Use JSR-305 annotations instead of Jetbrains annotations

build.gradle.kts

@@ -50,11 +50,11 @@ subprojects {
         targetCompatibility = javaVersion
     }
 
-    val implementation by configurations
+    val api by configurations
     val testImplementation by configurations
 
     dependencies {
-        implementation("org.jetbrains:annotations:17.0.0")
+        api("com.google.code.findbugs:jsr305:3.0.2")
 
         testImplementation("com.google.guava:guava:28.1-jre")
         testImplementation("org.testng:testng:7.0.0")

gitlfs-client/src/main/java/ru/bozaro/gitlfs/client/AuthHelper.java

@@ -1,10 +1,10 @@
 package ru.bozaro.gitlfs.client;
 
-import org.jetbrains.annotations.NotNull;
 import ru.bozaro.gitlfs.client.auth.AuthProvider;
 import ru.bozaro.gitlfs.client.auth.BasicAuthProvider;
 import ru.bozaro.gitlfs.client.auth.ExternalAuthProvider;
 
+import javax.annotation.Nonnull;
 import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -34,7 +34,8 @@ private AuthHelper() {
    * @param gitURL URL to repository.
    * @return Created auth provider.
    */
-  public static AuthProvider create(@NotNull String gitURL) throws MalformedURLException {
+  @Nonnull
+  public static AuthProvider create(@Nonnull String gitURL) throws MalformedURLException {
     if (gitURL.contains("://")) {
       final URI uri = URI.create(gitURL);
       final String path = uri.getPath();
@@ -52,8 +53,8 @@ public static AuthProvider create(@NotNull String gitURL) throws MalformedURLExc
     return new ExternalAuthProvider(gitURL);
   }
 
-  @NotNull
-  public static URI join(@NotNull URI href, @NotNull String... path) {
+  @Nonnull
+  public static URI join(@Nonnull URI href, @Nonnull String... path) {
     try {
       URI uri = new URI(href.getScheme(), href.getAuthority(), href.getPath() + (href.getPath().endsWith("/") ? "" : "/"), null, null);
       for (String fragment : path)

gitlfs-client/src/main/java/ru/bozaro/gitlfs/client/BatchDownloader.java

@@ -1,7 +1,5 @@
 package ru.bozaro.gitlfs.client;
 
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 import ru.bozaro.gitlfs.client.internal.BatchWorker;
 import ru.bozaro.gitlfs.client.internal.Work;
 import ru.bozaro.gitlfs.client.io.StreamHandler;
@@ -10,6 +8,8 @@
 import ru.bozaro.gitlfs.common.data.Meta;
 import ru.bozaro.gitlfs.common.data.Operation;
 
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
 import java.io.IOException;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
@@ -20,22 +20,22 @@
  * @author Artem V. Navrotskiy
  */
 public class BatchDownloader extends BatchWorker<StreamHandler<?>, Object> {
-  public BatchDownloader(@NotNull Client client, @NotNull ExecutorService pool) {
+  public BatchDownloader(@Nonnull Client client, @Nonnull ExecutorService pool) {
     this(client, pool, new BatchSettings());
   }
 
-  public BatchDownloader(@NotNull Client client, @NotNull ExecutorService pool, @NotNull BatchSettings settings) {
+  public BatchDownloader(@Nonnull Client client, @Nonnull ExecutorService pool, @Nonnull BatchSettings settings) {
     super(client, pool, settings, Operation.Download);
   }
 
   @SuppressWarnings("unchecked")
-  @NotNull
-  public <T> CompletableFuture<T> download(@NotNull final Meta meta, @NotNull StreamHandler<T> callback) {
+  @Nonnull
+  public <T> CompletableFuture<T> download(@Nonnull final Meta meta, @Nonnull StreamHandler<T> callback) {
     return (CompletableFuture<T>) enqueue(meta, callback);
   }
 
-  @Nullable
-  protected Work<Object> objectTask(@NotNull State<StreamHandler<?>, Object> state, @NotNull BatchItem item) {
+  @CheckForNull
+  protected Work<Object> objectTask(@Nonnull State<StreamHandler<?>, Object> state, @Nonnull BatchItem item) {
     // Invalid links data
     if (!item.getLinks().containsKey(LinkType.Download)) {
       state.getFuture().completeExceptionally(new IOException("Download link not found"));

gitlfs-client/src/main/java/ru/bozaro/gitlfs/client/BatchSettings.java

@@ -1,6 +1,6 @@
 package ru.bozaro.gitlfs.client;
 
-import org.jetbrains.annotations.NotNull;
+import javax.annotation.Nonnull;
 
 import static ru.bozaro.gitlfs.common.Constants.BATCH_SIZE;
 
@@ -36,7 +36,7 @@ public int getLimit() {
     return limit;
   }
 
-  @NotNull
+  @Nonnull
   public BatchSettings setLimit(int limit) {
     this.limit = Math.min(limit, 1);
     return this;
@@ -46,7 +46,7 @@ public int getThreshold() {
     return threshold;
   }
 
-  @NotNull
+  @Nonnull
   public BatchSettings setThreshold(int threshold) {
     this.threshold = Math.max(threshold, 0);
     return this;
@@ -56,7 +56,7 @@ public int getRetryCount() {
     return retryCount;
   }
 
-  @NotNull
+  @Nonnull
   public BatchSettings setRetryCount(int retryCount) {
     this.retryCount = Math.max(retryCount, 1);
     return this;

gitlfs-client/src/main/java/ru/bozaro/gitlfs/client/BatchUploader.java

@@ -1,7 +1,5 @@
 package ru.bozaro.gitlfs.client;
 
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 import ru.bozaro.gitlfs.client.internal.BatchWorker;
 import ru.bozaro.gitlfs.client.internal.Work;
 import ru.bozaro.gitlfs.client.io.StreamProvider;
@@ -10,6 +8,8 @@
 import ru.bozaro.gitlfs.common.data.Meta;
 import ru.bozaro.gitlfs.common.data.Operation;
 
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
 
@@ -19,11 +19,11 @@
  * @author Artem V. Navrotskiy
  */
 public class BatchUploader extends BatchWorker<StreamProvider, Meta> {
-  public BatchUploader(@NotNull Client client, @NotNull ExecutorService pool) {
+  public BatchUploader(@Nonnull Client client, @Nonnull ExecutorService pool) {
     this(client, pool, new BatchSettings());
   }
 
-  public BatchUploader(@NotNull Client client, @NotNull ExecutorService pool, @NotNull BatchSettings settings) {
+  public BatchUploader(@Nonnull Client client, @Nonnull ExecutorService pool, @Nonnull BatchSettings settings) {
     super(client, pool, settings, Operation.Upload);
   }
 
@@ -33,8 +33,8 @@ public BatchUploader(@NotNull Client client, @NotNull ExecutorService pool, @Not
    * @param streamProvider Stream provider.
    * @return Return future with upload result.
    */
-  @NotNull
-  public CompletableFuture<Meta> upload(@NotNull final StreamProvider streamProvider) {
+  @Nonnull
+  public CompletableFuture<Meta> upload(@Nonnull final StreamProvider streamProvider) {
     final CompletableFuture<Meta> future = new CompletableFuture<>();
     getPool().submit(() -> {
       try {
@@ -53,13 +53,13 @@ public CompletableFuture<Meta> upload(@NotNull final StreamProvider streamProvid
    * @param streamProvider Stream provider.
    * @return Return future with upload result. For same objects can return same future.
    */
-  @NotNull
-  public CompletableFuture<Meta> upload(@NotNull final Meta meta, @NotNull final StreamProvider streamProvider) {
+  @Nonnull
+  public CompletableFuture<Meta> upload(@Nonnull final Meta meta, @Nonnull final StreamProvider streamProvider) {
     return enqueue(meta, streamProvider);
   }
 
-  @Nullable
-  protected Work<Meta> objectTask(@NotNull State<StreamProvider, Meta> state, @NotNull BatchItem item) {
+  @CheckForNull
+  protected Work<Meta> objectTask(@Nonnull State<StreamProvider, Meta> state, @Nonnull BatchItem item) {
     if (item.getLinks().containsKey(LinkType.Upload)) {
       // Wait for upload.
       return auth -> {