Continue to support spring.jpa.hibernate.namingstrategy

In 1.0, the property spring.jpa.hibernate.namingstrategy could be
used to configure Hibernate's naming strategy. This was at odds with
most other configuration where binding to namingStrategy would require
a property with some indication that it was two separate words, for
example: naming-strategy, naming_strategy, or namingStrategy

This commit adds a new setter, setNamingstrategy, to JpaProperties so
that an app that was using namingstrategy in 1.0 continues to work
in 1.1.

Issue #928

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/JpaProperties.java

@@ -30,6 +30,7 @@ import org.springframework.orm.jpa.vendor.Database;
  * External configuration properties for a JPA EntityManagerFactory created by Spring.
  *
  * @author Dave Syer
+ * @author Andy Wilkinson
  * @since 1.1.0
  */
 @ConfigurationProperties(prefix = "spring.jpa")
@@ -136,6 +137,10 @@ public class JpaProperties {
 			this.namingStrategy = namingStrategy;
 		}
 
+		public void setNamingstrategy(Class<?> namingStrategy) {
+			this.setNamingStrategy(namingStrategy);
+		}
+
 		public String getDdlAuto() {
 			return this.ddlAuto;
 		}

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfigurationTests.java

@@ -29,6 +29,7 @@ import static org.junit.Assert.assertThat;
  *
  * @author Dave Syer
  * @author Phillip Webb
+ * @author Andy Wilkinson
  */
 public class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTests {
 
@@ -51,6 +52,21 @@ public class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigura
 		assertThat(actual, equalTo("org.hibernate.cfg.EJB3NamingStrategy"));
 	}
 
+	@Test
+	public void testNamingStrategyThatWorkedInOneDotOhContinuesToWork() {
+		EnvironmentTestUtils.addEnvironment(this.context,
+				"spring.jpa.hibernate.namingstrategy:"
+						+ "org.hibernate.cfg.EJB3NamingStrategy");
+		setupTestConfiguration();
+
+		this.context.refresh();
+		LocalContainerEntityManagerFactoryBean bean = this.context
+				.getBean(LocalContainerEntityManagerFactoryBean.class);
+		String actual = (String) bean.getJpaPropertyMap().get(
+				"hibernate.ejb.naming_strategy");
+		assertThat(actual, equalTo("org.hibernate.cfg.EJB3NamingStrategy"));
+	}
+
 	@Test
 	public void testCustomNamingStrategyViaJpaProperties() throws Exception {
 		EnvironmentTestUtils.addEnvironment(this.context,