Standardize on spring.datasource.* for database config

[Fixes #58921238] [bs-333] spring.database.* and
spring.datasource.* used to configure database

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/AbstractDataSourceConfiguration.java

@@ -27,7 +27,7 @@ import org.springframework.util.StringUtils;
  * 
  * @author Dave Syer
  */
-@ConfigurationProperties(name = "spring.datasource")
+@ConfigurationProperties(name = DataSourceAutoConfiguration.CONFIGURATION_PREFIX)
 @EnableConfigurationProperties
 public abstract class AbstractDataSourceConfiguration implements BeanClassLoaderAware {
 

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfiguration.java

@@ -69,6 +69,8 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 
 	private static Log logger = LogFactory.getLog(DataSourceAutoConfiguration.class);
 
+	public static final String CONFIGURATION_PREFIX = "spring.datasource";
+
 	@Autowired(required = false)
 	private DataSource dataSource;
 
@@ -79,7 +81,8 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 
 	@Override
 	public void setEnvironment(Environment environment) {
-		this.environment = new RelaxedPropertyResolver(environment, "spring.database.");
+		this.environment = new RelaxedPropertyResolver(environment, CONFIGURATION_PREFIX
+				+ ".");
 	}
 
 	@PostConstruct
@@ -218,7 +221,7 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 
 		private String getDriverClassName(Environment environment, ClassLoader classLoader) {
 			String driverClassName = environment == null ? null : environment
-					.getProperty("spring.database.driverClassName");
+					.getProperty(CONFIGURATION_PREFIX + ".driverClassName");
 			if (driverClassName == null) {
 				driverClassName = EmbeddedDatabaseConnection.get(classLoader)
 						.getDriverClassName();
@@ -228,7 +231,7 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 
 		private String getUrl(Environment environment, ClassLoader classLoader) {
 			String url = (environment == null ? null : environment
-					.getProperty("spring.database.url"));
+					.getProperty(CONFIGURATION_PREFIX + ".url"));
 			if (url == null) {
 				url = EmbeddedDatabaseConnection.get(classLoader).getUrl();
 			}

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfigurationTests.java

@@ -101,7 +101,7 @@ public class DataSourceAutoConfigurationTests {
 		this.context.register(DataSourceAutoConfiguration.class,
 				PropertyPlaceholderAutoConfiguration.class);
 		Map<String, Object> map = new HashMap<String, Object>();
-		map.put("spring.database.schema",
+		map.put(DataSourceAutoConfiguration.CONFIGURATION_PREFIX + ".schema",
 				ClassUtils.addResourcePathToPackagePath(getClass(), "schema.sql"));
 		this.context.getEnvironment().getPropertySources()
 				.addFirst(new MapPropertySource("test", map));
@@ -119,7 +119,7 @@ public class DataSourceAutoConfigurationTests {
 		this.context.register(DataSourceAutoConfiguration.class,
 				PropertyPlaceholderAutoConfiguration.class);
 		Map<String, Object> map = new HashMap<String, Object>();
-		map.put("spring.database.schema",
+		map.put(DataSourceAutoConfiguration.CONFIGURATION_PREFIX + ".schema",
 				ClassUtils.addResourcePathToPackagePath(getClass(), "schema.sql")
 						+ ","
 						+ ClassUtils.addResourcePathToPackagePath(getClass(),