Igor Kulikov
6 years ago
17 changed files with 295 additions and 118 deletions
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/** |
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* Copyright © 2016-2020 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.transport.mqtt.util; |
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import lombok.Data; |
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@Data |
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public class EqualsTopicFilter implements MqttTopicFilter { |
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private final String filter; |
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@Override |
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public boolean filter(String topic) { |
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return filter.equals(topic); |
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} |
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} |
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@ -0,0 +1,22 @@ |
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/** |
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* Copyright © 2016-2020 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.transport.mqtt.util; |
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public interface MqttTopicFilter { |
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boolean filter(String topic); |
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} |
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@ -0,0 +1,57 @@ |
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/** |
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* Copyright © 2016-2020 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.transport.mqtt.util; |
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import lombok.extern.slf4j.Slf4j; |
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import org.thingsboard.server.common.data.device.profile.MqttTopics; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.ConcurrentMap; |
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import java.util.regex.Pattern; |
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@Slf4j |
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public class MqttTopicFilterFactory { |
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private static final ConcurrentMap<String, MqttTopicFilter> filters = new ConcurrentHashMap<>(); |
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private static final MqttTopicFilter DEFAULT_TELEMETRY_TOPIC_FILTER = toFilter(MqttTopics.DEVICE_TELEMETRY_TOPIC); |
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private static final MqttTopicFilter DEFAULT_ATTRIBUTES_TOPIC_FILTER = toFilter(MqttTopics.DEVICE_ATTRIBUTES_TOPIC); |
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public static MqttTopicFilter toFilter(String topicFilter) { |
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if (topicFilter == null || topicFilter.isEmpty()) { |
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throw new IllegalArgumentException("Topic filter can't be empty!"); |
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} |
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return filters.computeIfAbsent(topicFilter, filter -> { |
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if (filter.contains("+") || filter.contains("#")) { |
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String regex = filter |
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.replace("\\", "\\\\") |
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.replace("+", "[^/]+") |
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.replace("/#", "($|/.*)"); |
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log.debug("Converting [{}] to [{}]", filter, regex); |
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return new RegexTopicFilter(regex); |
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} else { |
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return new EqualsTopicFilter(filter); |
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} |
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}); |
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} |
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public static MqttTopicFilter getDefaultTelemetryFilter() { |
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return DEFAULT_TELEMETRY_TOPIC_FILTER; |
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} |
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public static MqttTopicFilter getDefaultAttributesFilter() { |
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return DEFAULT_ATTRIBUTES_TOPIC_FILTER; |
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} |
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} |
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