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ConfigurationImpl.java
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ConfigurationImpl.java
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/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc. and/or its affiliates, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.validator.engine;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.validation.ConstraintValidatorFactory;
import javax.validation.MessageInterpolator;
import javax.validation.TraversableResolver;
import javax.validation.ValidationException;
import javax.validation.ValidationProviderResolver;
import javax.validation.ValidatorFactory;
import javax.validation.spi.BootstrapState;
import javax.validation.spi.ConfigurationState;
import javax.validation.spi.ValidationProvider;
import org.slf4j.Logger;
import org.hibernate.validator.HibernateValidatorConfiguration;
import org.hibernate.validator.cfg.ConstraintMapping;
import org.hibernate.validator.engine.resolver.DefaultTraversableResolver;
import org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator;
import org.hibernate.validator.resourceloading.PlatformResourceBundleLocator;
import org.hibernate.validator.resourceloading.ResourceBundleLocator;
import org.hibernate.validator.util.LoggerFactory;
import org.hibernate.validator.util.Version;
import org.hibernate.validator.xml.ValidationBootstrapParameters;
import org.hibernate.validator.xml.ValidationXmlParser;
/**
* Hibernate specific {@code Configuration} implementation.
*
* @author Emmanuel Bernard
* @author Hardy Ferentschik
* @author Gunnar Morling
* @author Kevin Pollet <kevin.pollet@serli.com> (C) 2011 SERLI
*/
public class ConfigurationImpl implements HibernateValidatorConfiguration, ConfigurationState {
static {
Version.touch();
}
private static final Logger log = LoggerFactory.make();
private final ResourceBundleLocator defaultResourceBundleLocator = new PlatformResourceBundleLocator(
ResourceBundleMessageInterpolator.USER_VALIDATION_MESSAGES
);
private final MessageInterpolator defaultMessageInterpolator = new ResourceBundleMessageInterpolator(
defaultResourceBundleLocator
);
private final TraversableResolver defaultTraversableResolver = new DefaultTraversableResolver();
private final ConstraintValidatorFactory defaultConstraintValidatorFactory = new ConstraintValidatorFactoryImpl();
private final ValidationProviderResolver providerResolver;
private ValidationBootstrapParameters validationBootstrapParameters;
private boolean ignoreXmlConfiguration = false;
private Set<InputStream> configurationStreams = new HashSet<InputStream>();
private ConstraintMapping mapping;
private boolean failFast;
public ConfigurationImpl(BootstrapState state) {
if ( state.getValidationProviderResolver() == null ) {
this.providerResolver = state.getDefaultValidationProviderResolver();
}
else {
this.providerResolver = state.getValidationProviderResolver();
}
validationBootstrapParameters = new ValidationBootstrapParameters();
}
public ConfigurationImpl(ValidationProvider<?> provider) {
if ( provider == null ) {
throw new ValidationException( "Assertion error: inconsistent ConfigurationImpl construction" );
}
this.providerResolver = null;
validationBootstrapParameters = new ValidationBootstrapParameters();
validationBootstrapParameters.setProvider( provider );
}
public final HibernateValidatorConfiguration ignoreXmlConfiguration() {
ignoreXmlConfiguration = true;
return this;
}
public final ConfigurationImpl messageInterpolator(MessageInterpolator interpolator) {
this.validationBootstrapParameters.setMessageInterpolator( interpolator );
return this;
}
public final ConfigurationImpl traversableResolver(TraversableResolver resolver) {
this.validationBootstrapParameters.setTraversableResolver( resolver );
return this;
}
public final ConfigurationImpl constraintValidatorFactory(ConstraintValidatorFactory constraintValidatorFactory) {
this.validationBootstrapParameters.setConstraintValidatorFactory( constraintValidatorFactory );
return this;
}
public final HibernateValidatorConfiguration addMapping(InputStream stream) {
if ( stream == null ) {
throw new IllegalArgumentException( "The stream cannot be null." );
}
validationBootstrapParameters.addMapping( stream );
return this;
}
public final HibernateValidatorConfiguration failFast( boolean failFast) {
this.failFast = failFast;
return this;
}
public final HibernateValidatorConfiguration addMapping(ConstraintMapping mapping) {
if ( mapping == null ) {
throw new IllegalArgumentException( "The mapping cannot be null." );
}
this.mapping = mapping;
return this;
}
public final HibernateValidatorConfiguration addProperty(String name, String value) {
if ( value != null ) {
validationBootstrapParameters.addConfigProperty( name, value );
}
return this;
}
public final ValidatorFactory buildValidatorFactory() {
parseValidationXml();
ValidatorFactory factory = null;
try {
if ( isSpecificProvider() ) {
factory = validationBootstrapParameters.getProvider().buildValidatorFactory( this );
}
else {
final Class<? extends ValidationProvider<?>> providerClass = validationBootstrapParameters.getProviderClass();
if ( providerClass != null ) {
for ( ValidationProvider<?> provider : providerResolver.getValidationProviders() ) {
if ( providerClass.isAssignableFrom( provider.getClass() ) ) {
factory = provider.buildValidatorFactory( this );
break;
}
}
if ( factory == null ) {
throw new ValidationException( "Unable to find provider: " + providerClass );
}
}
else {
List<ValidationProvider<?>> providers = providerResolver.getValidationProviders();
assert providers.size() != 0; // I run therefore I am
factory = providers.get( 0 ).buildValidatorFactory( this );
}
}
}
finally {
// close all input streams opened by this configuration
for ( InputStream in : configurationStreams ) {
try {
in.close();
}
catch ( IOException io ) {
log.warn( "Unable to close input stream." );
}
}
}
// reset the param holder
validationBootstrapParameters = new ValidationBootstrapParameters();
return factory;
}
public final boolean isIgnoreXmlConfiguration() {
return ignoreXmlConfiguration;
}
public final MessageInterpolator getMessageInterpolator() {
return validationBootstrapParameters.getMessageInterpolator();
}
public final Set<InputStream> getMappingStreams() {
return validationBootstrapParameters.getMappings();
}
public final boolean getFailFast() {
return failFast;
}
public final ConstraintValidatorFactory getConstraintValidatorFactory() {
return validationBootstrapParameters.getConstraintValidatorFactory();
}
public final TraversableResolver getTraversableResolver() {
return validationBootstrapParameters.getTraversableResolver();
}
public final Map<String, String> getProperties() {
return validationBootstrapParameters.getConfigProperties();
}
public final MessageInterpolator getDefaultMessageInterpolator() {
return defaultMessageInterpolator;
}
public final TraversableResolver getDefaultTraversableResolver() {
return defaultTraversableResolver;
}
public final ConstraintValidatorFactory getDefaultConstraintValidatorFactory() {
return defaultConstraintValidatorFactory;
}
public final ResourceBundleLocator getDefaultResourceBundleLocator() {
return defaultResourceBundleLocator;
}
public final ConstraintMapping getMapping() {
return mapping;
}
private boolean isSpecificProvider() {
return validationBootstrapParameters.getProvider() != null;
}
/**
* Tries to check whether a validation.xml file exists and parses it using JAXB
*/
private void parseValidationXml() {
if ( ignoreXmlConfiguration ) {
log.info( "Ignoring XML configuration." );
// make sure we use the defaults in case they haven't been provided yet
if ( validationBootstrapParameters.getMessageInterpolator() == null ) {
validationBootstrapParameters.setMessageInterpolator( defaultMessageInterpolator );
}
if ( validationBootstrapParameters.getTraversableResolver() == null ) {
validationBootstrapParameters.setTraversableResolver( defaultTraversableResolver );
}
if ( validationBootstrapParameters.getConstraintValidatorFactory() == null ) {
validationBootstrapParameters.setConstraintValidatorFactory( defaultConstraintValidatorFactory );
}
}
else {
ValidationBootstrapParameters xmlParameters = new ValidationXmlParser().parseValidationXml();
applyXmlSettings( xmlParameters );
}
}
private void applyXmlSettings(ValidationBootstrapParameters xmlParameters) {
validationBootstrapParameters.setProviderClass( xmlParameters.getProviderClass() );
if ( validationBootstrapParameters.getMessageInterpolator() == null ) {
if ( xmlParameters.getMessageInterpolator() != null ) {
validationBootstrapParameters.setMessageInterpolator( xmlParameters.getMessageInterpolator() );
}
else {
validationBootstrapParameters.setMessageInterpolator( defaultMessageInterpolator );
}
}
if ( validationBootstrapParameters.getTraversableResolver() == null ) {
if ( xmlParameters.getTraversableResolver() != null ) {
validationBootstrapParameters.setTraversableResolver( xmlParameters.getTraversableResolver() );
}
else {
validationBootstrapParameters.setTraversableResolver( defaultTraversableResolver );
}
}
if ( validationBootstrapParameters.getConstraintValidatorFactory() == null ) {
if ( xmlParameters.getConstraintValidatorFactory() != null ) {
validationBootstrapParameters.setConstraintValidatorFactory( xmlParameters.getConstraintValidatorFactory() );
}
else {
validationBootstrapParameters.setConstraintValidatorFactory( defaultConstraintValidatorFactory );
}
}
validationBootstrapParameters.addAllMappings( xmlParameters.getMappings() );
configurationStreams.addAll( xmlParameters.getMappings() );
for ( Map.Entry<String, String> entry : xmlParameters.getConfigProperties().entrySet() ) {
if ( validationBootstrapParameters.getConfigProperties().get( entry.getKey() ) == null ) {
validationBootstrapParameters.addConfigProperty( entry.getKey(), entry.getValue() );
}
}
}
}