org.springframework.web.context.request.ServletRequestAttributes#getAttribute ( )源码实例Demo

@Override
protected String resolveCodeWithoutArguments(String code, Locale locale) {
    // 获取request中设置的指定国际化文件名
    ServletRequestAttributes attr = (ServletRequestAttributes) RequestContextHolder.currentRequestAttributes();
    final String i18File = (String) attr.getAttribute(I18N_ATTRIBUTE, RequestAttributes.SCOPE_REQUEST);
    if (!StringUtils.isEmpty(i18File)) {
        //获取在basenameSet中匹配的国际化文件名
        String basename = getBasenameSet().stream()
                .filter(name -> StringUtils.endsWithIgnoreCase(name, i18File))
                .findFirst().orElse(null);
        if (!StringUtils.isEmpty(basename)) {
            //得到指定的国际化文件资源
            ResourceBundle bundle = getResourceBundle(basename, locale);
            if (bundle != null) {
                return getStringOrNull(bundle, code);
            }
        }
    }
    //如果指定i18文件夹中没有该国际化字段,返回null会在ParentMessageSource中查找
    return null;
}
 

/**
 * 获取session的Attribute
 *
 * @param name session的key
 * @return Object
 */
public static Object getSession(String name) {
    log.debug("getSession -- Thread id :{}, name : {}", Thread.currentThread().getId(), Thread.currentThread().getName());
    ServletRequestAttributes servletRequestAttributes = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes());
    if (null == servletRequestAttributes) {
        return null;
    }
    return servletRequestAttributes.getAttribute(name, RequestAttributes.SCOPE_SESSION);
}
 

public static UserModel getUserModel() {
    ServletRequestAttributes servletRequestAttributes = tryGetRequestAttributes();
    if (servletRequestAttributes == null) {
        return null;
    }
    return (UserModel) servletRequestAttributes.getAttribute(LoginInterceptor.SESSION_NAME, RequestAttributes.SCOPE_SESSION);
}
 

/**
 * 获取session的Attribute
 *
 * @param name session的key
 * @return Object
 */
public static Object getSession(String name) {
    log.debug("getSession -- Thread id :{}, name : {}", Thread.currentThread().getId(), Thread.currentThread().getName());
    ServletRequestAttributes servletRequestAttributes = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes());
    if (null == servletRequestAttributes) {
        return null;
    }
    return servletRequestAttributes.getAttribute(name, RequestAttributes.SCOPE_SESSION);
}
 

/**
 * 获取session的Attribute
 *
 * @param name session的key
 * @return Object
 */
public static Object getSession(String name) {
    log.debug("getSession -- Thread id :{}, name : {}", Thread.currentThread().getId(), Thread.currentThread().getName());
    ServletRequestAttributes servletRequestAttributes = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes());
    if (null == servletRequestAttributes) {
        return null;
    }
    return servletRequestAttributes.getAttribute(name, RequestAttributes.SCOPE_SESSION);
}