Feature rt 3 (#12914)

* Clone Article Initial Version

* Customized RestTemplate to access HTTPS Rest Service

* Customized RestTemplate to access HTTPS Rest Service

* removed unused files

* removed unused files

* removed unused changes

* Added Customized RestTemplate

* Formatted java components

* Create application-ssl.properties

added app props ssl

* Secured REST Service and Customized Rest Template

Secured REST Service and Customized Rest Template

* Delete CustomRestTemplateConfiguration.java

* Delete RestTemplateClientApplication.java

* Delete RestTemplateClientController.java

* Delete application-ssl-client.properties

* Format changes

Format changes

* Update CustomRestTemplateConfiguration.java

* Update RestTemplateClientApplication.java

* Update RestTemplateClientController.java

* Update HttpsEnabledApplication.java

* Update WelcomeController.java

* Update HttpsEnabledApplication.java

* Update CustomRestTemplateConfiguration.java

* Update RestTemplateClientController.java

* Update RestTemplateClientApplication.java

Co-authored-by: PADMAJA <PADMAJA@192.168.100.7>

spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/resttemplate/custom/CustomRestTemplateConfiguration.java

@@ -0,0 +1,45 @@
+package com.baeldung.resttemplate.custom;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.security.KeyManagementException;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+
+import javax.net.ssl.SSLContext;
+
+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.ssl.SSLContextBuilder;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.Resource;
+import org.springframework.http.client.ClientHttpRequestFactory;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class CustomRestTemplateConfiguration {
+
+    @Value("${trust.store}")
+    private Resource trustStore;
+
+    @Value("${trust.store.password}")
+    private String trustStorePassword;
+
+    @Bean
+    public RestTemplate restTemplate() throws KeyManagementException, NoSuchAlgorithmException, KeyStoreException,
+      CertificateException, MalformedURLException, IOException {
+
+        SSLContext sslContext = new SSLContextBuilder()
+         .loadTrustMaterial(trustStore.getURL(), trustStorePassword.toCharArray()).build();
+        SSLConnectionSocketFactory sslConFactory = new SSLConnectionSocketFactory(sslContext);
+
+        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(sslConFactory).build();
+        ClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory(httpClient);
+        return new RestTemplate(requestFactory);
+    }
+}

spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/resttemplate/custom/RestTemplateClientApplication.java

@@ -0,0 +1,17 @@
+package com.baeldung.resttemplate.custom;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.PropertySource;
+
+@ComponentScan(basePackages = "com.baeldung.resttemplate.custom")
+@PropertySource("classpath:application.properties")
+@SpringBootApplication
+public class RestTemplateClientApplication {
+    public static void main(String[] args) {
+        SpringApplication application = new SpringApplication(RestTemplateClientApplication.class);
+        application.setAdditionalProfiles("ssl-client");
+        application.run(args);
+    }
+}

spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/resttemplate/custom/RestTemplateClientController.java

@@ -0,0 +1,20 @@
+package com.baeldung.resttemplate.custom;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+
+@RestController
+public class RestTemplateClientController {
+    private static final String WELCOME_URL = "https://localhost:8443/welcome";
+
+    @Autowired
+    private RestTemplate restTemplate;
+
+    @GetMapping("/welcomeclient")
+    public String greetMessage() {
+        String response = restTemplate.getForObject(WELCOME_URL, String.class);
+        return response;
+    }
+}

spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/web/https/HttpsEnabledApplication.java

@@ -0,0 +1,17 @@
+package com.baeldung.web.https;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.PropertySource;
+
+@ComponentScan(basePackages = "com.baeldung.web.https")
+@PropertySource("classpath:application.properties")
+@SpringBootApplication
+public class HttpsEnabledApplication {
+    public static void main(String... args) {
+        SpringApplication application = new SpringApplication(HttpsEnabledApplication.class);
+        application.setAdditionalProfiles("ssl");
+        application.run(args);
+    }
+}

spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/web/https/WelcomeController.java

@@ -0,0 +1,12 @@
+package com.baeldung.web.https;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class WelcomeController {
+    @GetMapping(value = "/welcome")
+    public String welcome() {
+        return "Welcome To Secured REST Service";
+    }
+}

spring-web-modules/spring-resttemplate-3/src/main/resources/application-ssl-client.properties

@@ -0,0 +1,8 @@
+server.port=8080
+
+server.servlet.context-path=/
+
+#trust store location
+trust.store=classpath:keystore/baeldung.p12
+#trust store password
+trust.store.password=password

spring-web-modules/spring-resttemplate-3/src/main/resources/application-ssl.properties

@@ -0,0 +1,14 @@
+http.port=8080
+
+server.port=8443
+
+server.servlet.context-path=/
+
+# The format used for the keystore
+server.ssl.key-store-type=PKCS12
+# The path to the keystore containing the certificate
+server.ssl.key-store=classpath:keystore/baeldung.p12
+# The password used to generate the certificate
+server.ssl.key-store-password=password
+# The alias mapped to the certificate
+server.ssl.key-alias=baeldung