[JAVA-15027]Upgraded follow redirects for apache http client + moved … (#14092)

* [JAVA-15027]Upgraded follow redirects for apache http client + moved older version to apache-httpclient4 module

* [JAVA-15027] Added test case

apache-httpclient4/README.md

@@ -11,6 +11,7 @@ This module contains articles about Apache HttpClient 4.5
 - [Apache HttpClient vs. CloseableHttpClient](https://www.baeldung.com/apache-httpclient-vs-closeablehttpclient)
 - [Expand Shortened URLs with Apache HttpClient](https://www.baeldung.com/apache-httpclient-expand-url)
 - [Retrying Requests using Apache HttpClient](https://www.baeldung.com/java-retrying-requests-using-apache-httpclient)
+- [Apache HttpClient – Follow Redirects for POST](https://www.baeldung.com/httpclient-redirect-on-http-post)
 
 ### Running the Tests
 To run the live tests, use the command: mvn clean install -Plive

apache-httpclient4/src/test/java/com/baeldung/httpclient/HttpClientRedirectV4LiveTest.java

@@ -0,0 +1,70 @@
+package com.baeldung.httpclient;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+
+import java.io.IOException;
+
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.client.LaxRedirectStrategy;
+
+class HttpClientRedirectV4LiveTest {
+    private CloseableHttpClient instance;
+
+    private CloseableHttpResponse response;
+
+    @BeforeEach
+    public final void before() {
+        instance = HttpClientBuilder.create()
+            .build();
+    }
+
+    @AfterEach
+    public final void after() throws IllegalStateException, IOException {
+        ResponseUtil.closeResponse(response);
+    }
+
+    @Test
+    void givenRedirectsAreDisabled_whenConsumingUrlWhichRedirects_thenNotRedirected() throws IOException {
+        instance = HttpClients.custom()
+            .disableRedirectHandling()
+            .build();
+
+        final HttpGet httpGet = new HttpGet("http://t.co/I5YYd9tddw");
+        response = instance.execute(httpGet);
+
+        assertThat(response.getStatusLine()
+            .getStatusCode(), equalTo(301));
+    }
+
+    // redirect with POST
+
+    @Test
+    void givenPostRequest_whenConsumingUrlWhichRedirects_thenNotRedirected() throws IOException {
+        instance = HttpClientBuilder.create()
+            .build();
+        response = instance.execute(new HttpPost("http://t.co/I5YYd9tddw"));
+        assertThat(response.getStatusLine()
+            .getStatusCode(), equalTo(301));
+    }
+
+    @Test
+    void givenRedirectingPOST_whenConsumingUrlWhichRedirectsWithPOST_thenRedirected() throws IOException {
+        instance = HttpClientBuilder.create()
+            .setRedirectStrategy(new LaxRedirectStrategy())
+            .build();
+        response = instance.execute(new HttpPost("http://t.co/I5YYd9tddw"));
+        assertThat(response.getStatusLine()
+            .getStatusCode(), equalTo(200));
+    }
+
+}