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package com.kalvan.client.system;

import com.kalvan.client.context.RequestContextHolder;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.util.Map;

/**
 * 应用系统工具类
 *
 * @author kalvan
 */
@Component(SystemUtil.SYSTEM_UTIL)
public class SystemUtil {
    public static final String SYSTEM_UTIL = "systemUtil";

    private static SystemConfig staticSystemConfig;

    @Resource
    SystemConfig systemConfig;

    @PostConstruct
    private void init() {
        setSystemConfig(systemConfig);
    }

    private static void setSystemConfig(SystemConfig systemConfig) {
        staticSystemConfig = systemConfig;
    }

    public static SystemConfig getSystemConfig() {
        return staticSystemConfig;
    }

    /**
     * 国际化匹配
     *
     * @param message 原始消息
     * @return 匹配语言的消息
     */
    public static String getI18nMessage(String message) {
        String language = RequestContextHolder.getContext().getLanguage();
        if (StringUtils.isNotBlank(language)
                && getSystemConfig() != null
                && getSystemConfig().getI18nConfig() != null) {
            I18nConfig i18nConfig = getSystemConfig().getI18nConfig();
            if (i18nConfig.getMessage() != null) {
                //返回码描述动态替换国际化匹配
                Map descMap = i18nConfig.getMessage().get(language);
                if (descMap != null && descMap.get(message) != null) {
                    return descMap.get(message);
                }
            }
        }
        return message;
    }
}