org.nutz.lang.Streams Java Exaples

Source File: JedisSessionDAO.java From NutzSite with Apache License 2.0

6 votes

@Override
public void delete(Session session) {
    if (session == null || session.getId() == null) {
        return;
    }

    Jedis jedis = null;
    try {
        jedis = jedisAgent.getResource();

        jedis.hdel(JedisUtils.getBytesKey(sessionKeyPrefix), JedisUtils.getBytesKey(session.getId().toString()));
        jedis.del(JedisUtils.getBytesKey(sessionKeyPrefix + session.getId()));

        logger.debug("delete {} ", session.getId());
    } catch (Exception e) {
        logger.error("delete {} ", session.getId(), e);
    } finally {
       Streams.safeClose(jedis);
    }
}

Source File: JedisCacheManager.java From NutzSite with Apache License 2.0

6 votes

@Override
public V put(K key, V value) throws CacheException {
	if (key == null){
		return null;
	}
	
	Jedis jedis = null;
	try {
		jedis = jedisAgent.getResource();
		jedis.hset(JedisUtils.getBytesKey(cacheKeyName), JedisUtils.getBytesKey(key), JedisUtils.toBytes(value));
		logger.debug("put {} {} = {}", cacheKeyName, key, value);
	} catch (Exception e) {
		logger.error("put {} {}", cacheKeyName, key, e);
	} finally {
		Streams.safeClose(jedis);
	}
	return value;
}

Source File: JedisCacheManager.java From NutzSite with Apache License 2.0

6 votes

@SuppressWarnings("unchecked")
@Override
public V remove(K key) throws CacheException {
	V value = null;
	Jedis jedis = null;
	try {
		jedis = jedisAgent.getResource();
		value = (V)JedisUtils.toObject(jedis.hget(JedisUtils.getBytesKey(cacheKeyName), JedisUtils.getBytesKey(key)));
		jedis.hdel(JedisUtils.getBytesKey(cacheKeyName), JedisUtils.getBytesKey(key));
		logger.debug("remove {} {}", cacheKeyName, key);
	} catch (Exception e) {
		logger.warn("remove {} {}", cacheKeyName, key, e);
	} finally {
		Streams.safeClose(jedis);
	}
	return value;
}

Source File: JedisCacheManager.java From NutzSite with Apache License 2.0

6 votes

@SuppressWarnings("unchecked")
@Override
public Collection<V> values() {
	Collection<V> vals = Collections.emptyList();;
	Jedis jedis = null;
	try {
		jedis = jedisAgent.getResource();
		Collection<byte[]> col = jedis.hvals(JedisUtils.getBytesKey(cacheKeyName));
		for(byte[] val : col){
			Object obj = JedisUtils.toObject(val);
			if (obj != null){
				vals.add((V) obj);
			}
       	}
		logger.debug("values {} {} ", cacheKeyName, vals);
		return vals;
	} catch (Exception e) {
		logger.error("values {}",  cacheKeyName, e);
	} finally {
		Streams.safeClose(jedis);
	}
	return vals;
}

Source File: Generator.java From flash-waimai with MIT License

5 votes

public String generateCode(String packageName, String templatePath) throws IOException {
    VelocityContext context = new VelocityContext();
    context.put("table", table);
    context.put("packageName", packageName);
    StringWriter writer = new StringWriter();

    String template = new String(Streams.readBytes(ClassLoader.getSystemResourceAsStream(templatePath)),
                                 Charset.forName("utf8"));
    VelocityEngine engine = new VelocityEngine();
    engine.setProperty("runtime.references.strict", false);
    engine.init();
    engine.evaluate(context, writer, "generator", template);
    return writer.toString();

}

Source File: BeetlViewMaker.java From beetl2.0 with BSD 3-Clause "New" or "Revised" License

5 votes

public void init() throws IOException {
    log.debug("beetl init ....");
    Configuration cfg = Configuration.defaultConfiguration();
    Properties prop = new Properties();
    InputStream ins = Configuration.class.getResourceAsStream("/beetl.properties");
    if (ins != null) {
        log.debug("found beetl.properties, loading ...");
        try {
            prop.load(ins);
        }
        finally {
            Streams.safeClose(ins);
        }
    }
    if (!prop.containsKey(Configuration.RESOURCE_LOADER)) {
        // 默认选用WebAppResourceLoader,除非用户自定义了RESOURCE_LOADER
        log.debug("no custom RESOURCE_LOADER found , select WebAppResourceLoader");
        cfg.setResourceLoader(WebAppResourceLoader.class.getName());
    }
    if (!prop.containsKey(Configuration.DIRECT_BYTE_OUTPUT)) {
        // 默认启用DIRECT_BYTE_OUTPUT,除非用户自定义, 一般不会.
        log.debug("no custom DIRECT_BYTE_OUTPUT found , set to true");
        // 当DIRECT_BYTE_OUTPUT为真时, beetl渲染会通过getOutputStream获取输出流
        // 而BeetlView会使用LazyResponseWrapper代理getOutputStream方法
        // 从而实现在模板输出之前,避免真正调用getOutputStream
        // 这样@Fail视图就能正常工作了
        cfg.setDirectByteOutput(true);
    }
    if (!prop.containsKey(Configuration.ERROR_HANDLER)) {
        // 没有自定义ERROR_HANDLER,用定制的
        cfg.setErrorHandlerClass(LogErrorHandler.class.getName());
    }
    groupTemplate = new GroupTemplate(cfg);
    render = new WebRender(groupTemplate);
    log.debug("beetl init complete");
}

Source File: Wxs.java From nutzwx with Apache License 2.0

5 votes

/**
 * 将一个输入流转为WxInMsg
 */
public static <T> T convert(InputStream in, Class<T> klass) {
    Map<String, Object> map;
    String raw;
    try {
        // fix:
        // DocumentBuilder不支持直接传入Reader,如果直接传InputStream的话又按系统默认编码,所以,用InputSource中转一下
        Reader r = Streams.utf8r(in);
        raw = Lang.readAll(r);
        map = Xmls.asMap(xmls().parse(new InputSource(new StringReader(raw)))
                               .getDocumentElement());
    }
    catch (Exception e) {
        throw Lang.wrapThrow(e);
    }
    Lang.convertMapKey(map, new MapKeyConvertor() {
        @Override
        public String convertKey(String key) {
            return Strings.lowerFirst(key);
        }
    }, true);

    if (DEV_MODE) {
        log.debug("Income >> \n" + Json.toJson(map));
    }
    T t = Lang.map2Object(map, klass);
    if (t instanceof WxInMsg)
        ((WxInMsg) t).raw(raw);
    else if (t instanceof WxOutMsg)
        ((WxOutMsg) t).raw(raw);
    return t;
}

Source File: JedisAgenAccessTokenStore.java From nutzwx with Apache License 2.0

5 votes

public void save(String token, int expires, long lastCacheTimeMillis) {
    Map<String, String> map = new HashMap<String, String>();
    map.put("token", token);
    map.put("expires", "" + expires);
    map.put("lastCacheTimeMillis", "" + lastCacheTimeMillis);
    Jedis jedis = null;
    try {
        jedis = jedisAgent.getResource();
        jedis.hmset(tokenKey, map);
    } finally {
        Streams.safeClose(jedis);
    }
}

Source File: JedisAgenAccessTokenStore.java From nutzwx with Apache License 2.0

5 votes

public WxAccessToken get() {
    Map<String, String> map;
    Jedis jedis = null;
    try {
        jedis = jedisAgent.getResource();
        map = jedis.hgetAll(tokenKey);
    } finally {
        Streams.safeClose(jedis);
    }
    if (map == null || map.isEmpty())
        return null;
    return Lang.map2Object(map, WxAccessToken.class);
}

Source File: SnakerIocLoader.java From snakerflow with Apache License 2.0

5 votes

protected static SnakerEngine buildSnaker(DataSource ds, Object...paths) throws IOException {
 	// 首先,我们构建一个snaker的上下文
 	SimpleContext ctx = new SimpleContext();
 	// 将集成nutz所必须的两个类,关联之. 这样使用者仅需要声明本IocLoader即可完成全部配置
 	ctx.put(NutzAccess.class.getName(), NutzAccess.class);
 	ctx.put(NutzTransactionInterceptor.class.getName(), NutzTransactionInterceptor.class);
 	// 开始构建sanker的配置对象
 	Configuration cnf = new Configuration(ctx);
     cnf.initAccessDBObject(ds);
     SnakerEngine engine = cnf.buildSnakerEngine();
     // 如果用户声明了流程描述文件的路径,加载之
     if (paths != null) {
     	for (Object path : paths) {
	for(NutResource re : Scans.me().scan(String.valueOf(path))) {
		if (log.isDebugEnabled())
			log.debug("Found snakerflow xml > " + re.getName());
		//*********************************************************
		// 这部分属于hack的部分, 因为snaker并不识别相同的流程配置,而是简单地作为新流程
		// 所以,需要自行查询一下是不是数据相同,不一样的时候才deploy
		byte[] data = Streams.readBytesAndClose(re.getInputStream());
		ProcessModel model = ModelParser.parse(data);
		List<Process> list = ctx.find(DBAccess.class).queryList(Process.class, querySql, model.getName());
		if (!list.isEmpty()) {
			Process p = list.get(0);
			byte[] cnt = p.getDBContent();
			if (cnt != null && Arrays.equals(cnt, data)) {
				log.debug("Same  snakerflow xml > " + re.getName() + " skiped");
				continue;
			}
		}
		//*********************************************************
		// 同名的流程数据有更新或这是全新的流程,部署之
		engine.process().deploy(new ByteArrayInputStream(data));
	}
}
     }
     // 工厂方法完成, snaker引擎已经准备好了,可以返回了
     return engine;
 }

Source File: Generator.java From web-flash with MIT License

5 votes

public String generateCode(String packageName, String templatePath) throws IOException {
    VelocityContext context = new VelocityContext();
    context.put("table", table);
    context.put("packageName", packageName);
    StringWriter writer = new StringWriter();

    String template = new String(Streams.readBytes(ClassLoader.getSystemResourceAsStream(templatePath)),
                                 Charset.forName("utf8"));
    VelocityEngine engine = new VelocityEngine();
    engine.setProperty("runtime.references.strict", false);
    engine.init();
    engine.evaluate(context, writer, "generator", template);
    return writer.toString();

}

Source File: JedisCacheManager.java From NutzSite with Apache License 2.0

5 votes

@Override
public void clear() throws CacheException {
	Jedis jedis = null;
	try {
		jedis = jedisAgent.getResource();
		jedis.hdel(JedisUtils.getBytesKey(cacheKeyName));
		logger.debug("clear {}", cacheKeyName);
	} catch (Exception e) {
		logger.error("clear {}", cacheKeyName, e);
	} finally {
		Streams.safeClose(jedis);
	}
}

Source File: JedisCacheManager.java From NutzSite with Apache License 2.0

5 votes

@SuppressWarnings("unchecked")
@Override
      @Aop("redis")
public V get(K key) throws CacheException {
	if (key == null){
		return null;
	}
	
	V v = null;
	HttpServletRequest request = Mvcs.getReq();
	if (request != null){
		v = (V)request.getAttribute(cacheKeyName);
		if (v != null){
			return v;
		}
	}
	
	V value = null;
	Jedis jedis = null;
	try {
		jedis = jedisAgent.getResource();
              value = (V) jedis().hget(JedisUtils.getBytesKey(cacheKeyName),JedisUtils.getBytesKey(cacheKeyName));
		logger.debug("get {} {} {}", cacheKeyName, key, request != null ? request.getRequestURI() : "");
	} catch (Exception e) {
		logger.error("get {} {} {}", cacheKeyName, key, request != null ? request.getRequestURI() : "", e);
	} finally {
		Streams.safeClose(jedis);
	}
	
	if (request != null && value != null){
		request.setAttribute(cacheKeyName, value);
	}
	
	return value;
}

Source File: TcpRpcEndpoint.java From nutzcloud with Apache License 2.0

4 votes

public void destroyObject(SocketAddress key, PooledObject<SocketHolder> p) throws Exception {
    Streams.safeClose(p.getObject().socket);
}

Source File: HttpTool.java From mpsdk4j with Apache License 2.0

4 votes

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);
    }
}

Source File: Wxs.java From nutzwx with Apache License 2.0

4 votes

/**
 * 用一个wxHandler处理对应的用户请求
 */
public static View handle(WxHandler wxHandler, HttpServletRequest req, String key)
        throws IOException {
    if (wxHandler == null) {
        log.info("WxHandler is NULL");
        return HttpStatusView.HTTP_502;
    }
    String signature = req.getParameter("signature");
    String timestamp = req.getParameter("timestamp");
    String nonce = req.getParameter("nonce");
    String msg_signature = req.getParameter("msg_signature");
    String encrypt_type = req.getParameter("encrypt_type");
    if (!wxHandler.check(signature, timestamp, nonce, key)) {
        log.info("token is invalid");
        return HttpStatusView.HTTP_502;
    }
    if ("GET".equalsIgnoreCase(req.getMethod())) {
        String echostr = req.getParameter("echostr");
        log.info("GET? return echostr=" + echostr);
        return new ViewWrapper(new RawView(null), echostr);
    }
    String postData = Streams.readAndClose(new InputStreamReader(req.getInputStream(),
                                                                 Encoding.CHARSET_UTF8));

    if ("aes".equals(encrypt_type)) {
        WXBizMsgCrypt msgCrypt = wxHandler.getMsgCrypt();
        try {
            // 若抛出Illegal key size,请更新JDK的加密库为不限制长度
            postData = msgCrypt.decryptMsg(msg_signature, timestamp, nonce, postData);
        }
        catch (AesException e) {
            return new HttpStatusView(403);
        }
    }
    WxInMsg in = Wxs.convert(postData);
    in.setExtkey(key);
    WxOutMsg out = wxHandler.handle(in);
    if (out != null) {
        Wxs.fix(in, out);
    }
    return new ViewWrapper(WxView.me, out);
}

Source File: JedisSessionDAO.java From NutzSite with Apache License 2.0

4 votes

@Override
    public void update(Session session) throws UnknownSessionException {
        if (session == null || session.getId() == null) {
            return;
        }

        HttpServletRequest request = Mvcs.getReq();
        if (request != null){
            String uri = request.getServletPath();
            // 如果是静态文件，则不更新SESSION
            if (isStaticFile(uri)){
                return;
            }

            // 手动控制不更新SESSION
//            if (Global.NO.equals(request.getParameter("updateSession"))){
//                return;
//            }
        }

        Jedis jedis = null;
        try {

            jedis = jedisAgent.getResource();

            // 获取登录者编号
            PrincipalCollection pc = (PrincipalCollection)session.getAttribute(DefaultSubjectContext.PRINCIPALS_SESSION_KEY);
            String principalId = pc != null ? pc.getPrimaryPrincipal().toString() : StringUtils.EMPTY;

            jedis.hset(sessionKeyPrefix, session.getId().toString(), principalId + "|" + session.getTimeout() + "|" + session.getLastAccessTime().getTime());
            jedis.set(JedisUtils.getBytesKey(sessionKeyPrefix + session.getId()), JedisUtils.toBytes(session));

            // 设置超期时间
            int timeoutSeconds = (int)(session.getTimeout() / 1000);
            jedis.expire((sessionKeyPrefix + session.getId()), timeoutSeconds);

            logger.debug("update {} {}", session.getId(), request != null ? request.getRequestURI() : "");
        } catch (Exception e) {
            logger.error("update {} {}", session.getId(), request != null ? request.getRequestURI() : "", e);
        } finally {
           Streams.safeClose(jedis);
        }
    }

org.nutz.lang.Streams Java Examples