Clean up unused imports

4 files changed, 9 insertions, 10 deletions

diff --git a/src/org/traccar/api/resource/DeviceResource.java b/src/org/traccar/api/resource/DeviceResource.java
index ddf8832ed..87927e45b 100644
--- a/src/org/traccar/api/resource/DeviceResource.java
+++ b/src/org/traccar/api/resource/DeviceResource.java
@@ -71,7 +71,7 @@ public class DeviceResource extends BaseObjectResource<Device> {
                 result = deviceManager.getUserItems(userId);
             }
         } else {
-            result = new HashSet<Long>();
+            result = new HashSet<>();
             for (String uniqueId : uniqueIds) {
                 Device device = deviceManager.getByUniqueId(uniqueId);
                 Context.getPermissionsManager().checkDevice(getUserId(), device.getId());
diff --git a/src/org/traccar/api/resource/SessionResource.java b/src/org/traccar/api/resource/SessionResource.java
index 3f7842626..2a0bd4364 100644
--- a/src/org/traccar/api/resource/SessionResource.java
+++ b/src/org/traccar/api/resource/SessionResource.java
@@ -61,15 +61,14 @@ public class SessionResource extends BaseResource {
             Cookie[] cookies = request.getCookies();
             String email = null, password = null;
             if (cookies != null) {
-                for (int i = 0; i < cookies.length; i++) {
-                    if (cookies[i].getName().equals(USER_COOKIE_KEY)) {
+                for (Cookie cookie : cookies) {
+                    if (cookie.getName().equals(USER_COOKIE_KEY)) {
                         byte[] emailBytes = DatatypeConverter.parseBase64Binary(
-                                URLDecoder.decode(cookies[i].getValue(), StandardCharsets.US_ASCII.name()));
+                                URLDecoder.decode(cookie.getValue(), StandardCharsets.US_ASCII.name()));
                         email = new String(emailBytes, StandardCharsets.UTF_8);
-                    }
-                    if (cookies[i].getName().equals(PASS_COOKIE_KEY)) {
+                    } else if (cookie.getName().equals(PASS_COOKIE_KEY)) {
                         byte[] passwordBytes = DatatypeConverter.parseBase64Binary(
-                                URLDecoder.decode(cookies[i].getValue(), StandardCharsets.US_ASCII.name()));
+                                URLDecoder.decode(cookie.getValue(), StandardCharsets.US_ASCII.name()));
                         password = new String(passwordBytes, StandardCharsets.UTF_8);
                     }
                 }
diff --git a/src/org/traccar/notification/EventForwarder.java b/src/org/traccar/notification/EventForwarder.java
index ad8134f18..d1bdd4aba 100644
--- a/src/org/traccar/notification/EventForwarder.java
+++ b/src/org/traccar/notification/EventForwarder.java
@@ -17,7 +17,7 @@ package org.traccar.notification;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.ning.http.client.AsyncHttpClient.BoundRequestBuilder;
-import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 import org.traccar.Context;
@@ -73,7 +73,7 @@ public abstract class EventForwarder {
         for (String paramLine: paramsLines) {
             splitedLine = paramLine.split(separator, 2);
             if (splitedLine.length == 2) {
-                paramsMap.put(splitedLine[0].trim(), Arrays.asList(splitedLine[1].trim()));
+                paramsMap.put(splitedLine[0].trim(), Collections.singletonList(splitedLine[1].trim()));
             }
         }
         return paramsMap;
diff --git a/src/org/traccar/web/CsvBuilder.java b/src/org/traccar/web/CsvBuilder.java
index 2bbe89788..fa99f1b18 100644
--- a/src/org/traccar/web/CsvBuilder.java
+++ b/src/org/traccar/web/CsvBuilder.java
@@ -51,7 +51,7 @@ public class CsvBuilder {
 
     private SortedSet<Method> getSortedMethods(Object object) {
         Method[] methodArray = object.getClass().getMethods();
-        SortedSet<Method> methods = new TreeSet<Method>(new Comparator<Method>() {
+        SortedSet<Method> methods = new TreeSet<>(new Comparator<Method>() {
             @Override
             public int compare(Method m1, Method m2) {
                 if (m1.getName().equals("getAttributes") && !m1.getName().equals(m2.getName())) {