org.springframework.data.rest.webmvc.support.RepositoryConstraintViolationExceptionMessage.java Source code

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Here is the source code for org.springframework.data.rest.webmvc.support.RepositoryConstraintViolationExceptionMessage.java

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/*
 * Copyright 2012-2016 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
 *
 *      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.springframework.data.rest.webmvc.support;

import lombok.Value;

import java.util.ArrayList;
import java.util.List;

import org.springframework.context.support.MessageSourceAccessor;
import org.springframework.data.rest.core.RepositoryConstraintViolationException;
import org.springframework.util.Assert;
import org.springframework.validation.FieldError;

import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * @author Jon Brisbin
 * @author Oliver Gierke
 */
public class RepositoryConstraintViolationExceptionMessage {

    private final List<ValidationError> errors = new ArrayList<ValidationError>();

    /**
     * Creates a new {@link RepositoryConstraintViolationExceptionMessage} for the given
     * {@link RepositoryConstraintViolationException} and {@link MessageSourceAccessor}.
     * 
     * @param exception must not be {@literal null}.
     * @param accessor must not be {@literal null}.
     */
    public RepositoryConstraintViolationExceptionMessage(RepositoryConstraintViolationException exception,
            MessageSourceAccessor accessor) {

        Assert.notNull(exception, "RepositoryConstraintViolationException must not be null!");
        Assert.notNull(accessor, "MessageSourceAccessor must not be null!");

        for (FieldError fieldError : exception.getErrors().getFieldErrors()) {
            this.errors.add(ValidationError.of(fieldError.getObjectName(), fieldError.getField(),
                    fieldError.getRejectedValue(), accessor.getMessage(fieldError)));
        }
    }

    @JsonProperty("errors")
    public List<ValidationError> getErrors() {
        return errors;
    }

    @Value(staticConstructor = "of")
    public static class ValidationError {
        String entity, property;
        Object invalidValue;
        String message;
    }
}