/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
*/
package org.hibernate.validator.internal.cfg.context;
import static org.hibernate.validator.internal.util.CollectionHelper.newHashSet;
import static org.hibernate.validator.internal.util.logging.Messages.MESSAGES;
import java.lang.annotation.Annotation;
import java.util.Set;
import javax.validation.Constraint;
import javax.validation.valueextraction.ValueExtractor;
import org.hibernate.validator.cfg.ConstraintMapping;
import org.hibernate.validator.cfg.context.ConstraintDefinitionContext;
import org.hibernate.validator.cfg.context.TypeConstraintMappingContext;
import org.hibernate.validator.internal.engine.cascading.ValueExtractorManager;
import org.hibernate.validator.internal.engine.constraintdefinition.ConstraintDefinitionContribution;
import org.hibernate.validator.internal.metadata.core.AnnotationProcessingOptionsImpl;
import org.hibernate.validator.internal.metadata.core.ConstraintHelper;
import org.hibernate.validator.internal.metadata.raw.BeanConfiguration;
import org.hibernate.validator.internal.util.Contracts;
import org.hibernate.validator.internal.util.TypeResolutionHelper;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
/**
* Default implementation of {@link ConstraintMapping}.
*
* @author Hardy Ferentschik
* @author Gunnar Morling
* @author Kevin Pollet <kevin.pollet@serli.com> (C) 2011 SERLI
*/
public class DefaultConstraintMapping implements ConstraintMapping {
private static final Log log = LoggerFactory.make();
private final AnnotationProcessingOptionsImpl annotationProcessingOptions;
private final Set<Class<?>> configuredTypes;
private final Set<TypeConstraintMappingContextImpl<?>> typeContexts;
private final Set<Class<?>> definedConstraints;
private final Set<ConstraintDefinitionContextImpl<?>> constraintContexts;
public DefaultConstraintMapping() {
this.annotationProcessingOptions = new AnnotationProcessingOptionsImpl();
this.configuredTypes = newHashSet();
this.typeContexts = newHashSet();
this.definedConstraints = newHashSet();
this.constraintContexts = newHashSet();
}
@Override
public final <C> TypeConstraintMappingContext<C> type(Class<C> type) {
Contracts.assertNotNull( type, MESSAGES.beanTypeMustNotBeNull() );
if ( configuredTypes.contains( type ) ) {
throw log.getBeanClassHasAlreadyBeConfiguredViaProgrammaticApiException( type );
}
TypeConstraintMappingContextImpl<C> typeContext = new TypeConstraintMappingContextImpl<>( this, type );
typeContexts.add( typeContext );
configuredTypes.add( type );
return typeContext;
}
public final AnnotationProcessingOptionsImpl getAnnotationProcessingOptions() {
return annotationProcessingOptions;
}
public Set<Class<?>> getConfiguredTypes() {
return configuredTypes;
}
/**
* Returns all bean configurations configured through this constraint mapping.
*
* @param constraintHelper constraint helper required for building constraint descriptors
* @param typeResolutionHelper type resolution helper
* @param valueExtractorManager the {@link ValueExtractor} manager
*
* @return a set of {@link BeanConfiguration}s with an element for each type configured through this mapping
*/
public Set<BeanConfiguration<?>> getBeanConfigurations(ConstraintHelper constraintHelper, TypeResolutionHelper typeResolutionHelper,
ValueExtractorManager valueExtractorManager) {
Set<BeanConfiguration<?>> configurations = newHashSet();
for ( TypeConstraintMappingContextImpl<?> typeContext : typeContexts ) {
configurations.add( typeContext.build( constraintHelper, typeResolutionHelper, valueExtractorManager ) );
}
return configurations;
}
@Override
public <A extends Annotation> ConstraintDefinitionContext<A> constraintDefinition(Class<A> annotationClass) {
Contracts.assertNotNull( annotationClass, MESSAGES.annotationTypeMustNotBeNull() );
Contracts.assertTrue( annotationClass.isAnnotationPresent( Constraint.class ),
MESSAGES.annotationTypeMustBeAnnotatedWithConstraint() );
if ( definedConstraints.contains( annotationClass ) ) {
// Fail fast for easy-to-detect definition conflicts; other conflicts are handled in ValidatorFactoryImpl
throw log.getConstraintHasAlreadyBeenConfiguredViaProgrammaticApiException( annotationClass );
}
ConstraintDefinitionContextImpl<A> constraintContext = new ConstraintDefinitionContextImpl<>( this, annotationClass );
constraintContexts.add( constraintContext );
definedConstraints.add( annotationClass );
return constraintContext;
}
public Set<ConstraintDefinitionContribution<?>> getConstraintDefinitionContributions() {
Set<ConstraintDefinitionContribution<?>> contributions = newHashSet();
for ( ConstraintDefinitionContextImpl<?> constraintContext : constraintContexts ) {
contributions.add( constraintContext.build() );
}
return contributions;
}
}