Issue spring-projects#46632: Deprecate TestRestTemplate

Author: Vincent Potucek

module/spring-boot-web-server-test/src/main/java/org/springframework/boot/web/server/test/client/TestRestTemplate.java

@@ -52,6 +52,7 @@
 import org.springframework.http.RequestEntity;
 import org.springframework.http.RequestEntity.UriTemplateRequestEntity;
 import org.springframework.http.ResponseEntity;
+import org.springframework.test.web.servlet.client.RestTestClient;
 import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
 import org.springframework.web.client.NoOpResponseErrorHandler;
@@ -81,6 +82,8 @@
  * your test. If you need customizations (for example to adding additional message
  * converters) use a {@link RestTemplateBuilder} {@code @Bean}.
  *
+ * @deprecated {@link RestTestClient} is considered successor.
+ *
  * @author Dave Syer
  * @author Phillip Webb
  * @author Andy Wilkinson
@@ -1017,11 +1020,11 @@ private URI resolveUri(RequestEntity<?> entity) {
 		if (entity instanceof UriTemplateRequestEntity<?> templatedUriEntity) {
 			if (templatedUriEntity.getVars() != null) {
 				return this.restTemplate.getUriTemplateHandler()
-					.expand(templatedUriEntity.getUriTemplate(), templatedUriEntity.getVars());
+						.expand(templatedUriEntity.getUriTemplate(), templatedUriEntity.getVars());
 			}
 			else if (templatedUriEntity.getVarsMap() != null) {
 				return this.restTemplate.getUriTemplateHandler()
-					.expand(templatedUriEntity.getUriTemplate(), templatedUriEntity.getVarsMap());
+						.expand(templatedUriEntity.getUriTemplate(), templatedUriEntity.getVarsMap());
 			}
 			throw new IllegalStateException(
 					"No variables specified for URI template: " + templatedUriEntity.getUriTemplate());
@@ -1065,7 +1068,8 @@ public TlsSocketStrategy getTlsSocketStrategy(@Nullable SslBundle sslBundle) {
 				SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, trustStrategy).build();
 				return new DefaultClientTlsStrategy(sslContext, SUPPORTED_PROTOCOLS, null, null, null);
 			}
-			catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException ex) {
+			catch (KeyManagementException | NoSuchAlgorithmException |
+				   KeyStoreException ex) {
 				throw new IllegalStateException(ex);
 			}
 		}