Java Code Examples for org.nutz.lang.Lang#isEmpty()

@Override
public boolean checkMenuUnique(String id, String parentId, String menuName) {
    Cnd cnd =Cnd.NEW();
    if(Strings.isNotBlank(id)){
        cnd.and("id","!=",id);
    }
    if(Strings.isNotBlank(parentId)){
        cnd.and("parent_id","=",parentId);
    }
    if(Strings.isNotBlank(menuName)){
        cnd.and("menu_name", "=", menuName);
    }
    List<Menu> list = this.query(cnd);
    if (Lang.isEmpty(list)) {
        return true;
    }
    return false;
}
 

@Override
public boolean checkDeptNameUnique(String id, String parentId, String menuName) {
    Cnd cnd =Cnd.NEW();
    if(Strings.isNotBlank(id)){
        cnd.and("id","!=",id);
    }
    if(Strings.isNotBlank(parentId)){
        cnd.and("parent_id","=",parentId);
    }
    if(Strings.isNotBlank(menuName)){
        cnd.and("dept_name", "=", menuName);
    }
    List<Dept> list = this.query(cnd);
    if (Lang.isEmpty(list)) {
        return true;
    }
    return false;
}
 

/**
 * 校验角色名称是否唯一
 * @param roleName
 * @return
 */
@Override
public boolean checkRoleNameUnique(String id, String roleName, String roleKey) {
    Cnd cnd =Cnd.NEW();
    if(Strings.isNotBlank(id)){
        cnd.and("id","!=",id);
    }
    if(Strings.isNotBlank(roleName)){
        cnd.and("role_name", "=", roleName);
    }
    if(Strings.isNotBlank(roleKey)){
        cnd.and("role_key", "=", roleKey);
    }
    List<Role> roleList = this.query(cnd);
    if (Lang.isEmpty(roleList)) {
        return true;
    }
    return false;
}
 

@Override
	protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
		UsernamePasswordToken upToken = (UsernamePasswordToken) token;
		if (Lang.isEmpty(upToken) || Strings.isEmpty(upToken.getUsername())) {
			throw Lang.makeThrow(AuthenticationException.class, "Account name is empty");
		}
		User user = userService.fetch(Cnd.where("login_name","=",upToken.getUsername()));
		if (Lang.isEmpty(user)) {
			throw Lang.makeThrow(UnknownAccountException.class, "Account [ %s ] not found", upToken.getUsername());
		}
		if (user.isStatus()) {
			throw Lang.makeThrow(LockedAccountException.class, "Account [ %s ] is locked.", upToken.getUsername());
		}
		SimpleAuthenticationInfo info = new SimpleAuthenticationInfo(user,
				user.getPassword().toCharArray(), ByteSource.Util.bytes(user.getSalt()), getName());
		info.setCredentialsSalt(ByteSource.Util.bytes(user.getSalt()));
//        info.
		return info;
	}
 

/**
 * 判断是否排除
 * @param request
 * @return
 */
private boolean handleExcludeURL(HttpServletRequest request) {
    if (!enabled) {
        return true;
    }
    if (excludes == null || Lang.isEmpty(excludes)) {
        return false;
    }
    String url = request.getServletPath();
    for (String pattern : excludes) {
        Pattern p = Pattern.compile("^" + pattern);
        Matcher m = p.matcher(url);
        if (m.find()) {
            return true;
        }
    }
    return false;
}
 

@Override
public WxAccessToken get() {
    Jedis jedis = null;
    try {
        jedis = jedisPool.getResource();
        if (tokenKey == null) {
            throw new RuntimeException("Redis token key should not be null!");
        }
        Map<String, String> hash = jedis.hgetAll(tokenKey);
        if (Lang.isEmpty(hash)) {
            log.warnf("could not find a valid token in redis with key [%s]", tokenKey);
            return null;
        }
        WxAccessToken at = new WxAccessToken();// 从redis中拿出3个值组装成WxAccessToken返回
        at.setToken(hash.get("token"));
        at.setLastCacheTimeMillis(Long.valueOf(hash.get("lastCacheMillis")));
        at.setExpires(Integer.valueOf(hash.get("expires")));
        log.debugf("wx access_token fetched from redis with the key [%s] : \n %s",
                tokenKey,
                Json.toJson(at, JsonFormat.nice()));
        return at;
    } catch (Exception e) {
        log.error(e);
    } finally {
        // jedisPool.returnResource(jedis); //这是老版本归还连接的方法 已经deprecated
        jedis.close();// 2.9.0的方法直接close
    }
    return null;
}
 

public List<Article> getArticles() {
    if (!Lang.isEmpty(articles) && articles.size() > 10) {
        this.articles = articles.subList(0, 10);
        setCount(10);
    }
    else {
        this.setCount(articles.size());
    }
    return articles;
}
 

public static Class<?> getUserClass(Object instance) {
	if(Lang.isEmpty(instance)){
		throw new IllegalArgumentException("Instance must not be null");
	}
	Class clazz = instance.getClass();
	if (clazz != null && clazz.getName().contains(CGLIB_CLASS_SEPARATOR)) {
		Class<?> superClass = clazz.getSuperclass();
		if (superClass != null && !Object.class.equals(superClass)) {
			return superClass;
		}
	}
	return clazz;

}
 

/**
 * 将文件转换成 base64字段
 * @param tempFile
 * @return
 */
public static String fileBase64(TempFile tempFile, Long maxLength) {
    // source file
    File file = tempFile.getFile();
    if(maxLength == null){
        maxLength =MAX_LENGTH;
    }
    if(Lang.isEmpty(file) || maxLength < file.length()){
        new IOException("文件超出限制");
    }
    return fileBase64(file);
}
 

@Override
public boolean checkLoginNameUnique(String name) {
    List<User> list = this.query(Cnd.where("login_name", "=", name));
    if (Lang.isEmpty(list)) {
        return true;
    }
    return false;
}
 

private String mergeAPIUrl(String url, Object... values) {
    if (!Lang.isEmpty(values)) {
        return wechatAPIURL + String.format(url, values);
    }
    return wechatAPIURL + url;
}
 

private String mergeCgiBinUrl(String url, Object... values) {
    if (!Lang.isEmpty(values)) {
        return cgiBinURL + String.format(url, values);
    }
    return cgiBinURL + url;
}
 

/**
 * 微信API响应输出
 * @param url   地址
 * @param methodType    请求方式 1:HTTP_GET, 2:HTTP_POST
 * @param body          POST数据内容
 * @param errorMsg      错误信息
 * @param params        错误信息参数
 * @return              {@link APIResult}
 */
protected APIResult wechatServerResponse(String url, int methodType, Object body, String errorMsg, Object... params) {
    APIResult ar = APIResult.create("{\"errCode\":0,\"errMsg\":\"OK\"}");
    for (int i=0; i < RETRY_COUNT; i++) {
        switch (methodType) {
            case 1:
                ar = APIResult.create(HttpTool.get(url));
                break;
            case 2:
                ar = APIResult.create(HttpTool.post(url, (String)body));
                break;
            case 3:
                ar = APIResult.create(HttpTool.upload(url, (File) body));
                break;
            case 4:
                Object tmp = HttpTool.download(url);
                if(tmp instanceof File) {
                    ar.getContent().put("file", tmp);
                } else {
                    ar = APIResult.create((String) tmp);
                }
                break;
            default:
                break;
        }

        if (ar != null && ar.isSuccess()) {
            return ar;
        }

        log.errorf("第%d尝试与微信服务器建立%s通讯.", (i+1), (methodType == HTTP_GET ? "HTTP GET" : "HTTP POST"));
        if (params == null){
            log.errorf(errorMsg, mpAct.getMpId());
        } else {
            Object[] args = new Object[params.length+1];
            args[0] = mpAct.getMpId();
            System.arraycopy(params, 0, args, 1, params.length);
            log.errorf(errorMsg, args);
            if (ar != null && !Lang.isEmpty(ar.getErrCNMsg())) {
                log.errorf(ar.getErrCNMsg());
            }
        }
    }

    throw Lang.wrapThrow(new WechatAPIException(ar.getJson()));
}
 

public static Object download(String url) {
    if (log.isDebugEnabled()) {
        log.debugf("Download url: %s, default timeout: %d", url, CONNECT_TIME_OUT);
    }

    try {
        Response resp = Http.get(url);
        if (resp.isOK()) {
            String cd = resp.getHeader().get("Content-disposition");
            if (log.isInfoEnabled()) {
                log.infof("Get download file info: %s", cd);
            }

            if (Lang.isEmpty(cd)) {
                return resp.getContent();
            }

            cd = cd.substring(cd.indexOf(FILE_NAME_FLAG) + FILE_NAME_FLAG.length());
            String tmp = cd.startsWith("\"") ? cd.substring(1) : cd;
            tmp = tmp.endsWith("\"") ? cd.replace("\"", "") : cd;
            String filename = tmp.substring(0, tmp.lastIndexOf("."));
            String fileext = tmp.substring(tmp.lastIndexOf("."));
            if (log.isInfoEnabled()) {
                log.infof("Download file name: %s", filename);
                log.infof("Download file ext: %s", fileext);
            }

            File tmpfile = File.createTempFile(filename, fileext);
            InputStream is = resp.getStream();
            OutputStream os = new FileOutputStream(tmpfile);
            Streams.writeAndClose(os, is);
            return tmpfile;
        }

        throw Lang.wrapThrow(new RuntimeException(String.format("Download file [%s] failed. status: %d, content: %s",
                                                                url,
                                                                resp.getStatus(),
                                                                resp.getContent())));
    }
    catch (Exception e) {
        throw Lang.wrapThrow(e);
    }
}
 

public boolean isAvailable() {
    if (!Lang.isEmpty(ticket) && this.expiresIn >= System.currentTimeMillis()) {
        return true;
    }
    return false;
}
 

public boolean isAvailable() {
    if (!Lang.isEmpty(accessToken) && this.expiresIn >= System.currentTimeMillis()) {
        return true;
    }
    return false;
}
 

public boolean isAvailable() {
    if (!Lang.isEmpty(accessToken) && this.expiresIn >= System.currentTimeMillis()) {
        return true;
    }
    return false;
}
 

/**
 * 默认页码
 *
 * @param pageNumber
 * @return
 */
protected int getPageNumber(Integer pageNumber) {
    return Lang.isEmpty(pageNumber) ? 1 : pageNumber;
}