From 6c17f85d04b224ff2a09265918765c9f4fc8cf94 Mon Sep 17 00:00:00 2001 From: Abyss777 Date: Wed, 10 May 2017 13:27:49 +0500 Subject: Implement computed attributes --- .../traccar/processing/CopyAttributesHandler.java | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/org/traccar/processing/CopyAttributesHandler.java (limited to 'src/org/traccar/processing/CopyAttributesHandler.java') diff --git a/src/org/traccar/processing/CopyAttributesHandler.java b/src/org/traccar/processing/CopyAttributesHandler.java new file mode 100644 index 000000000..3a96ca98d --- /dev/null +++ b/src/org/traccar/processing/CopyAttributesHandler.java @@ -0,0 +1,47 @@ +/* + * 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.processing; + +import org.traccar.BaseDataHandler; +import org.traccar.Context; +import org.traccar.model.Position; + +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(), "processing.copyAttributes", null, true); + Position last = getLastPosition(position.getDeviceId()); + if (attributesString != null && 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; + } + +} -- cgit v1.2.3