NEW : REBASE THE ENTIRE WORKING PROJECT

src/main/java/HttpCall/HttpPost.java

@@ -0,0 +1,41 @@
+package HttpCall;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
+
+public class HttpPost {
+
+  public String HttpCallPost(String baseUrl, String body) throws Exception {
+    var client = HttpClient
+      .newBuilder()
+      .version(HttpClient.Version.HTTP_1_1)
+      .followRedirects(HttpClient.Redirect.ALWAYS)
+      .build();
+    HttpRequest request = null;
+    try {
+      request =
+        HttpRequest
+          .newBuilder(new URI(baseUrl))
+          .POST(HttpRequest.BodyPublishers.ofString(body))
+          .setHeader("Content-Type", "application/json")
+          .setHeader("Accept", "application/json")
+          .build();
+    } catch (URISyntaxException e) {
+      e.printStackTrace();
+    }
+
+    CompletableFuture<HttpResponse<String>> response = client.sendAsync(
+      request,
+      HttpResponse.BodyHandlers.ofString()
+    );
+    String result = response
+      .thenApply(HttpResponse::body)
+      .get(5, TimeUnit.SECONDS);
+    return result;
+  }
+}