com.github.pjungermann.config.ConfigError.java Source code

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/*
 * Copyright 2015-2016 Patrick Jungermann
 *
 * 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.github.pjungermann.config;

import org.jetbrains.annotations.NotNull;
import org.springframework.context.MessageSource;
import org.springframework.context.MessageSourceResolvable;

import java.util.Locale;

/**
 * Any kind of error related to the {@link Config}
 * including its loading and validation.
 *
 * @author Patrick Jungermann
 */
public interface ConfigError {

    /**
     * The error message to be rendered.
     *
     * @return the error message to be rendered.
     */
    @NotNull
    MessageSourceResolvable getMessage();

    /**
     * Renders the {@link #getMessage() message} using the
     * {@link MessageSource} and {@link Locale}.
     *
     * @param messageSource    {@link MessageSource} to render it.
     * @param locale           {@link Locale} needed to render it.
     * @return the message.
     */
    @NotNull
    default String toMessage(@NotNull final MessageSource messageSource, @NotNull final Locale locale) {
        return messageSource.getMessage(getMessage(), locale);
    }
}