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Diffstat (limited to 'src/org/traccar/processing/ComputedAttributesHandler.java')
-rw-r--r--src/org/traccar/processing/ComputedAttributesHandler.java122
1 files changed, 0 insertions, 122 deletions
diff --git a/src/org/traccar/processing/ComputedAttributesHandler.java b/src/org/traccar/processing/ComputedAttributesHandler.java
deleted file mode 100644
index 1e702d17f..000000000
--- a/src/org/traccar/processing/ComputedAttributesHandler.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright 2017 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.processing;
-
-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 org.apache.commons.jexl2.JexlEngine;
-import org.apache.commons.jexl2.JexlException;
-import org.apache.commons.jexl2.MapContext;
-import org.traccar.BaseDataHandler;
-import org.traccar.Context;
-import org.traccar.helper.Log;
-import org.traccar.model.Attribute;
-import org.traccar.model.Device;
-import org.traccar.model.Position;
-
-public class ComputedAttributesHandler extends BaseDataHandler {
-
- private JexlEngine engine;
-
- private boolean mapDeviceAttributes;
-
- public ComputedAttributesHandler() {
- engine = new JexlEngine();
- engine.setStrict(true);
- engine.setFunctions(Collections.singletonMap("math", (Object) Math.class));
- if (Context.getConfig() != null) {
- mapDeviceAttributes = Context.getConfig().getBoolean("processing.computedAttributes.deviceAttributes");
- }
- }
-
- private MapContext prepareContext(Position position) {
- MapContext result = new MapContext();
- if (mapDeviceAttributes) {
- Device device = Context.getIdentityManager().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) {
- Log.warning(error);
- }
- }
- }
- return result;
- }
-
- 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 = Context.getAttributesManager().getItems(
- Context.getAttributesManager().getAllDeviceItems(position.getDeviceId()));
- for (Attribute attribute : attributes) {
- if (attribute.getAttribute() != null) {
- Object result = null;
- try {
- result = computeAttribute(attribute, position);
- } catch (JexlException error) {
- Log.warning(error);
- }
- if (result != null) {
- try {
- switch (attribute.getType()) {
- case "number":
- position.getAttributes().put(attribute.getAttribute(), (Number) result);
- break;
- case "boolean":
- position.getAttributes().put(attribute.getAttribute(), (Boolean) result);
- break;
- default:
- position.getAttributes().put(attribute.getAttribute(), result.toString());
- }
- } catch (ClassCastException error) {
- Log.warning(error);
- }
- }
- }
- }
- return position;
- }
-
-}