springutil

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.servlet.LocaleResolver;

import javax.servlet.http.HttpServletRequest;
import java.util.Locale;

@Component
public class SpringUtils implements ApplicationContextAware {

private static ApplicationContext applicationContext;

@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    this.applicationContext = applicationContext;
}

public static <T> T getBean(Class<T> tClass){
    return applicationContext.getBean(tClass);
}

public static <T> T getBean(String name, Class<T> type) {
    return applicationContext.getBean(name, type);
}

public static HttpServletRequest getCurrentReq() {
    ServletRequestAttributes requestAttrs = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
    if (requestAttrs == null) {
        return null;
    }
    return requestAttrs.getRequest();
}

public static String getMessage(String code, Object... args) {
    LocaleResolver localeResolver = getBean(LocaleResolver.class);
    Locale locale = localeResolver.resolveLocale(getCurrentReq());
    return applicationContext.getMessage(code, args, locale);
}

}