org.hibernate.validator.internal.xml.mapping.ConstrainedMethodStaxBuilder 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.invoke.MethodHandles;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import javax.xml.namespace.QName;
import org.hibernate.validator.internal.engine.valueextraction.ValueExtractorManager;
import org.hibernate.validator.internal.metadata.aggregated.CascadingMetaDataBuilder;
import org.hibernate.validator.internal.metadata.core.AnnotationProcessingOptionsImpl;
import org.hibernate.validator.internal.metadata.core.ConstraintHelper;
import org.hibernate.validator.internal.metadata.core.MetaConstraint;
import org.hibernate.validator.internal.metadata.raw.ConfigurationSource;
import org.hibernate.validator.internal.metadata.raw.ConstrainedExecutable;
import org.hibernate.validator.internal.metadata.raw.ConstrainedParameter;
import org.hibernate.validator.internal.util.CollectionHelper;
import org.hibernate.validator.internal.util.TypeResolutionHelper;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
import org.hibernate.validator.internal.util.privilegedactions.GetDeclaredMethod;
/**
* Builder for constrained methods.
*
* @author Hardy Ferentschik
* @author Guillaume Smet
* @author Marko Bekhta
*/
class ConstrainedMethodStaxBuilder extends AbstractConstrainedExecutableElementStaxBuilder {
private static final Log LOG = LoggerFactory.make( MethodHandles.lookup() );
private static final String METHOD_QNAME_LOCAL_PART = "method";
private static final QName NAME_QNAME = new QName( "name" );
ConstrainedMethodStaxBuilder(
ClassLoadingHelper classLoadingHelper, ConstraintHelper constraintHelper, TypeResolutionHelper typeResolutionHelper,
ValueExtractorManager valueExtractorManager, DefaultPackageStaxBuilder defaultPackageStaxBuilder,
AnnotationProcessingOptionsImpl annotationProcessingOptions) {
super( classLoadingHelper, constraintHelper, typeResolutionHelper, valueExtractorManager, defaultPackageStaxBuilder, annotationProcessingOptions );
}
@Override
Optional getMainAttributeValueQname() {
return Optional.of( NAME_QNAME );
}
@Override
protected String getAcceptableQName() {
return METHOD_QNAME_LOCAL_PART;
}
public String getMethodName() {
return mainAttributeValue;
}
ConstrainedExecutable build(Class beanClass, List alreadyProcessedMethods) {
Class[] parameterTypes = constrainedParameterStaxBuilders.stream()
.map( builder -> builder.getParameterType( beanClass ) )
.toArray( Class[]::new );
String methodName = getMethodName();
final Method method = run(
GetDeclaredMethod.action(
beanClass,
methodName,
parameterTypes
)
);
if ( method == null ) {
throw LOG.getBeanDoesNotContainMethodException(
beanClass,
methodName,
parameterTypes
);
}
if ( alreadyProcessedMethods.contains( method ) ) {
throw LOG.getMethodIsDefinedTwiceInMappingXmlForBeanException( method, beanClass );
}
else {
alreadyProcessedMethods.add( method );
}
// ignore annotations
if ( ignoreAnnotations.isPresent() ) {
annotationProcessingOptions.ignoreConstraintAnnotationsOnMember(
method,
ignoreAnnotations.get()
);
}
List constrainedParameters = CollectionHelper.newArrayList( constrainedParameterStaxBuilders.size() );
for ( int index = 0; index < constrainedParameterStaxBuilders.size(); index++ ) {
ConstrainedParameterStaxBuilder builder = constrainedParameterStaxBuilders.get( index );
constrainedParameters.add( builder.build( method, index ) );
}
Set> crossParameterConstraints = getCrossParameterStaxBuilder()
.map( builder -> builder.build( method ) ).orElse( Collections.emptySet() );
// parse the return value
Set> returnValueConstraints = new HashSet<>();
Set> returnValueTypeArgumentConstraints = new HashSet<>();
CascadingMetaDataBuilder cascadingMetaDataBuilder = getReturnValueStaxBuilder().map( builder -> builder.build( method, returnValueConstraints, returnValueTypeArgumentConstraints ) )
.orElse( CascadingMetaDataBuilder.nonCascading() );
return new ConstrainedExecutable(
ConfigurationSource.XML,
method,
constrainedParameters,
crossParameterConstraints,
returnValueConstraints,
returnValueTypeArgumentConstraints,
cascadingMetaDataBuilder
);
}
/**
* Runs the given privileged action, using a privileged block if required.
*
* NOTE: This must never be changed into a publicly available method to avoid execution of arbitrary
* privileged actions within HV's protection domain.
*/
private static T run(PrivilegedAction action) {
return System.getSecurityManager() != null ? AccessController.doPrivileged( action ) : action.run();
}
}