/*
* 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.ap.checks;
import java.util.Collections;
import java.util.Set;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.TypeElement;
import org.hibernate.validator.ap.util.AnnotationApiHelper;
import org.hibernate.validator.ap.util.CollectionHelper;
import org.hibernate.validator.ap.util.ConstraintHelper;
import org.hibernate.validator.ap.util.TypeNames.BeanValidationTypes;
/**
* Checks, that for each constraint annotation type, which is not a composed constraint,
* a validator implementation is specified using the {@link javax.validation.Constraint} annotation.
*
* @author Gunnar Morling
*/
public class ConstraintValidatorCheck extends AbstractConstraintCheck {
private ConstraintHelper constraintHelper;
private final AnnotationApiHelper annotationApiHelper;
public ConstraintValidatorCheck(ConstraintHelper constraintHelper, AnnotationApiHelper annotationApiHelper) {
this.constraintHelper = constraintHelper;
this.annotationApiHelper = annotationApiHelper;
}
@Override
public Set<ConstraintCheckError> checkAnnotationType(TypeElement element, AnnotationMirror annotation) {
AnnotationMirror constraintMirror = annotationApiHelper.getMirror(
element.getAnnotationMirrors(), BeanValidationTypes.CONSTRAINT
);
boolean atLeastOneValidatorGiven = !annotationApiHelper.getAnnotationArrayValue(
constraintMirror, "validatedBy"
).isEmpty();
if ( !( atLeastOneValidatorGiven || constraintHelper.isComposedConstraint( element ) ) ) {
return CollectionHelper.asSet(
new ConstraintCheckError(
element,
constraintMirror,
"CONSTRAINT_TYPE_WITHOUT_VALIDATOR"
)
);
}
return Collections.emptySet();
}
}