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author | Anton Tananaev <anton.tananaev@gmail.com> | 2024-03-16 07:37:34 -0700 |
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committer | GitHub <noreply@github.com> | 2024-03-16 07:37:34 -0700 |
commit | c76b4a69585ffb93877168449c48cfee2ca21a9d (patch) | |
tree | 27031ef739f20b428c80fa98d153d6e0647be430 /src/main/java/org/traccar/forward/PositionForwarderMqtt.java | |
parent | 97e4a94df6001c8c64a2e315bbe59fce35115ec8 (diff) | |
parent | ad1e5c4aba6d97673e7b065b061c8f964aedf447 (diff) | |
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Merge pull request #5282 from supriyoMondal/mqtt-position-forwarding
feat: add configuration for event forwarding with mqtt
Diffstat (limited to 'src/main/java/org/traccar/forward/PositionForwarderMqtt.java')
-rw-r--r-- | src/main/java/org/traccar/forward/PositionForwarderMqtt.java | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/forward/PositionForwarderMqtt.java b/src/main/java/org/traccar/forward/PositionForwarderMqtt.java new file mode 100644 index 000000000..abbdc538a --- /dev/null +++ b/src/main/java/org/traccar/forward/PositionForwarderMqtt.java @@ -0,0 +1,52 @@ +/* + * Copyright 2024 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 org.traccar.config.Config; +import org.traccar.config.Keys; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; + +public class PositionForwarderMqtt implements PositionForwarder { + private final MqttClient mqttClient; + + @Override + public void forward(final PositionData positionData, final ResultHandler resultHandler) { + publish(topic, positionData, resultHandler); + } + private final ObjectMapper objectMapper; + + protected final String topic; + + + public PositionForwarderMqtt(final Config config, final ObjectMapper objectMapper) { + this.topic = config.getString(Keys.FORWARD_TOPIC); + mqttClient = new MqttClient(config.getString(Keys.FORWARD_URL)); + this.objectMapper = objectMapper; + } + + protected void publish(final String pubTopic, final Object object, final ResultHandler resultHandler) { + final String payload; + try { + payload = objectMapper.writeValueAsString(object); + mqttClient.publish(pubTopic, payload, (message, e) -> resultHandler.onResult(e == null, e)); + } catch (JsonProcessingException e) { + resultHandler.onResult(false, e); + } + } + +} |