org.hibernate.validator.internal.xml.mapping.AbstractConstrainedElementStaxBuilder Maven / Gradle / Ivy
/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or .
*/
package org.hibernate.validator.internal.xml.mapping;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.XMLEvent;
import org.hibernate.validator.internal.engine.ConstraintCreationContext;
import org.hibernate.validator.internal.metadata.aggregated.CascadingMetaDataBuilder;
import org.hibernate.validator.internal.metadata.core.AnnotationProcessingOptionsImpl;
import org.hibernate.validator.internal.metadata.location.ConstraintLocation;
import org.hibernate.validator.internal.xml.AbstractStaxBuilder;
import org.hibernate.validator.internal.xml.mapping.ContainerElementTypeConfigurationBuilder.ContainerElementTypeConfiguration;
/**
* Base builder for all constrained element builders that can have constraints or type argument constraints.
*
* @author Marko Bekhta
*/
abstract class AbstractConstrainedElementStaxBuilder extends AbstractStaxBuilder {
private static final QName IGNORE_ANNOTATIONS_QNAME = new QName( "ignore-annotations" );
protected final ClassLoadingHelper classLoadingHelper;
protected final ConstraintCreationContext constraintCreationContext;
protected final DefaultPackageStaxBuilder defaultPackageStaxBuilder;
protected final AnnotationProcessingOptionsImpl annotationProcessingOptions;
protected String mainAttributeValue;
protected Optional ignoreAnnotations;
protected final GroupConversionStaxBuilder groupConversionBuilder;
protected final ValidStaxBuilder validStaxBuilder;
protected final List constraintTypeStaxBuilders;
protected final ContainerElementTypeConfigurationBuilder containerElementTypeConfigurationBuilder;
AbstractConstrainedElementStaxBuilder(ClassLoadingHelper classLoadingHelper, ConstraintCreationContext constraintCreationContext,
DefaultPackageStaxBuilder defaultPackageStaxBuilder, AnnotationProcessingOptionsImpl annotationProcessingOptions) {
this.classLoadingHelper = classLoadingHelper;
this.defaultPackageStaxBuilder = defaultPackageStaxBuilder;
this.constraintCreationContext = constraintCreationContext;
this.groupConversionBuilder = new GroupConversionStaxBuilder( classLoadingHelper, defaultPackageStaxBuilder );
this.validStaxBuilder = new ValidStaxBuilder();
this.containerElementTypeConfigurationBuilder = new ContainerElementTypeConfigurationBuilder();
this.annotationProcessingOptions = annotationProcessingOptions;
this.constraintTypeStaxBuilders = new ArrayList<>();
}
abstract Optional getMainAttributeValueQname();
@Override
protected void add(XMLEventReader xmlEventReader, XMLEvent xmlEvent) throws XMLStreamException {
Optional mainAttributeValueQname = getMainAttributeValueQname();
if ( mainAttributeValueQname.isPresent() ) {
mainAttributeValue = readAttribute( xmlEvent.asStartElement(), mainAttributeValueQname.get() ).get();
}
ignoreAnnotations = readAttribute( xmlEvent.asStartElement(), IGNORE_ANNOTATIONS_QNAME ).map( Boolean::parseBoolean );
ConstraintTypeStaxBuilder constraintTypeStaxBuilder = getNewConstraintTypeStaxBuilder();
ContainerElementTypeStaxBuilder containerElementTypeStaxBuilder = getNewContainerElementTypeStaxBuilder();
while ( !( xmlEvent.isEndElement() && xmlEvent.asEndElement().getName().getLocalPart().equals( getAcceptableQName() ) ) ) {
xmlEvent = xmlEventReader.nextEvent();
validStaxBuilder.process( xmlEventReader, xmlEvent );
groupConversionBuilder.process( xmlEventReader, xmlEvent );
if ( constraintTypeStaxBuilder.process( xmlEventReader, xmlEvent ) ) {
constraintTypeStaxBuilders.add( constraintTypeStaxBuilder );
constraintTypeStaxBuilder = getNewConstraintTypeStaxBuilder();
}
if ( containerElementTypeStaxBuilder.process( xmlEventReader, xmlEvent ) ) {
containerElementTypeConfigurationBuilder.add( containerElementTypeStaxBuilder );
containerElementTypeStaxBuilder = getNewContainerElementTypeStaxBuilder();
}
}
}
private ConstraintTypeStaxBuilder getNewConstraintTypeStaxBuilder() {
return new ConstraintTypeStaxBuilder( classLoadingHelper, constraintCreationContext,
defaultPackageStaxBuilder );
}
private ContainerElementTypeStaxBuilder getNewContainerElementTypeStaxBuilder() {
return new ContainerElementTypeStaxBuilder( classLoadingHelper, constraintCreationContext,
defaultPackageStaxBuilder );
}
protected ContainerElementTypeConfiguration getContainerElementTypeConfiguration(Type type, ConstraintLocation constraintLocation) {
return containerElementTypeConfigurationBuilder.build( constraintLocation, type );
}
protected CascadingMetaDataBuilder getCascadingMetaData(Map, CascadingMetaDataBuilder> containerElementTypesCascadingMetaData, Type type) {
return CascadingMetaDataBuilder.annotatedObject( type, validStaxBuilder.build(), containerElementTypesCascadingMetaData, groupConversionBuilder.build() );
}
}