(null, t);
        }
        return true;
     }
  
     @Test
     @Timeout(60)
     public void testCheckInterceptedMQTTMessageProperties() throws Exception {
        final String addressQueue = name;
        final String msgText = "Test intercepted message";
        final boolean retained = true;
  
        final Map<String, Object> expectedProperties = new ConcurrentHashMap<>();
        expectedProperties.put(ADDRESS, addressQueue);
        expectedProperties.put(MESSAGE_TEXT, msgText);
        expectedProperties.put(RETAINED, retained);
  
        final CountDownLatch latch = new CountDownLatch(1);
        MQTTInterceptor incomingInterceptor = (packet, connection) -> {
           if (packet.fixedHeader().messageType() == MqttMessageType.PUBLISH) {
              return checkMessageProperties(packet, expectedProperties);
           } else {
              return true;
           }
        };
  
        MQTTInterceptor outgoingInterceptor = (packet, connection) -> {
           if (packet.fixedHeader().messageType() == MqttMessageType.PUBLISH) {
              return checkMessageProperties(packet, expectedProperties);
           } else {
              return true;
           }
        };
        server.getRemotingService().addIncomingInterceptor(incomingInterceptor);
        server.getRemotingService().addOutgoingInterceptor(outgoingInterceptor);
  
        final MQTTClientProvider publishProvider = getMQTTClientProvider();
        initializeConnection(publishProvider);
        publishProvider.publish(addressQueue, msgText.getBytes(), AT_MOST_ONCE, retained);
  
        final MQTTClientProvider subscribeProvider = getMQTTClientProvider();
        initializeConnection(subscribeProvider);
        subscribeProvider.subscribe(addressQueue, AT_MOST_ONCE);
  
        Thread thread = new Thread(() -> {
           try {
              byte[] payload = subscribeProvider.receive(10000);
              assertNotNull(payload, "Should get a message");
              latch.countDown();
           } catch (Exception e) {
              e.printStackTrace();
           }
        });
        thread.start();
  
        latch.await(10, TimeUnit.SECONDS);
        subscribeProvider.disconnect();
        publishProvider.disconnect();
  
        assertNull(interceptorError.get());
     }
  }
  