/*
* 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.engine.valueextraction;
import java.lang.invoke.MethodHandles;
import java.util.Set;
import java.util.stream.Collectors;
import javax.validation.ValidationException;
import javax.validation.valueextraction.ValueExtractor;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
Various utilities to manipulate ValueExtractor
s and ValueExtractorDescriptor
s. Author: Guillaume Smet
/**
* Various utilities to manipulate {@link ValueExtractor}s and {@link ValueExtractorDescriptor}s.
*
* @author Guillaume Smet
*/
public class ValueExtractorHelper {
private static final Log LOG = LoggerFactory.make( MethodHandles.lookup() );
private ValueExtractorHelper() {
}
@SuppressWarnings("rawtypes")
public static Set<Class<? extends ValueExtractor>> toValueExtractorClasses(Set<ValueExtractorDescriptor> valueExtractorDescriptors) {
return valueExtractorDescriptors.stream()
.map( valueExtractorDescriptor -> valueExtractorDescriptor.getValueExtractor().getClass() )
.collect( Collectors.toSet() );
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public static void extractValues(ValueExtractorDescriptor valueExtractorDescriptor, Object containerValue, ValueExtractor.ValueReceiver valueReceiver) {
ValueExtractor valueExtractor = valueExtractorDescriptor.getValueExtractor();
try {
valueExtractor.extractValues( containerValue, valueReceiver );
}
catch (ValidationException e) {
throw e;
}
catch (Exception e) {
throw LOG.getErrorWhileExtractingValuesInValueExtractorException( valueExtractor.getClass(), e );
}
}
}