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/*
* Copyright 2000-2014 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.io.Serializable;
import java.util.Objects;
/**
* Represents a validation error. An error contains a reference to a field whose
* value is invalid and a message describing a validation failure.
*
* @author Vaadin Ltd
* @since 8.0
*
* @param <V>
* the field value type
*/
public class ValidationError<V> implements Serializable {
private HasValue<V> field;
private String message;
/**
* Creates a new instance of ValidationError with provided validated field
* and error message.
*
* @param field
* the validated field
* @param message
* the validation error message, not {@code null}
*/
public ValidationError(HasValue<V> field, String message) {
Objects.requireNonNull(message, "message cannot be null");
this.field = field;
this.message = message;
}
/**
* Returns a reference to the validated field.
*
* @return the validated field
*/
public HasValue<V> getField() {
return field;
}
/**
* Returns a validation error message.
*
* @return the validation error message
*/
public String getMessage() {
return message;
}
}
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