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/*
* Copyright 2016 - 2017 Anton Tananaev (anton@traccar.org)
* Copyright 2016 - 2017 Andrey Kunitsyn (andrey@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.handler;
import io.netty.channel.ChannelHandler;
import org.traccar.BaseDataHandler;
import org.traccar.Context;
import org.traccar.model.Position;
@ChannelHandler.Sharable
public class CopyAttributesHandler extends BaseDataHandler {
private Position getLastPosition(long deviceId) {
if (Context.getIdentityManager() != null) {
return Context.getIdentityManager().getLastPosition(deviceId);
}
return null;
}
@Override
protected Position handlePosition(Position position) {
String attributesString = Context.getDeviceManager().lookupAttributeString(
position.getDeviceId(), "handler.copyAttributes", "", true);
Position last = getLastPosition(position.getDeviceId());
if (attributesString.isEmpty()) {
attributesString = Position.KEY_DRIVER_UNIQUE_ID;
} else {
attributesString += "," + Position.KEY_DRIVER_UNIQUE_ID;
}
if (last != null) {
for (String attribute : attributesString.split("[ ,]")) {
if (last.getAttributes().containsKey(attribute) && !position.getAttributes().containsKey(attribute)) {
position.getAttributes().put(attribute, last.getAttributes().get(attribute));
}
}
}
return position;
}
}
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