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MethodValidationException.java
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MethodValidationException.java
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/*
* Copyright 2002-2023 the original author or authors.
*
* 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
*
* https://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.springframework.validation.beanvalidation;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Set;
import jakarta.validation.ConstraintViolation;
import jakarta.validation.ConstraintViolationException;
/**
* Extension of {@link ConstraintViolationException} that exposes an additional
* list of {@link ParameterValidationResult} with violations adapted to
* {@link org.springframework.context.MessageSourceResolvable} and grouped by
* method parameter.
*
* <p>For {@link jakarta.validation.Valid @Valid}-annotated, Object method
* parameters or return types with cascaded violations, the {@link ParameterErrors}
* subclass of {@link ParameterValidationResult} implements
* {@link org.springframework.validation.Errors} and exposes
* {@link org.springframework.validation.FieldError field errors}.
*
* @author Rossen Stoyanchev
* @since 6.1
* @see ParameterValidationResult
* @see ParameterErrors
* @see MethodValidationAdapter
*/
@SuppressWarnings("serial")
public class MethodValidationException extends ConstraintViolationException {
private final Object target;
private final Method method;
private final List<ParameterValidationResult> allValidationResults;
public MethodValidationException(
Object target, Method method,
List<ParameterValidationResult> validationResults,
Set<? extends ConstraintViolation<?>> violations) {
super(violations);
this.target = target;
this.method = method;
this.allValidationResults = validationResults;
}
/**
* Return the target of the method invocation to which validation was applied.
*/
public Object getTarget() {
return this.target;
}
/**
* Return the method to which validation was applied.
*/
public Method getMethod() {
return this.method;
}
/**
* Return all validation results. This includes method parameters with
* constraints declared on them, as well as
* {@link jakarta.validation.Valid @Valid} method parameters with
* cascaded constraints.
* @see #getValueResults()
* @see #getBeanResults()
*/
public List<ParameterValidationResult> getAllValidationResults() {
return this.allValidationResults;
}
/**
* Return only validation results for method parameters with constraints
* declared directly on them. This excludes
* {@link jakarta.validation.Valid @Valid} method parameters with cascaded
* constraints.
* @see #getAllValidationResults()
*/
public List<ParameterValidationResult> getValueResults() {
return this.allValidationResults.stream()
.filter(result -> !(result instanceof ParameterErrors))
.toList();
}
/**
* Return only validation results for {@link jakarta.validation.Valid @Valid}
* method parameters with cascaded constraints. This excludes method
* parameters with constraints declared directly on them.
* @see #getAllValidationResults()
*/
public List<ParameterErrors> getBeanResults() {
return this.allValidationResults.stream()
.filter(result -> result instanceof ParameterErrors)
.map(result -> (ParameterErrors) result)
.toList();
}
}