com.gitee.easyopen.message.ErrorFactory Maven / Gradle / Ivy

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package com.gitee.easyopen.message;

import java.util.HashSet;
import java.util.List;
import java.util.Locale;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.NoSuchMessageException;
import org.springframework.context.support.MessageSourceAccessor;
import org.springframework.context.support.ResourceBundleMessageSource;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;

public class ErrorFactory {

    protected static Logger logger = LoggerFactory.getLogger(ErrorFactory.class);

    private static final String I18N_OPEN_ERROR = "i18n/open/error";
    // 错误信息的国际化信息
    private static MessageSourceAccessor errorMessageSourceAccessor;

    /**
     * 设置国际化资源信息
     */
    public static void initMessageSource(List isvModules) {
        HashSet baseNamesSet = new HashSet();
        baseNamesSet.add(I18N_OPEN_ERROR);
        
        if(!isvModules.isEmpty()) {
            baseNamesSet.addAll(isvModules);
        }
        
        String[] totalBaseNames = baseNamesSet.toArray(new String[0]);

        if (logger.isInfoEnabled()) {
            logger.info("加载错误码国际化资源：{}", StringUtils.arrayToCommaDelimitedString(totalBaseNames));
        }
        ResourceBundleMessageSource bundleMessageSource = new ResourceBundleMessageSource();
        bundleMessageSource.setBasenames(totalBaseNames);
        MessageSourceAccessor messageSourceAccessor = new MessageSourceAccessor(bundleMessageSource);
        setErrorMessageSourceAccessor(messageSourceAccessor);
    }

    public static Error getError(ErrorMeta errorMeta, Locale locale, Object... params) {
        Assert.notNull(locale, "未设置Locale");
        final String code = errorMeta.getCode();
        final String errorMessage = getErrorMessage(errorMeta.getIsvModule() + code, locale, params);
        return new Error() {
            @Override
            public String getMsg() {
                return errorMessage;
            }

            @Override
            public String getCode() {
                return code;
            }
        };
    }
    

    public static void setErrorMessageSourceAccessor(MessageSourceAccessor errorMessageSourceAccessor) {
        ErrorFactory.errorMessageSourceAccessor = errorMessageSourceAccessor;
    }

    public static String getErrorMessage(String module, Locale locale, Object... params) {
        try {
            Assert.notNull(errorMessageSourceAccessor, "请先设置错误消息的国际化资源");
            return errorMessageSourceAccessor.getMessage(module, params, locale);
        } catch (NoSuchMessageException e) {
            logger.error("不存在对应的错误键：{}，请检查是否在{}的错误资源", module, I18N_OPEN_ERROR);
            throw e;
        }
    }

}