From 3daa1b01ce4794f2df03ad0bf44c87b5378f9438 Mon Sep 17 00:00:00 2001
From: "parth.karia" <parthkaria.92@gmail.com>
Date: Mon, 27 Nov 2017 12:10:19 +0530
Subject: [PATCH] BAEL-21 Exploring the new HTTP Client in Java 9

---
 .../java9/httpclient/HttpClientExample.java   | 76 +++++++++++++++++++
 core-java-9/src/main/java/module-info.java    |  3 +
 2 files changed, 79 insertions(+)
 create mode 100644 core-java-9/src/main/java/com/baeldung/java9/httpclient/HttpClientExample.java
 create mode 100644 core-java-9/src/main/java/module-info.java

diff --git a/core-java-9/src/main/java/com/baeldung/java9/httpclient/HttpClientExample.java b/core-java-9/src/main/java/com/baeldung/java9/httpclient/HttpClientExample.java
new file mode 100644
index 0000000000..6ccfd030a5
--- /dev/null
+++ b/core-java-9/src/main/java/com/baeldung/java9/httpclient/HttpClientExample.java
@@ -0,0 +1,76 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.baeldung.java9.httpclient;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.stream.Collectors;
+import jdk.incubator.http.HttpClient;
+import jdk.incubator.http.HttpRequest;
+import jdk.incubator.http.HttpRequest.BodyProcessor;
+import jdk.incubator.http.HttpResponse;
+import jdk.incubator.http.HttpResponse.BodyHandler;
+
+/**
+ *
+ * @author pkaria
+ */
+public class HttpClientExample {
+
+    public void httpGetRequest() throws URISyntaxException, IOException, InterruptedException {
+        HttpClient client = HttpClient.newHttpClient();
+        URI httpURI = new URI("http://jsonplaceholder.typicode.com/posts/1");
+        HttpRequest request = HttpRequest.newBuilder(httpURI).GET().build();
+        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandler.asString());
+        String responseBody = response.body();
+        int responseStatusCode = response.statusCode();
+        System.out.println(responseBody);
+    }
+
+    public void httpPosttRequest() throws URISyntaxException, IOException, InterruptedException {
+        HttpClient client = HttpClient
+                .newBuilder()
+                .build();
+        HttpRequest request = HttpRequest
+                .newBuilder(new URI("http://jsonplaceholder.typicode.com/posts"))
+                .POST(BodyProcessor.fromString("Sample Post Request"))
+                .build();
+        HttpResponse<String> response
+                = client.send(request, HttpResponse.BodyHandler.asString());
+        String responseBody = response.body();
+        System.out.println(responseBody);
+    }
+
+    public void asynchronousRequest() throws URISyntaxException {
+        HttpClient client = HttpClient.newHttpClient();
+        URI httpURI = new URI("http://jsonplaceholder.typicode.com/posts/1");
+        HttpRequest request = HttpRequest.newBuilder(httpURI).GET().build();
+        CompletableFuture<HttpResponse<String>> futureResponse = client.sendAsync(request,
+                HttpResponse.BodyHandler.asString());
+    }
+
+    public void asynchronousMultipleRequests() throws URISyntaxException {
+        List<URI> targets = Arrays.asList(new URI("http://jsonplaceholder.typicode.com/posts/1"), new URI("http://jsonplaceholder.typicode.com/posts/2"));
+        HttpClient client = HttpClient.newHttpClient();
+        List<CompletableFuture<File>> futures = targets
+                .stream()
+                .map(target -> client
+                .sendAsync(
+                        HttpRequest.newBuilder(target)
+                                .GET()
+                                .build(),
+                        BodyHandler.asFile(Paths.get("base", target.getPath())))
+                .thenApply(response -> response.body())
+                .thenApply(path -> path.toFile()))
+                .collect(Collectors.toList());
+    }
+}
diff --git a/core-java-9/src/main/java/module-info.java b/core-java-9/src/main/java/module-info.java
new file mode 100644
index 0000000000..163dd4f5be
--- /dev/null
+++ b/core-java-9/src/main/java/module-info.java
@@ -0,0 +1,3 @@
+module com.baeldung.java9.httpclient {   
+	requires jdk.incubator.httpclient;
+}
\ No newline at end of file