HHH-16160 Fix some XML related issues that came up

Author: beikov

.idea/codeStyles/Project.xml

@@ -659,8 +659,6 @@ disable_userland_proxy() {
       sudo service docker stop
       echo "Updating /etc/docker/daemon.json..."
       sudo bash -c "export docker_daemon_json='$docker_daemon_json'; echo \"\${docker_daemon_json/\}/,}\\\"userland-proxy\\\": false}\" > /etc/docker/daemon.json"
-      echo "New docker daemon config:"
-      cat /etc/docker/daemon.json
       echo "Starting docker..."
       sudo service docker start
       echo "Service status:"

docker_db.sh

@@ -93,6 +93,7 @@
 
 import static org.hibernate.cfg.AvailableSettings.JPA_COMPLIANCE;
 import static org.hibernate.cfg.AvailableSettings.WRAPPER_ARRAY_HANDLING;
+import static org.hibernate.cfg.MappingSettings.XML_FORMAT_MAPPER_LEGACY_FORMAT;
 import static org.hibernate.engine.config.spi.StandardConverters.BOOLEAN;
 import static org.hibernate.internal.util.StringHelper.nullIfEmpty;
 
@@ -652,6 +653,7 @@ public static class MetadataBuildingOptionsImpl
 		private final String schemaCharset;
 		private final boolean xmlMappingEnabled;
 		private final boolean allowExtensionsInCdi;
+		private final boolean xmlFormatMapperLegacyFormat;
 
 		public MetadataBuildingOptionsImpl(StandardServiceRegistry serviceRegistry) {
 			this.serviceRegistry = serviceRegistry;
@@ -670,6 +672,7 @@ public MetadataBuildingOptionsImpl(StandardServiceRegistry serviceRegistry) {
 					BOOLEAN,
 					true
 			);
+			xmlFormatMapperLegacyFormat = configService.getSetting( XML_FORMAT_MAPPER_LEGACY_FORMAT, BOOLEAN, false );
 
 			implicitDiscriminatorsForJoinedInheritanceSupported = configService.getSetting(
 					AvailableSettings.IMPLICIT_DISCRIMINATOR_COLUMNS_FOR_JOINED_SUBCLASS,
@@ -954,6 +957,11 @@ public boolean isAllowExtensionsInCdi() {
 			return allowExtensionsInCdi;
 		}
 
+		@Override
+		public boolean isXmlFormatMapperLegacyFormatEnabled() {
+			return xmlFormatMapperLegacyFormat;
+		}
+
 		/**
 		 * Yuck.  This is needed because JPA lets users define "global building options"
 		 * in {@code orm.xml} mappings.  Forget that there are generally multiple

hibernate-core/src/main/java/org/hibernate/boot/internal/MetadataBuilderImpl.java

@@ -166,6 +166,7 @@ public class SessionFactoryOptionsBuilder implements SessionFactoryOptions {
 	private Object validatorFactoryReference;
 	private FormatMapper jsonFormatMapper;
 	private FormatMapper xmlFormatMapper;
+	private final boolean xmlFormatMapperLegacyFormatEnabled;
 
 	// SessionFactory behavior
 	private final boolean jpaBootstrap;
@@ -323,7 +324,8 @@ public SessionFactoryOptionsBuilder(StandardServiceRegistry serviceRegistry, Boo
 		);
 		this.xmlFormatMapper = determineXmlFormatMapper(
 				configurationSettings.get( AvailableSettings.XML_FORMAT_MAPPER ),
-				strategySelector
+				strategySelector,
+				this.xmlFormatMapperLegacyFormatEnabled = context.getMetadataBuildingOptions().isXmlFormatMapperLegacyFormatEnabled()
 		);
 
 		this.sessionFactoryName = (String) configurationSettings.get( SESSION_FACTORY_NAME );
@@ -866,13 +868,13 @@ private static FormatMapper determineJsonFormatMapper(Object setting, StrategySe
 		);
 	}
 
-	private static FormatMapper determineXmlFormatMapper(Object setting, StrategySelector strategySelector) {
+	private static FormatMapper determineXmlFormatMapper(Object setting, StrategySelector strategySelector, boolean legacyFormat) {
 		return strategySelector.resolveDefaultableStrategy(
 				FormatMapper.class,
 				setting,
 				(Callable<FormatMapper>) () -> {
-					final FormatMapper jacksonFormatMapper = getXMLJacksonFormatMapperOrNull();
-					return jacksonFormatMapper != null ? jacksonFormatMapper : new JaxbXmlFormatMapper();
+					final FormatMapper jacksonFormatMapper = getXMLJacksonFormatMapperOrNull( legacyFormat );
+					return jacksonFormatMapper != null ? jacksonFormatMapper : new JaxbXmlFormatMapper( legacyFormat );
 				}
 		);
 	}
@@ -1332,6 +1334,11 @@ public FormatMapper getXmlFormatMapper() {
 		return xmlFormatMapper;
 	}
 
+	@Override
+	public boolean isXmlFormatMapperLegacyFormatEnabled() {
+		return xmlFormatMapperLegacyFormatEnabled;
+	}
+
 	@Override
 	public boolean isPassProcedureParameterNames() {
 		return passProcedureParameterNames;

hibernate-core/src/main/java/org/hibernate/boot/internal/SessionFactoryOptionsBuilder.java

@@ -182,4 +182,9 @@ public boolean isXmlMappingEnabled() {
 	public boolean isAllowExtensionsInCdi() {
 		return delegate.isAllowExtensionsInCdi();
 	}
+
+	@Override
+	public boolean isXmlFormatMapperLegacyFormatEnabled() {
+		return delegate.isXmlFormatMapperLegacyFormatEnabled();
+	}
 }

hibernate-core/src/main/java/org/hibernate/boot/spi/AbstractDelegatingMetadataBuildingOptions.java

@@ -523,6 +523,11 @@ public FormatMapper getXmlFormatMapper() {
 		return delegate.getXmlFormatMapper();
 	}
 
+	@Override
+	public boolean isXmlFormatMapperLegacyFormatEnabled() {
+		return delegate.isXmlFormatMapperLegacyFormatEnabled();
+	}
+
 	@Override
 	public boolean isPassProcedureParameterNames() {
 		return delegate.isPassProcedureParameterNames();

hibernate-core/src/main/java/org/hibernate/boot/spi/AbstractDelegatingSessionFactoryOptions.java

@@ -6,6 +6,7 @@
 
 import java.util.List;
 
+import org.hibernate.Incubating;
 import org.hibernate.TimeZoneStorageStrategy;
 import org.hibernate.boot.model.naming.ImplicitNamingStrategy;
 import org.hibernate.boot.model.naming.PhysicalNamingStrategy;
@@ -144,6 +145,15 @@ default CollectionSemanticsResolver getPersistentCollectionRepresentationResolve
 	 */
 	boolean isMultiTenancyEnabled();
 
+	/**
+	 * Whether to use the legacy format for serializing/deserializing XML data.
+	 *
+	 * @since 7.0
+	 * @see org.hibernate.cfg.MappingSettings#XML_FORMAT_MAPPER_LEGACY_FORMAT
+	 */
+	@Incubating
+	boolean isXmlFormatMapperLegacyFormatEnabled();
+
 	/**
 	 * @return the {@link TypeConfiguration} belonging to the {@link BootstrapContext}
 	 */

hibernate-core/src/main/java/org/hibernate/boot/spi/MetadataBuildingOptions.java

@@ -571,6 +571,15 @@ default boolean isCollectionsInDefaultFetchGroupEnabled() {
 	@Incubating
 	FormatMapper getXmlFormatMapper();
 
+	/**
+	 * Whether to use the legacy format for serializing/deserializing XML data.
+	 *
+	 * @since 7.0
+	 * @see org.hibernate.cfg.MappingSettings#XML_FORMAT_MAPPER_LEGACY_FORMAT
+	 */
+	@Incubating
+	boolean isXmlFormatMapperLegacyFormatEnabled();
+
 	/**
 	 * The default tenant identifier java type to use, in case no explicit tenant identifier property is defined.
 	 *

hibernate-core/src/main/java/org/hibernate/boot/spi/SessionFactoryOptions.java

@@ -325,6 +325,17 @@ public interface MappingSettings {
 	@Incubating
 	String XML_FORMAT_MAPPER = "hibernate.type.xml_format_mapper";
 
+	/**
+	 * Specifies whether to use the legacy provider specific and non-portable XML format for collections and byte arrays
+	 * for XML serialization/deserialization.
+	 * <p>
+	 * {@code false} by default. This property only exists for backwards compatibility.
+	 *
+	 * @since 7.0
+	 */
+	@Incubating
+	String XML_FORMAT_MAPPER_LEGACY_FORMAT = "hibernate.type.xml_format_mapper.legacy_format";
+
 	/**
 	 * Configurable control over how to handle {@code Byte[]} and {@code Character[]} types
 	 * encountered in the application domain model.  Allowable semantics are defined by