Checkstyle

Author: spencergibb

spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/ClientAuthenticationFactory.java

@@ -408,7 +408,7 @@ private ClientAuthentication tokenAuthentication(VaultProperties vaultProperties
 		}
 	}
 
-	private static class AwsCredentialProvider {
+	private static final class AwsCredentialProvider {
 
 		private static AwsCredentialsProvider getAwsCredentialsProvider() {
 

spring-cloud-vault-config/src/test/java/org/springframework/cloud/vault/config/VaultBootstrapPropertySourceConfigurationTests.java

@@ -86,7 +86,7 @@ public void shouldConfigureWithoutAuthentication() {
 
 	@EnableConfigurationProperties(VaultProperties.class)
 	@Configuration(proxyBeanMethods = false)
-	private static class MockSecretLeaseContainerConfiguration {
+	private final static class MockSecretLeaseContainerConfiguration {
 
 		@Bean
 		SecretLeaseContainer secretLeaseContainer(VaultProperties properties) {
@@ -101,7 +101,7 @@ SecretLeaseContainer secretLeaseContainer(VaultProperties properties) {
 
 	@EnableConfigurationProperties(VaultProperties.class)
 	@Configuration(proxyBeanMethods = false)
-	private static class MockVaultOperationsConfiguration {
+	private final static class MockVaultOperationsConfiguration {
 
 		@Bean
 		VaultOperations vaultOperations() {

spring-cloud-vault-config/src/test/java/org/springframework/cloud/vault/config/VaultBootstrapperIntegrationTests.java

@@ -37,7 +37,7 @@
  *
  * @author Mark Paluch
  */
-public class VaultBootstrapperIntegrationTests extends IntegrationTestSupport {
+public final class VaultBootstrapperIntegrationTests extends IntegrationTestSupport {
 
 	private ConfigurableApplicationContext context;
 
@@ -78,7 +78,7 @@ public void after() {
 
 	@SpringBootConfiguration(proxyBeanMethods = false)
 	@EnableAutoConfiguration
-	private static class Config {
+	private static final class Config {
 
 	}
 

spring-cloud-vault-config/src/test/java/org/springframework/cloud/vault/config/VaultConfigDataLoaderIntegrationTests.java

@@ -114,7 +114,7 @@ public void shouldConsiderDisabledVault() {
 
 	@SpringBootConfiguration(proxyBeanMethods = false)
 	@EnableAutoConfiguration
-	private static class Config {
+	private static final class Config {
 
 	}
 

spring-cloud-vault-config/src/test/java/org/springframework/cloud/vault/util/VaultRule.java

@@ -106,7 +106,7 @@ public PrepareVault prepare() {
 		return this.prepareVault;
 	}
 
-	private class PreparingSessionManager implements SessionManager {
+	private final class PreparingSessionManager implements SessionManager {
 
 		@Override
 		public VaultToken getSessionToken() {