2 files changed, 28 insertions, 15 deletions

diff --git a/src/main/java/org/traccar/notification/NotificationFormatter.java b/src/main/java/org/traccar/notification/NotificationFormatter.java
index 2d3b90412..fa244d9b4 100644
--- a/src/main/java/org/traccar/notification/NotificationFormatter.java
+++ b/src/main/java/org/traccar/notification/NotificationFormatter.java
@@ -27,18 +27,26 @@ import org.traccar.model.Server;
 import org.traccar.model.User;
 import org.traccar.session.cache.CacheManager;
 
-public final class NotificationFormatter {
+import javax.inject.Inject;
 
-    private NotificationFormatter() {
+public class NotificationFormatter {
+
+    private final CacheManager cacheManager;
+    private final TextTemplateFormatter textTemplateFormatter;
+
+    @Inject
+    public NotificationFormatter(
+            CacheManager cacheManager, TextTemplateFormatter textTemplateFormatter) {
+        this.cacheManager = cacheManager;
+        this.textTemplateFormatter = textTemplateFormatter;
     }
 
-    public static NotificationMessage formatMessage(
-            CacheManager cacheManager, User user, Event event, Position position, String templatePath) {
+    public NotificationMessage formatMessage(User user, Event event, Position position, String templatePath) {
 
         Server server = cacheManager.getServer();
         Device device = cacheManager.getObject(Device.class, event.getDeviceId());
 
-        VelocityContext velocityContext = TextTemplateFormatter.prepareContext(server, user);
+        VelocityContext velocityContext = textTemplateFormatter.prepareContext(server, user);
 
         velocityContext.put("device", device);
         velocityContext.put("event", event);
@@ -59,7 +67,7 @@ public final class NotificationFormatter {
             velocityContext.put("driver", cacheManager.findDriverByUniqueId(device.getId(), driverUniqueId));
         }
 
-        return TextTemplateFormatter.formatMessage(velocityContext, event.getType(), templatePath);
+        return textTemplateFormatter.formatMessage(velocityContext, event.getType(), templatePath);
     }
 
 }
diff --git a/src/main/java/org/traccar/notification/TextTemplateFormatter.java b/src/main/java/org/traccar/notification/TextTemplateFormatter.java
index 9072ec89e..bca18f53c 100644
--- a/src/main/java/org/traccar/notification/TextTemplateFormatter.java
+++ b/src/main/java/org/traccar/notification/TextTemplateFormatter.java
@@ -17,29 +17,34 @@ package org.traccar.notification;
 
 import org.apache.velocity.Template;
 import org.apache.velocity.VelocityContext;
+import org.apache.velocity.app.VelocityEngine;
 import org.apache.velocity.exception.ResourceNotFoundException;
 import org.apache.velocity.tools.generic.DateTool;
 import org.apache.velocity.tools.generic.NumberTool;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.traccar.Context;
 import org.traccar.helper.model.UserUtil;
 import org.traccar.model.Server;
 import org.traccar.model.User;
 
+import javax.inject.Inject;
 import java.io.StringWriter;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Paths;
 import java.util.Locale;
 
-public final class TextTemplateFormatter {
+public class TextTemplateFormatter {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(TextTemplateFormatter.class);
 
-    private TextTemplateFormatter() {
+    private final VelocityEngine velocityEngine;
+
+    @Inject
+    public TextTemplateFormatter(VelocityEngine velocityEngine) {
+        this.velocityEngine = velocityEngine;
     }
 
-    public static VelocityContext prepareContext(Server server, User user) {
+    public VelocityContext prepareContext(Server server, User user) {
 
         VelocityContext velocityContext = new VelocityContext();
 
@@ -48,7 +53,7 @@ public final class TextTemplateFormatter {
             velocityContext.put("timezone", UserUtil.getTimezone(server, user));
         }
 
-        velocityContext.put("webUrl", Context.getVelocityEngine().getProperty("web.url"));
+        velocityContext.put("webUrl", velocityEngine.getProperty("web.url"));
         velocityContext.put("dateTool", new DateTool());
         velocityContext.put("numberTool", new NumberTool());
         velocityContext.put("locale", Locale.getDefault());
@@ -56,23 +61,23 @@ public final class TextTemplateFormatter {
         return velocityContext;
     }
 
-    public static Template getTemplate(String name, String path) {
+    public Template getTemplate(String name, String path) {
 
         String templateFilePath;
         Template template;
 
         try {
             templateFilePath = Paths.get(path, name + ".vm").toString();
-            template = Context.getVelocityEngine().getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
+            template = velocityEngine.getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
         } catch (ResourceNotFoundException error) {
             LOGGER.warn("Notification template error", error);
             templateFilePath = Paths.get(path, "unknown.vm").toString();
-            template = Context.getVelocityEngine().getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
+            template = velocityEngine.getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
         }
         return template;
     }
 
-    public static NotificationMessage formatMessage(VelocityContext velocityContext, String name, String templatePath) {
+    public NotificationMessage formatMessage(VelocityContext velocityContext, String name, String templatePath) {
         StringWriter writer = new StringWriter();
         getTemplate(name, templatePath).merge(velocityContext, writer);
         return new NotificationMessage((String) velocityContext.get("subject"), writer.toString());