/*
* 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.xml.config;
import java.io.InputStream;
import java.lang.invoke.MethodHandles;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.validation.BootstrapConfiguration;
import javax.validation.ClockProvider;
import javax.validation.ConstraintValidatorFactory;
import javax.validation.MessageInterpolator;
import javax.validation.ParameterNameProvider;
import javax.validation.TraversableResolver;
import javax.validation.ValidationException;
import javax.validation.spi.ValidationProvider;
import javax.validation.valueextraction.ValueExtractor;
import org.hibernate.validator.internal.engine.valueextraction.ValueExtractorDescriptor;
import org.hibernate.validator.internal.engine.valueextraction.ValueExtractorDescriptor.Key;
import org.hibernate.validator.internal.util.CollectionHelper;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
import org.hibernate.validator.internal.util.privilegedactions.LoadClass;
import org.hibernate.validator.internal.util.privilegedactions.NewInstance;
Author: Hardy Ferentschik
/**
* @author Hardy Ferentschik
*/
public class ValidationBootstrapParameters {
private static final Log LOG = LoggerFactory.make( MethodHandles.lookup() );
private ConstraintValidatorFactory constraintValidatorFactory;
private MessageInterpolator messageInterpolator;
private TraversableResolver traversableResolver;
private ParameterNameProvider parameterNameProvider;
private ClockProvider clockProvider;
private ValidationProvider<?> provider;
private Class<? extends ValidationProvider<?>> providerClass = null;
private final Map<String, String> configProperties = new HashMap<>();
private final Set<InputStream> mappings = new HashSet<>();
private final Map<ValueExtractorDescriptor.Key, ValueExtractorDescriptor> valueExtractorDescriptors = new HashMap<>();
public ValidationBootstrapParameters() {
}
public ValidationBootstrapParameters(BootstrapConfiguration bootstrapConfiguration, ClassLoader externalClassLoader) {
setProviderClass( bootstrapConfiguration.getDefaultProviderClassName(), externalClassLoader );
setMessageInterpolator( bootstrapConfiguration.getMessageInterpolatorClassName(), externalClassLoader );
setTraversableResolver( bootstrapConfiguration.getTraversableResolverClassName(), externalClassLoader );
setConstraintValidatorFactory( bootstrapConfiguration.getConstraintValidatorFactoryClassName(), externalClassLoader );
setParameterNameProvider( bootstrapConfiguration.getParameterNameProviderClassName(), externalClassLoader );
setClockProvider( bootstrapConfiguration.getClockProviderClassName(), externalClassLoader );
setValueExtractors( bootstrapConfiguration.getValueExtractorClassNames(), externalClassLoader );
setMappingStreams( bootstrapConfiguration.getConstraintMappingResourcePaths(), externalClassLoader );
setConfigProperties( bootstrapConfiguration.getProperties() );
}
public final ConstraintValidatorFactory getConstraintValidatorFactory() {
return constraintValidatorFactory;
}
public final void setConstraintValidatorFactory(ConstraintValidatorFactory constraintValidatorFactory) {
this.constraintValidatorFactory = constraintValidatorFactory;
}
public final MessageInterpolator getMessageInterpolator() {
return messageInterpolator;
}
public final void setMessageInterpolator(MessageInterpolator messageInterpolator) {
this.messageInterpolator = messageInterpolator;
}
public final ValidationProvider<?> getProvider() {
return provider;
}
public final void setProvider(ValidationProvider<?> provider) {
this.provider = provider;
}
public final Class<? extends ValidationProvider<?>> getProviderClass() {
return providerClass;
}
public final void setProviderClass(Class<? extends ValidationProvider<?>> providerClass) {
this.providerClass = providerClass;
}
public final TraversableResolver getTraversableResolver() {
return traversableResolver;
}
public final void setTraversableResolver(TraversableResolver traversableResolver) {
this.traversableResolver = traversableResolver;
}
public final void addConfigProperty(String key, String value) {
configProperties.put( key, value );
}
public final void addMapping(InputStream in) {
mappings.add( in );
}
public final void addAllMappings(Set<InputStream> mappings) {
this.mappings.addAll( mappings );
}
public final Set<InputStream> getMappings() {
return CollectionHelper.toImmutableSet( mappings );
}
public final Map<String, String> getConfigProperties() {
return CollectionHelper.toImmutableMap( configProperties );
}
public ParameterNameProvider getParameterNameProvider() {
return parameterNameProvider;
}
public void setParameterNameProvider(ParameterNameProvider parameterNameProvider) {
this.parameterNameProvider = parameterNameProvider;
}
public ClockProvider getClockProvider() {
return clockProvider;
}
public void setClockProvider(ClockProvider clockProvider) {
this.clockProvider = clockProvider;
}
public Map<Key, ValueExtractorDescriptor> getValueExtractorDescriptors() {
return valueExtractorDescriptors;
}
public void addValueExtractorDescriptor(ValueExtractorDescriptor descriptor) {
valueExtractorDescriptors.put( descriptor.getKey(), descriptor );
}
@SuppressWarnings("unchecked")
private void setProviderClass(String providerFqcn, ClassLoader externalClassLoader) {
if ( providerFqcn != null ) {
try {
providerClass = (Class<? extends ValidationProvider<?>>) run(
LoadClass.action( providerFqcn, externalClassLoader )
);
LOG.usingValidationProvider( providerClass );
}
catch (Exception e) {
throw LOG.getUnableToInstantiateValidationProviderClassException( providerFqcn, e );
}
}
}
private void setMessageInterpolator(String messageInterpolatorFqcn, ClassLoader externalClassLoader) {
if ( messageInterpolatorFqcn != null ) {
try {
@SuppressWarnings("unchecked")
Class<? extends MessageInterpolator> messageInterpolatorClass = (Class<? extends MessageInterpolator>) run(
LoadClass.action( messageInterpolatorFqcn, externalClassLoader )
);
messageInterpolator = run( NewInstance.action( messageInterpolatorClass, "message interpolator" ) );
LOG.usingMessageInterpolator( messageInterpolatorClass );
}
catch (ValidationException e) {
throw LOG.getUnableToInstantiateMessageInterpolatorClassException( messageInterpolatorFqcn, e );
}
}
}
private void setTraversableResolver(String traversableResolverFqcn, ClassLoader externalClassLoader) {
if ( traversableResolverFqcn != null ) {
try {
@SuppressWarnings("unchecked")
Class<? extends TraversableResolver> clazz = (Class<? extends TraversableResolver>) run(
LoadClass.action( traversableResolverFqcn, externalClassLoader )
);
traversableResolver = run( NewInstance.action( clazz, "traversable resolver" ) );
LOG.usingTraversableResolver( clazz );
}
catch (ValidationException e) {
throw LOG.getUnableToInstantiateTraversableResolverClassException( traversableResolverFqcn, e );
}
}
}
private void setConstraintValidatorFactory(String constraintValidatorFactoryFqcn, ClassLoader externalClassLoader) {
if ( constraintValidatorFactoryFqcn != null ) {
try {
@SuppressWarnings("unchecked")
Class<? extends ConstraintValidatorFactory> clazz = (Class<? extends ConstraintValidatorFactory>) run(
LoadClass.action( constraintValidatorFactoryFqcn, externalClassLoader )
);
constraintValidatorFactory = run( NewInstance.action( clazz, "constraint validator factory class" ) );
LOG.usingConstraintValidatorFactory( clazz );
}
catch (ValidationException e) {
throw LOG.getUnableToInstantiateConstraintValidatorFactoryClassException( constraintValidatorFactoryFqcn, e );
}
}
}
private void setParameterNameProvider(String parameterNameProviderFqcn, ClassLoader externalClassLoader) {
if ( parameterNameProviderFqcn != null ) {
try {
@SuppressWarnings("unchecked")
Class<? extends ParameterNameProvider> clazz = (Class<? extends ParameterNameProvider>) run(
LoadClass.action( parameterNameProviderFqcn, externalClassLoader )
);
parameterNameProvider = run( NewInstance.action( clazz, "parameter name provider class" ) );
LOG.usingParameterNameProvider( clazz );
}
catch (ValidationException e) {
throw LOG.getUnableToInstantiateParameterNameProviderClassException( parameterNameProviderFqcn, e );
}
}
}
private void setClockProvider(String clockProviderFqcn, ClassLoader externalClassLoader) {
if ( clockProviderFqcn != null ) {
try {
@SuppressWarnings("unchecked")
Class<? extends ClockProvider> clazz = (Class<? extends ClockProvider>) run(
LoadClass.action( clockProviderFqcn, externalClassLoader )
);
clockProvider = run( NewInstance.action( clazz, "clock provider class" ) );
LOG.usingClockProvider( clazz );
}
catch (ValidationException e) {
throw LOG.getUnableToInstantiateClockProviderClassException( clockProviderFqcn, e );
}
}
}
@SuppressWarnings("unchecked")
private void setValueExtractors(Set<String> valueExtractorFqcns, ClassLoader externalClassLoader) {
for ( String valueExtractorFqcn : valueExtractorFqcns ) {
ValueExtractor<?> valueExtractor;
try {
Class<? extends ValueExtractor<?>> clazz = (Class<? extends ValueExtractor<?>>) run(
LoadClass.action( valueExtractorFqcn, externalClassLoader )
);
valueExtractor = run( NewInstance.action( clazz, "value extractor class" ) );
}
catch (ValidationException e) {
throw LOG.getUnableToInstantiateValueExtractorClassException( valueExtractorFqcn, e );
}
ValueExtractorDescriptor descriptor = new ValueExtractorDescriptor( valueExtractor );
ValueExtractorDescriptor previous = valueExtractorDescriptors.put( descriptor.getKey(), descriptor );
if ( previous != null ) {
throw LOG.getValueExtractorForTypeAndTypeUseAlreadyPresentException( valueExtractor, previous.getValueExtractor() );
}
LOG.addingValueExtractor( (Class<? extends ValueExtractor<?>>) valueExtractor.getClass() );
}
}
private void setMappingStreams(Set<String> mappingFileNames, ClassLoader externalClassLoader) {
for ( String mappingFileName : mappingFileNames ) {
LOG.debugf( "Trying to open input stream for %s.", mappingFileName );
InputStream in = ResourceLoaderHelper.getResettableInputStreamForPath( mappingFileName, externalClassLoader );
if ( in == null ) {
throw LOG.getUnableToOpenInputStreamForMappingFileException( mappingFileName );
}
mappings.add( in );
}
}
private void setConfigProperties(Map<String, String> properties) {
for ( Map.Entry<String, String> entry : properties.entrySet() ) {
configProperties.put( entry.getKey(), entry.getValue() );
}
}
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.
/**
* Runs the given privileged action, using a privileged block if required.
* <p>
* <b>NOTE:</b> This must never be changed into a publicly available method to avoid execution of arbitrary
* privileged actions within HV's protection domain.
*/
private <T> T run(PrivilegedAction<T> action) {
return System.getSecurityManager() != null ? AccessController.doPrivileged( action ) : action.run();
}
}