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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/org/traccar/handler/ComputedAttributesHandler.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/org/traccar/handler/ComputedAttributesHandler.java')
-rw-r--r--src/org/traccar/handler/ComputedAttributesHandler.java140
1 files changed, 0 insertions, 140 deletions
diff --git a/src/org/traccar/handler/ComputedAttributesHandler.java b/src/org/traccar/handler/ComputedAttributesHandler.java
deleted file mode 100644
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--- a/src/org/traccar/handler/ComputedAttributesHandler.java
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@@ -1,140 +0,0 @@
-/*
- * Copyright 2017 - 2019 Anton Tananaev (anton@traccar.org)
- * Copyright 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 java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
-import io.netty.channel.ChannelHandler;
-import org.apache.commons.jexl2.JexlEngine;
-import org.apache.commons.jexl2.JexlException;
-import org.apache.commons.jexl2.MapContext;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.traccar.BaseDataHandler;
-import org.traccar.config.Config;
-import org.traccar.config.Keys;
-import org.traccar.database.AttributesManager;
-import org.traccar.database.IdentityManager;
-import org.traccar.model.Attribute;
-import org.traccar.model.Device;
-import org.traccar.model.Position;
-
-@ChannelHandler.Sharable
-public class ComputedAttributesHandler extends BaseDataHandler {
-
- private static final Logger LOGGER = LoggerFactory.getLogger(ComputedAttributesHandler.class);
-
- private final IdentityManager identityManager;
- private final AttributesManager attributesManager;
-
- private final JexlEngine engine;
-
- private final boolean includeDeviceAttributes;
-
- public ComputedAttributesHandler(
- Config config, IdentityManager identityManager, AttributesManager attributesManager) {
- this.identityManager = identityManager;
- this.attributesManager = attributesManager;
- engine = new JexlEngine();
- engine.setStrict(true);
- engine.setFunctions(Collections.singletonMap("math", Math.class));
- includeDeviceAttributes = config.getBoolean(Keys.PROCESSING_COMPUTED_ATTRIBUTES_DEVICE_ATTRIBUTES);
- }
-
- private MapContext prepareContext(Position position) {
- MapContext result = new MapContext();
- if (includeDeviceAttributes) {
- Device device = identityManager.getById(position.getDeviceId());
- if (device != null) {
- for (Object key : device.getAttributes().keySet()) {
- result.set((String) key, device.getAttributes().get(key));
- }
- }
- }
- Set<Method> methods = new HashSet<>(Arrays.asList(position.getClass().getMethods()));
- methods.removeAll(Arrays.asList(Object.class.getMethods()));
- for (Method method : methods) {
- if (method.getName().startsWith("get") && method.getParameterTypes().length == 0) {
- String name = Character.toLowerCase(method.getName().charAt(3)) + method.getName().substring(4);
-
- try {
- if (!method.getReturnType().equals(Map.class)) {
- result.set(name, method.invoke(position));
- } else {
- for (Object key : ((Map) method.invoke(position)).keySet()) {
- result.set((String) key, ((Map) method.invoke(position)).get(key));
- }
- }
- } catch (IllegalAccessException | InvocationTargetException error) {
- LOGGER.warn("Attribute reflection error", error);
- }
- }
- }
- return result;
- }
-
- /**
- * @deprecated logic needs to be extracted to be used in API resource
- */
- @Deprecated
- public Object computeAttribute(Attribute attribute, Position position) throws JexlException {
- return engine.createExpression(attribute.getExpression()).evaluate(prepareContext(position));
- }
-
- @Override
- protected Position handlePosition(Position position) {
- Collection<Attribute> attributes = attributesManager.getItems(
- attributesManager.getAllDeviceItems(position.getDeviceId()));
- for (Attribute attribute : attributes) {
- if (attribute.getAttribute() != null) {
- Object result = null;
- try {
- result = computeAttribute(attribute, position);
- } catch (JexlException error) {
- LOGGER.warn("Attribute computation error", error);
- }
- if (result != null) {
- try {
- switch (attribute.getType()) {
- case "number":
- Number numberValue = (Number) result;
- position.getAttributes().put(attribute.getAttribute(), numberValue);
- break;
- case "boolean":
- Boolean booleanValue = (Boolean) result;
- position.getAttributes().put(attribute.getAttribute(), booleanValue);
- break;
- default:
- position.getAttributes().put(attribute.getAttribute(), result.toString());
- }
- } catch (ClassCastException error) {
- LOGGER.warn("Attribute cast error", error);
- }
- }
- }
- }
- return position;
- }
-
-}