BAEL-2262 Demo Spring Boot App for HTTPS enabled. (#5513)

* BAEL-1979 Added examples for SnakeYAML Library

* BAEL-1979 Moved the snakeyaml related code to libraries module

* BAEL-1979 Removed the System.out.println() statements and converted the assertTrue to assertEquals wherever possible.

* BAEL-1979 Removed println statements, small formatting fix in pom.xml

* BAEL-1466 Added a new module for apache-geode

* BAEL-1466 Updated the Integration Tests.

* BAEL-1466 Updated the Integration Tests.

* BAEL-1466 Updated the Integration Tests.

* BAEL-1466 Removed the Unnecessary code.

* BAEL-2262 Added code for demonstration of HTTPS enabled Spring Boot Application

spring-security-mvc-boot/src/test/java/org/baeldung/web/HttpsApplicationIntegrationTest.java

@@ -0,0 +1,67 @@
+package org.baeldung.web;
+
+import org.apache.http.client.HttpClient;
+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.ssl.SSLContextBuilder;
+import org.baeldung.ssl.HttpsEnabledApplication;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.core.io.Resource;
+import org.springframework.http.*;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.web.client.RestTemplate;
+
+import javax.net.ssl.SSLContext;
+import java.util.Base64;
+
+import static org.junit.Assert.assertEquals;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = HttpsEnabledApplication.class, webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
+@ActiveProfiles("ssl")
+public class HttpsApplicationIntegrationTest {
+
+    private static final String WELCOME_URL = "https://localhost:8443/welcome";
+
+    @Value("${trust.store}")
+    private Resource trustStore;
+
+    @Value("${trust.store.password}")
+    private String trustStorePassword;
+
+    @Test
+    public void whenGETanHTTPSResource_thenCorrectResponse() throws Exception {
+        ResponseEntity<String> response = restTemplate().exchange(WELCOME_URL, HttpMethod.GET, new HttpEntity<String>(withAuthorization("memuser", "pass")), String.class);
+
+        assertEquals("<h1>Welcome to Secured Site</h1>", response.getBody());
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+    }
+
+    RestTemplate restTemplate() throws Exception {
+        SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray())
+            .build();
+        SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(sslContext);
+        HttpClient httpClient = HttpClients.custom()
+            .setSSLSocketFactory(socketFactory)
+            .build();
+        HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(httpClient);
+        return new RestTemplate(factory);
+    }
+
+    HttpHeaders withAuthorization(String userName, String password) {
+        return new HttpHeaders() {
+            {
+                String auth = userName + ":" + password;
+                String authHeader = "Basic " + new String(Base64.getEncoder()
+                    .encode(auth.getBytes()));
+                set("Authorization", authHeader);
+            }
+        };
+    }
+
+}