javax.xml.bind.helpers.DefaultValidationEventHandler#org.eclipse.persistence.logging.AbstractSessionLog源码实例Demo

public void toXML( final Object obj, final OutputStream out, final Marshaller.Listener listener ) {
	Marshaller marshaller = null;
	try {
		final JAXBContext jc = createJAXBContext( additionalClazzes );
		marshaller = jc.createMarshaller();
		marshaller.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, true );
		marshaller.setProperty( MarshallerProperties.NAMESPACE_PREFIX_MAPPER,
				new MapNamespacePrefixMapper( NAMESPACE_MAPPINGS ) );
		marshaller.setProperty( MarshallerProperties.INDENT_STRING, "\t" );
		marshaller.setEventHandler( new DefaultValidationEventHandler() );
		marshaller.setListener( listener );
		final SessionLogDelegate sessionLog = new SessionLogDelegate( AbstractSessionLog.getLog() );
		AbstractSessionLog.setLog( sessionLog );

		if ( config.isOnlyFragment() ) {
			log.info( "Create only fragment for '{}'.", obj );
			marshaller.setProperty( Marshaller.JAXB_FRAGMENT, true );
		}

		if ( config.isLightweightXml() ) {
			log.info( "Use lightweight XML for '{}'.", obj );
			lightweightMarshallerSet.add( marshaller );
			XmlUtil.addLightWeightAdapter( marshaller );
		}

		marshaller.marshal( obj, out );

		if ( sessionLog.containsMessages() ) {
			throw new RuntimeException( "Error persisting XML: " + sessionLog.getLog() );
		}
	} catch ( final JAXBException e ) {
		throw new RuntimeException( e );
	} finally {
		if ( config.isLightweightXml() && marshaller != null ) {
			lightweightMarshallerSet.remove( marshaller );
		}
	}
}
 

protected FieldDefinition getFieldDefFromDBField(Supplier<JPAMFieldDefinition> fieldDefSupplier, DatabaseField dbField) {
    FieldDefinition fieldDef = this.fieldMap.get(dbField);
    if (fieldDef == null) {
        fieldDef = fieldDefSupplier.get();
        fieldDef.setName(dbField.getNameDelimited(databasePlatform));

        //added for extending tables where the field needs to be looked up
        fieldDef.setDatabaseField(dbField);

        if (dbField.getColumnDefinition() != null && dbField.getColumnDefinition().length() > 0) {
            // This column definition would include the complete definition of the
            // column like type, size,  "NULL/NOT NULL" clause, unique key clause
            fieldDef.setTypeDefinition(dbField.getColumnDefinition());
        } else {
            Class fieldType = dbField.getType();
            FieldTypeDefinition fieldTypeDef = (fieldType == null) ? null : databasePlatform.getFieldTypeDefinition(fieldType);

            // Check if the user field is a String and only then allow the length specified
            // in the @Column annotation to be set on the field.
            if (fieldType != null) {
                // If a length has been specified, set it, otherwise let the
                // field def from individual platforms handle it.
                if (dbField.getLength() > 0) {
                    fieldDef.setSize(dbField.getLength());
                } else if (dbField.getPrecision() > 0) {
                    fieldDef.setSize(dbField.getPrecision());
                    fieldDef.setSubSize(dbField.getScale());
                }
            }

            if ((fieldType == null) || (!fieldType.isPrimitive() && (fieldTypeDef == null))) {
                //TODO: log a warning for inaccessible type or not convertable type.
                AbstractSessionLog.getLog().log(SessionLog.CONFIG, SessionLog.METADATA, "field_type_set_to_java_lang_string", dbField.getQualifiedName(), fieldType);

                //set the default type (lang.String) to all un-resolved java type, like null, Number, util.Date, NChar/NType, Calendar
                //sql.Blob/Clob, Object, or unknown type). Please refer to bug 4352820.
                fieldDef.setType(ClassConstants.STRING);
            } else {
                //need to convert the primitive type if applied.
                fieldDef.setType(ConversionManager.getObjectClass(fieldType));
            }

            fieldDef.setShouldAllowNull(dbField.isNullable());
            fieldDef.setUnique(dbField.isUnique());
        }
        this.fieldMap.put(dbField, fieldDef);
        this.databaseFields.put(dbField, dbField);
    }

    return fieldDef;
}
 

private int getLogLevel()
{
    return AbstractSessionLog.translateStringToLoggingLevel(logLevel);
}