org.nutz.lang.Streams Java Examples

The following examples show how to use org.nutz.lang.Streams. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

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);
    }
}

Example #2

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;
}

Example #3

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;
}

Example #4

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;
}

Example #5

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();

}

Example #6

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");
}

Example #7

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;
}

Example #8

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);
    }
}

Example #9

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);
}

Example #10

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;
 }

Example #11

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();

}

Example #12

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);
	}
}

Example #13

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;
}

Example #14

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);
}

Example #15

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);
    }
}

Example #16

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);
}

Example #17

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);
        }
    }