Update Gradle to version 5.3 - Now with retries (#8840)

src/SignalR/clients/java/signalr/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-bin.zip

src/SignalR/clients/java/signalr/src/main/java/com/microsoft/signalr/HubConnection.java

@@ -11,10 +11,11 @@ import java.util.concurrent.atomic.AtomicLong;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 
-import com.google.gson.stream.JsonReader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.gson.stream.JsonReader;
+
 import io.reactivex.Completable;
 import io.reactivex.Observable;
 import io.reactivex.Single;
@@ -543,7 +544,7 @@ public class HubConnection {
     Object[] checkUploadStream(Object[] args, List<String> streamIds) {
         List<Object> params = new ArrayList<>(Arrays.asList(args));
         for (Object arg: args) {
-            if(arg instanceof Observable) {
+            if (arg instanceof Observable) {
                 params.remove(arg);
                 Observable stream = (Observable)arg;
                 String streamId = connectionState.getNextInvocationId();

src/SignalR/clients/java/signalr/src/main/java/com/microsoft/signalr/InvocationMessage.java

@@ -20,7 +20,7 @@ class InvocationMessage extends HubMessage {
         this.invocationId = invocationId;
         this.target = target;
         this.arguments = args;
-        if(streamIds != null && !streamIds.isEmpty()) {
+        if (streamIds != null && !streamIds.isEmpty()) {
             this.streamIds = streamIds;
         }
     }

src/SignalR/clients/java/signalr/src/main/java/com/microsoft/signalr/NegotiateResponse.java

@@ -4,7 +4,6 @@
 package com.microsoft.signalr;
 
 import java.io.IOException;
-import java.io.StringReader;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -103,7 +102,7 @@ class NegotiateResponse {
         return error;
     }
 
-    public String getFinalUrl(){
+    public String getFinalUrl() {
         return finalUrl;
     }
 

src/SignalR/clients/java/signalr/src/test/java/com/microsoft/signalr/HubConnectionTest.java

@@ -14,15 +14,14 @@ import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
 
-import io.reactivex.subjects.CompletableSubject;
-import io.reactivex.subjects.PublishSubject;
-import io.reactivex.subjects.ReplaySubject;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import io.reactivex.Observable;
 import io.reactivex.Single;
 import io.reactivex.disposables.Disposable;
+import io.reactivex.subjects.CompletableSubject;
+import io.reactivex.subjects.PublishSubject;
+import io.reactivex.subjects.ReplaySubject;
 import io.reactivex.subjects.SingleSubject;
 
 class HubConnectionTest {

src/SignalR/clients/java/signalr/src/test/java/com/microsoft/signalr/NegotiateResponseTest.java

@@ -5,10 +5,11 @@ package com.microsoft.signalr;
 
 import static org.junit.jupiter.api.Assertions.*;
 
-import com.google.gson.stream.JsonReader;
+import java.io.StringReader;
+
 import org.junit.jupiter.api.Test;
 
-import java.io.StringReader;
+import com.google.gson.stream.JsonReader;
 
 
 class NegotiateResponseTest {