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org.hibernate.validator.internal.engine.constraintvalidation.ConstraintValidatorContextImpl Maven / Gradle / Ivy
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Hibernate's Jakarta Bean Validation reference implementation.
/*
* 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.engine.constraintvalidation;
import java.lang.invoke.MethodHandles;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.validation.ClockProvider;
import javax.validation.ConstraintValidatorContext;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.ContainerElementNodeBuilderCustomizableContext;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.ContainerElementNodeBuilderDefinedContext;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.ContainerElementNodeContextBuilder;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.LeafNodeBuilderCustomizableContext;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.LeafNodeBuilderDefinedContext;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.LeafNodeContextBuilder;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.NodeBuilderCustomizableContext;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.NodeBuilderDefinedContext;
import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.NodeContextBuilder;
import javax.validation.ElementKind;
import javax.validation.metadata.ConstraintDescriptor;
import org.hibernate.validator.constraintvalidation.HibernateConstraintValidatorContext;
import org.hibernate.validator.internal.engine.path.PathImpl;
import org.hibernate.validator.internal.util.CollectionHelper;
import org.hibernate.validator.internal.util.Contracts;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
/**
* @author Hardy Ferentschik
* @author Gunnar Morling
* @author Guillaume Smet
*/
public class ConstraintValidatorContextImpl implements HibernateConstraintValidatorContext {
private static final Log LOG = LoggerFactory.make( MethodHandles.lookup() );
private Map messageParameters;
private Map expressionVariables;
private final ClockProvider clockProvider;
private final PathImpl basePath;
private final ConstraintDescriptor constraintDescriptor;
private List constraintViolationCreationContexts;
private boolean defaultDisabled;
private Object dynamicPayload;
private final Object constraintValidatorPayload;
public ConstraintValidatorContextImpl(
ClockProvider clockProvider,
PathImpl propertyPath,
ConstraintDescriptor constraintDescriptor,
Object constraintValidatorPayload) {
this.clockProvider = clockProvider;
this.basePath = propertyPath;
this.constraintDescriptor = constraintDescriptor;
this.constraintValidatorPayload = constraintValidatorPayload;
}
@Override
public final void disableDefaultConstraintViolation() {
defaultDisabled = true;
}
@Override
public final String getDefaultConstraintMessageTemplate() {
return constraintDescriptor.getMessageTemplate();
}
@Override
public ConstraintViolationBuilder buildConstraintViolationWithTemplate(String messageTemplate) {
return new ConstraintViolationBuilderImpl(
messageTemplate,
getCopyOfBasePath()
);
}
@Override
public T unwrap(Class type) {
//allow unwrapping into public super types
if ( type.isAssignableFrom( HibernateConstraintValidatorContext.class ) ) {
return type.cast( this );
}
throw LOG.getTypeNotSupportedForUnwrappingException( type );
}
@Override
public HibernateConstraintValidatorContext addExpressionVariable(String name, Object value) {
Contracts.assertNotNull( name, "null is not a valid value for an expression variable name" );
if ( expressionVariables == null ) {
expressionVariables = new HashMap<>();
}
this.expressionVariables.put( name, value );
return this;
}
@Override
public HibernateConstraintValidatorContext addMessageParameter(String name, Object value) {
Contracts.assertNotNull( name, "null is not a valid value for a parameter name" );
if ( messageParameters == null ) {
messageParameters = new HashMap<>();
}
this.messageParameters.put( name, value );
return this;
}
@Override
public ClockProvider getClockProvider() {
return clockProvider;
}
@Override
public HibernateConstraintValidatorContext withDynamicPayload(Object violationContext) {
this.dynamicPayload = violationContext;
return this;
}
@Override
public C getConstraintValidatorPayload(Class type) {
if ( constraintValidatorPayload != null && type.isAssignableFrom( constraintValidatorPayload.getClass() ) ) {
return type.cast( constraintValidatorPayload );
}
else {
return null;
}
}
public final ConstraintDescriptor getConstraintDescriptor() {
return constraintDescriptor;
}
public final List getConstraintViolationCreationContexts() {
if ( defaultDisabled ) {
if ( constraintViolationCreationContexts == null || constraintViolationCreationContexts.size() == 0 ) {
throw LOG.getAtLeastOneCustomMessageMustBeCreatedException();
}
return CollectionHelper.toImmutableList( constraintViolationCreationContexts );
}
if ( constraintViolationCreationContexts == null || constraintViolationCreationContexts.size() == 0 ) {
return Collections.singletonList( getDefaultConstraintViolationCreationContext() );
}
List returnedConstraintViolationCreationContexts =
new ArrayList<>( constraintViolationCreationContexts.size() + 1 );
returnedConstraintViolationCreationContexts.addAll( constraintViolationCreationContexts );
returnedConstraintViolationCreationContexts.add( getDefaultConstraintViolationCreationContext() );
return CollectionHelper.toImmutableList( returnedConstraintViolationCreationContexts );
}
protected final PathImpl getCopyOfBasePath() {
return PathImpl.createCopy( basePath );
}
private ConstraintViolationCreationContext getDefaultConstraintViolationCreationContext() {
return new ConstraintViolationCreationContext(
getDefaultConstraintMessageTemplate(),
basePath,
messageParameters != null ? new HashMap<>( messageParameters ) : Collections.emptyMap(),
expressionVariables != null ? new HashMap<>( expressionVariables ) : Collections.emptyMap(),
dynamicPayload
);
}
private abstract class NodeBuilderBase {
protected final String messageTemplate;
protected PathImpl propertyPath;
protected NodeBuilderBase(String template, PathImpl path) {
this.messageTemplate = template;
this.propertyPath = path;
}
public ConstraintValidatorContext addConstraintViolation() {
if ( constraintViolationCreationContexts == null ) {
constraintViolationCreationContexts = CollectionHelper.newArrayList( 3 );
}
constraintViolationCreationContexts.add(
new ConstraintViolationCreationContext(
messageTemplate,
propertyPath,
messageParameters != null ? new HashMap<>( messageParameters ) : Collections.emptyMap(),
expressionVariables != null ? new HashMap<>( expressionVariables ) : Collections.emptyMap(),
dynamicPayload
)
);
return ConstraintValidatorContextImpl.this;
}
}
protected class ConstraintViolationBuilderImpl extends NodeBuilderBase implements ConstraintViolationBuilder {
protected ConstraintViolationBuilderImpl(String template, PathImpl path) {
super( template, path );
}
@Override
@Deprecated
public NodeBuilderDefinedContext addNode(String name) {
dropLeafNodeIfRequired();
propertyPath.addPropertyNode( name );
return new NodeBuilder( messageTemplate, propertyPath );
}
@Override
public NodeBuilderCustomizableContext addPropertyNode(String name) {
dropLeafNodeIfRequired();
return new DeferredNodeBuilder( messageTemplate, propertyPath, name, ElementKind.PROPERTY );
}
@Override
public LeafNodeBuilderCustomizableContext addBeanNode() {
return new DeferredNodeBuilder( messageTemplate, propertyPath, null, ElementKind.BEAN );
}
@Override
public NodeBuilderDefinedContext addParameterNode(int index) {
throw LOG.getParameterNodeAddedForNonCrossParameterConstraintException( propertyPath );
}
@Override
public ContainerElementNodeBuilderCustomizableContext addContainerElementNode(String name, Class containerType, Integer typeArgumentIndex) {
dropLeafNodeIfRequired();
return new DeferredNodeBuilder( messageTemplate, propertyPath, name, containerType, typeArgumentIndex );
}
/**
* In case nodes are added from within a class-level constraint, the node representing
* the constraint element will be dropped. inIterable(), getKey() etc.
*/
private void dropLeafNodeIfRequired() {
if ( propertyPath.getLeafNode().getKind() == ElementKind.BEAN ) {
propertyPath = PathImpl.createCopyWithoutLeafNode( propertyPath );
}
}
}
protected class NodeBuilder extends NodeBuilderBase
implements NodeBuilderDefinedContext, LeafNodeBuilderDefinedContext, ContainerElementNodeBuilderDefinedContext {
protected NodeBuilder(String template, PathImpl path) {
super( template, path );
}
@Override
@Deprecated
public ConstraintViolationBuilder.NodeBuilderCustomizableContext addNode(String name) {
return addPropertyNode( name );
}
@Override
public NodeBuilderCustomizableContext addPropertyNode(String name) {
return new DeferredNodeBuilder( messageTemplate, propertyPath, name, ElementKind.PROPERTY );
}
@Override
public LeafNodeBuilderCustomizableContext addBeanNode() {
return new DeferredNodeBuilder( messageTemplate, propertyPath, null, ElementKind.BEAN );
}
@Override
public ContainerElementNodeBuilderCustomizableContext addContainerElementNode(String name, Class containerType, Integer typeArgumentIndex) {
return new DeferredNodeBuilder( messageTemplate, propertyPath, name, containerType, typeArgumentIndex );
}
}
private class DeferredNodeBuilder extends NodeBuilderBase
implements NodeBuilderCustomizableContext, LeafNodeBuilderCustomizableContext, NodeContextBuilder, LeafNodeContextBuilder,
ContainerElementNodeBuilderCustomizableContext, ContainerElementNodeContextBuilder {
private final String leafNodeName;
private final ElementKind leafNodeKind;
private final Class leafNodeContainerType;
private final Integer leafNodeTypeArgumentIndex;
private DeferredNodeBuilder(String template, PathImpl path, String nodeName, ElementKind leafNodeKind) {
super( template, path );
this.leafNodeName = nodeName;
this.leafNodeKind = leafNodeKind;
this.leafNodeContainerType = null;
this.leafNodeTypeArgumentIndex = null;
}
private DeferredNodeBuilder(String template, PathImpl path, String nodeName, Class leafNodeContainerType, Integer leafNodeTypeArgumentIndex) {
super( template, path );
this.leafNodeName = nodeName;
this.leafNodeKind = ElementKind.CONTAINER_ELEMENT;
this.leafNodeContainerType = leafNodeContainerType;
this.leafNodeTypeArgumentIndex = leafNodeTypeArgumentIndex;
}
@Override
public DeferredNodeBuilder inIterable() {
propertyPath.makeLeafNodeIterable();
return this;
}
@Override
public DeferredNodeBuilder inContainer(Class containerClass, Integer typeArgumentIndex) {
propertyPath.setLeafNodeTypeParameter( containerClass, typeArgumentIndex );
return this;
}
@Override
public NodeBuilder atKey(Object key) {
propertyPath.makeLeafNodeIterableAndSetMapKey( key );
addLeafNode();
return new NodeBuilder( messageTemplate, propertyPath );
}
@Override
public NodeBuilder atIndex(Integer index) {
propertyPath.makeLeafNodeIterableAndSetIndex( index );
addLeafNode();
return new NodeBuilder( messageTemplate, propertyPath );
}
@Override
@Deprecated
public NodeBuilderCustomizableContext addNode(String name) {
return addPropertyNode( name );
}
@Override
public NodeBuilderCustomizableContext addPropertyNode(String name) {
addLeafNode();
return new DeferredNodeBuilder( messageTemplate, propertyPath, name, ElementKind.PROPERTY );
}
@Override
public ContainerElementNodeBuilderCustomizableContext addContainerElementNode(String name, Class containerType, Integer typeArgumentIndex) {
addLeafNode();
return new DeferredNodeBuilder( messageTemplate, propertyPath, name, containerType, typeArgumentIndex );
}
@Override
public LeafNodeBuilderCustomizableContext addBeanNode() {
addLeafNode();
return new DeferredNodeBuilder( messageTemplate, propertyPath, null, ElementKind.BEAN );
}
@Override
public ConstraintValidatorContext addConstraintViolation() {
addLeafNode();
return super.addConstraintViolation();
}
/**
* Adds the leaf node stored for deferred addition. Either a bean or
* property node.
*/
private void addLeafNode() {
switch ( leafNodeKind ) {
case BEAN:
propertyPath.addBeanNode();
break;
case PROPERTY:
propertyPath.addPropertyNode( leafNodeName );
break;
case CONTAINER_ELEMENT:
propertyPath.setLeafNodeTypeParameter( leafNodeContainerType, leafNodeTypeArgumentIndex );
propertyPath.addContainerElementNode( leafNodeName );
break;
default:
throw new IllegalStateException( "Unsupported node kind: " + leafNodeKind );
}
}
}
}