JAVA-1595: Restore code for Jetty ReactiveStreams HTTP Client article

libraries-http-2/src/main/java/com/baeldung/jetty/httpclient/BlockingSubscriber.java

@@ -0,0 +1,35 @@
+package com.baeldung.jetty.httpclient;
+
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jetty.reactive.client.ReactiveResponse;
+import org.reactivestreams.Subscriber;
+import org.reactivestreams.Subscription;
+
+public class BlockingSubscriber implements Subscriber<ReactiveResponse> {
+    BlockingQueue<ReactiveResponse> sink = new LinkedBlockingQueue<>(1);
+
+    @Override
+    public void onSubscribe(Subscription subscription) {
+        subscription.request(1);
+    }
+
+    @Override
+    public void onNext(ReactiveResponse response) {
+        sink.offer(response);
+    }
+
+    @Override
+    public void onError(Throwable failure) {
+    }
+
+    @Override
+    public void onComplete() {
+    }
+
+    public ReactiveResponse block() throws InterruptedException {
+        return sink.poll(5, TimeUnit.SECONDS);
+    }
+}

libraries-http-2/src/main/java/com/baeldung/jetty/httpclient/RequestHandler.java

@@ -0,0 +1,21 @@
+package com.baeldung.jetty.httpclient;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.server.handler.AbstractHandler;
+import org.eclipse.jetty.util.IO;
+
+public class RequestHandler extends AbstractHandler {
+
+    @Override
+    public void handle(String target, Request jettyRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+        jettyRequest.setHandled(true);
+        response.setContentType(request.getContentType());
+        IO.copy(request.getInputStream(), response.getOutputStream());
+    }
+}