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/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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 com.vaadin.data;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
/**
* Indicates validation errors in a {@link Binder} when a field value is
* validated.
*
* @see Binder#writeBean(Object)
* @see Binder#writeBeanIfValid(Object)
*
* @author Vaadin Ltd
* @since 8.0
*
*/
public class ValidationException extends Exception {
private final List<BindingValidationStatus<?>> fieldValidationErrors;
private final List<ValidationResult> beanValidationErrors;
/**
* Constructs a new exception with validation {@code errors} list.
*
* @param fieldValidationErrors
* binding validation errors list
* @param beanValidationErrors
* binder validation errors list
*/
public ValidationException(
List<BindingValidationStatus<?>> fieldValidationErrors,
List<ValidationResult> beanValidationErrors) {
super("Validation has failed for some fields");
this.fieldValidationErrors = Collections
.unmodifiableList(fieldValidationErrors);
this.beanValidationErrors = Collections
.unmodifiableList(beanValidationErrors);
}
/**
* Gets both field and bean level validation errors.
*
* @return a list of all validation errors
*/
public List<ValidationResult> getValidationErrors() {
ArrayList<ValidationResult> errors = new ArrayList<>(
getFieldValidationErrors().stream()
.map(s -> s.getResult().get())
.collect(Collectors.toList()));
errors.addAll(getBeanValidationErrors());
return errors;
}
/**
* Returns a list of the field level validation errors which caused the
* exception, or an empty list if the exception was caused by
* {@link #getBeanValidationErrors() bean level validation errors}.
*
* @return binding validation errors list
*/
public List<BindingValidationStatus<?>> getFieldValidationErrors() {
return fieldValidationErrors;
}
/**
* Returns a list of the bean level validation errors which caused the
* exception, or an empty list if the exception was caused by
* {@link #getBindingValidationErrors() binder level validation errors}.
*
* @return binder validation errors list
*/
public List<ValidationResult> getBeanValidationErrors() {
return beanValidationErrors;
}
}
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