Merge pull request #3617 from Abyss777/math_jexl

Map "Math" to Computed Attributes context

1 files changed, 2 insertions, 0 deletions

diff --git a/src/org/traccar/processing/ComputedAttributesHandler.java b/src/org/traccar/processing/ComputedAttributesHandler.java
index f1f371475..1e702d17f 100644
--- a/src/org/traccar/processing/ComputedAttributesHandler.java
+++ b/src/org/traccar/processing/ComputedAttributesHandler.java
@@ -20,6 +20,7 @@ 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;
@@ -43,6 +44,7 @@ public class ComputedAttributesHandler extends BaseDataHandler {
     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");
         }