Replace com.ning/async-http-client with new package

Notice at:
https://github.com/ning/async-http-client

services/git-bridge/pom.xml

@@ -80,11 +80,11 @@
             <artifactId>gson</artifactId>
             <version>2.8.2</version>
         </dependency>
-        <!-- https://mvnrepository.com/artifact/com.ning/async-http-client -->
+        <!-- https://mvnrepository.com/artifact/org.asynchttpclient/async-http-client -->
         <dependency>
-            <groupId>com.ning</groupId>
+            <groupId>org.asynchttpclient</groupId>
             <artifactId>async-http-client</artifactId>
-            <version>1.9.40</version>
+            <version>2.3.0</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.eclipse.jgit/org.eclipse.jgit -->
         <dependency>

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/resource/UrlResourceCache.java

@@ -1,6 +1,6 @@
 package uk.ac.ic.wlgitbridge.bridge.resource;
 
-import com.ning.http.client.AsyncHttpClient;
+import static org.asynchttpclient.Dsl.*;
 import uk.ac.ic.wlgitbridge.bridge.db.DBStore;
 import uk.ac.ic.wlgitbridge.data.filestore.RawFile;
 import uk.ac.ic.wlgitbridge.data.filestore.RepositoryFile;
@@ -31,7 +31,7 @@ public class UrlResourceCache implements ResourceCache {
     }
 
     public UrlResourceCache(DBStore dbStore) {
-        this(dbStore, new NingHttpClient(new AsyncHttpClient()));
+        this(dbStore, new NingHttpClient(asyncHttpClient()));
     }
 
     @Override
@@ -82,8 +82,7 @@ public class UrlResourceCache implements ResourceCache {
         Log.info("GET -> " + url);
         try {
             contents = http.get(url, hs -> {
-                List<String> contentLengths
-                        = hs.getHeaders().get("Content-Length");
+                List<String> contentLengths = hs.getAll("Content-Length");
                 if (!maxFileSize.isPresent()) {
                     return true;
                 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/io/http/ning/NingHttpClient.java

@@ -1,6 +1,7 @@
 package uk.ac.ic.wlgitbridge.io.http.ning;
 
-import com.ning.http.client.*;
+import io.netty.handler.codec.http.HttpHeaders;
+import org.asynchttpclient.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import uk.ac.ic.wlgitbridge.util.FunctionT;
@@ -23,7 +24,7 @@ public class NingHttpClient implements NingHttpClientFacade {
     @Override
     public <E extends Exception> byte[] get(
             String url,
-            FunctionT<HttpResponseHeaders, Boolean, E> handler
+            FunctionT<HttpHeaders, Boolean, E> handler
     ) throws ExecutionException {
         try {
             return http
@@ -33,19 +34,19 @@ public class NingHttpClient implements NingHttpClientFacade {
                 ByteArrayOutputStream bytes = new ByteArrayOutputStream();
 
                 @Override
-                public STATE onHeadersReceived(
-                        HttpResponseHeaders headers
+                public State onHeadersReceived(
+                        HttpHeaders headers
                 ) throws E {
                     return handler.apply(headers)
-                            ? STATE.CONTINUE : STATE.ABORT;
+                            ? State.CONTINUE : State.ABORT;
                 }
 
                 @Override
-                public STATE onBodyPartReceived(
+                public State onBodyPartReceived(
                         HttpResponseBodyPart content
                 ) throws IOException {
                     bytes.write(content.getBodyPartBytes());
-                    return STATE.CONTINUE;
+                    return State.CONTINUE;
                 }
 
                 @Override

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/io/http/ning/NingHttpClientFacade.java

@@ -1,6 +1,6 @@
 package uk.ac.ic.wlgitbridge.io.http.ning;
 
-import com.ning.http.client.HttpResponseHeaders;
+import io.netty.handler.codec.http.HttpHeaders;
 import uk.ac.ic.wlgitbridge.util.FunctionT;
 
 import java.util.concurrent.ExecutionException;
@@ -16,7 +16,7 @@ public interface NingHttpClientFacade {
      */
     <E extends Exception> byte[] get(
             String url,
-            FunctionT<HttpResponseHeaders, Boolean, E> handler
+            FunctionT<HttpHeaders, Boolean, E> handler
     ) throws ExecutionException;
 
 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/io/http/ning/NingHttpHeaders.java

@@ -1,46 +0,0 @@
-package uk.ac.ic.wlgitbridge.io.http.ning;
-
-import com.ning.http.client.FluentCaseInsensitiveStringsMap;
-import com.ning.http.client.HttpResponseHeaders;
-
-import java.util.*;
-
-public class NingHttpHeaders extends HttpResponseHeaders {
-
-    private final FluentCaseInsensitiveStringsMap map;
-
-    private NingHttpHeaders(FluentCaseInsensitiveStringsMap map) {
-        this.map = map;
-    }
-
-    public static NingHttpHeadersBuilder builder() {
-        return new NingHttpHeadersBuilder();
-    }
-
-    @Override
-    public FluentCaseInsensitiveStringsMap getHeaders() {
-        return map;
-    }
-
-    public static class NingHttpHeadersBuilder {
-
-        private final Map<String, Collection<String>> map;
-
-        private NingHttpHeadersBuilder() {
-            map = new HashMap<>();
-        }
-
-        public NingHttpHeadersBuilder addHeader(String key, String... values) {
-            map.computeIfAbsent(key, __ -> new ArrayList<>())
-                    .addAll(Arrays.asList(values));
-            return this;
-        }
-
-        public NingHttpHeaders build() {
-            return new NingHttpHeaders(
-                    new FluentCaseInsensitiveStringsMap(map));
-        }
-
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/snapshot/base/Request.java

@@ -3,7 +3,8 @@ package uk.ac.ic.wlgitbridge.snapshot.base;
 import com.google.api.client.http.*;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
-import com.ning.http.client.AsyncHttpClient;
+import org.asynchttpclient.AsyncHttpClient;
+import static org.asynchttpclient.Dsl.*;
 import uk.ac.ic.wlgitbridge.snapshot.exception.FailedConnectionException;
 import uk.ac.ic.wlgitbridge.util.Instance;
 import uk.ac.ic.wlgitbridge.util.Log;
@@ -17,7 +18,7 @@ import java.util.concurrent.*;
  */
 public abstract class Request<T extends Result> {
 
-    public static final AsyncHttpClient httpClient = new AsyncHttpClient();
+    public static final AsyncHttpClient httpClient = asyncHttpClient();
 
     private static final Executor executor = Executors.newCachedThreadPool();
 

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/snapshot/servermock/server/PostbackThread.java

@@ -2,7 +2,7 @@ package uk.ac.ic.wlgitbridge.snapshot.servermock.server;
 
 import com.google.gson.Gson;
 import com.google.gson.JsonObject;
-import com.ning.http.client.AsyncHttpClient;
+import static org.asynchttpclient.Dsl.*;
 import uk.ac.ic.wlgitbridge.util.Log;
 
 import java.io.IOException;
@@ -30,17 +30,9 @@ public class PostbackThread extends Thread {
     @Override
     public void run() {
         try {
-            new AsyncHttpClient().preparePost(
+            asyncHttpClient().preparePost(
                     url
             ).setBody(postback).execute().get().getResponseBody();
-        } catch (IOException e) {
-            Log.warn(
-                    "IOException on postback, url: " +
-                            url +
-                            ", postback: " +
-                            postback,
-                    e
-            );
         } catch (InterruptedException e) {
             Log.warn(
                     "Interrupted on postback, url: " +

services/git-bridge/src/test/java/uk/ac/ic/wlgitbridge/application/WLGitBridgeIntegrationTest.java

@@ -1,9 +1,9 @@
 package uk.ac.ic.wlgitbridge.application;
 
-import com.ning.http.client.AsyncHttpClient;
-import com.ning.http.client.Response;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
+import static org.asynchttpclient.Dsl.*;
+import org.asynchttpclient.*;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.junit.Before;
 import org.junit.Rule;
@@ -613,22 +613,22 @@ public class WLGitBridgeIntegrationTest {
 
         // With no key, we should get a 404.
         String url = "http://127.0.0.1:" + gitBridgePort + "/api/testproj/push.tex";
-        Response response = new AsyncHttpClient().prepareGet(url).execute().get();
+        Response response = asyncHttpClient().prepareGet(url).execute().get();
         assertEquals(404, response.getStatusCode());
 
         // With an invalid project and no key, we should get a 404.
         url = "http://127.0.0.1:" + gitBridgePort + "/api/notavalidproject/push.tex";
-        response = new AsyncHttpClient().prepareGet(url).execute().get();
+        response = asyncHttpClient().prepareGet(url).execute().get();
         assertEquals(404, response.getStatusCode());
 
         // With a bad key for a valid project, we should get a 404.
         url = "http://127.0.0.1:" + gitBridgePort + "/api/testproj/push.tex?key=notavalidkey";
-        response = new AsyncHttpClient().prepareGet(url).execute().get();
+        response = asyncHttpClient().prepareGet(url).execute().get();
         assertEquals(404, response.getStatusCode());
 
         // With a bad key for an invalid project, we should get a 404.
         url = "http://127.0.0.1:" + gitBridgePort + "/api/notavalidproject/push.tex?key=notavalidkey";
-        response = new AsyncHttpClient().prepareGet(url).execute().get();
+        response = asyncHttpClient().prepareGet(url).execute().get();
         assertEquals(404, response.getStatusCode());
 
         wlgb.stop();
@@ -719,14 +719,14 @@ public class WLGitBridgeIntegrationTest {
         // With an invalid project and no key, we should get a 404,
         // which is rendered by our custom error handler.
         String url = "http://127.0.0.1:" + gitBridgePort + "/api/notavalidproject/main.tex";
-        Response response = new AsyncHttpClient().prepareGet(url).execute().get();
+        Response response = asyncHttpClient().prepareGet(url).execute().get();
         assertEquals(404, response.getStatusCode());
         assertEquals("{\"message\":\"HTTP error 404\"}", response.getResponseBody());
 
         // With an unsupported URL outside the api, we should get a 500,
         // which is rendered by our custom error handler.
         url = "http://127.0.0.1:" + gitBridgePort + "/foo";
-        response = new AsyncHttpClient().prepareGet(url).execute().get();
+        response = asyncHttpClient().prepareGet(url).execute().get();
         assertEquals(500, response.getStatusCode());
         assertEquals("{\"message\":\"HTTP error 500\"}", response.getResponseBody());
 

services/git-bridge/src/test/java/uk/ac/ic/wlgitbridge/bridge/resource/UrlResourceCacheTest.java

@@ -1,12 +1,12 @@
 package uk.ac.ic.wlgitbridge.bridge.resource;
 
-import com.ning.http.client.HttpResponseHeaders;
+import io.netty.handler.codec.http.HttpHeaders;
+import io.netty.handler.codec.http.DefaultHttpHeaders;
 import org.junit.Test;
 import uk.ac.ic.wlgitbridge.bridge.db.noop.NoopDbStore;
 import uk.ac.ic.wlgitbridge.bridge.util.CastUtil;
 import uk.ac.ic.wlgitbridge.git.exception.SizeLimitExceededException;
 import uk.ac.ic.wlgitbridge.io.http.ning.NingHttpClientFacade;
-import uk.ac.ic.wlgitbridge.io.http.ning.NingHttpHeaders;
 import uk.ac.ic.wlgitbridge.util.FunctionT;
 
 import java.io.IOException;
@@ -31,11 +31,8 @@ public class UrlResourceCacheTest {
     private final UrlResourceCache cache
             = new UrlResourceCache(new NoopDbStore(), http);
 
-    private static HttpResponseHeaders withContentLength(long cl) {
-        return NingHttpHeaders
-                .builder()
-                .addHeader("Content-Length", String.valueOf(cl))
-                .build();
+    private static HttpHeaders withContentLength(long cl) {
+        return new DefaultHttpHeaders().add("Content-Length", String.valueOf(cl));
     }
 
     private void respondWithContentLength(long cl, long actual)
@@ -44,7 +41,7 @@ public class UrlResourceCacheTest {
             Object[] args = invoc.getArguments();
             //noinspection unchecked
             ((FunctionT<
-                    HttpResponseHeaders, Boolean, SizeLimitExceededException
+                    HttpHeaders, Boolean, SizeLimitExceededException
             >) args[1]).apply(withContentLength(cl));
             return new byte[CastUtil.assumeInt(actual)];
         });