com.networknt.handler.Handler.next()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中com.networknt.handler.Handler.next()方法的一些代码示例,展示了Handler.next()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Handler.next()方法的具体详情如下:
包路径:com.networknt.handler.Handler
类名称:Handler
方法名:next

Handler.next介绍

[英]Handle the next request in the chain.
[中]处理链中的下一个请求。

代码示例

代码示例来源:origin: networknt/light-4j

/**
 * Go to the next handler if the given next is none null. Reason for this is for
 * middleware to provide their instance next if it exists. Since if it exists,
 * the server hasn't been able to find the handler.yml.
 *
 * @param httpServerExchange
 *            The current requests server exchange.
 * @param next
 *            The next HttpHandler to go to if it's not null.
 * @throws Exception exception
 */
public static void next(HttpServerExchange httpServerExchange, HttpHandler next) throws Exception {
  if (next != null) {
    next.handleRequest(httpServerExchange);
  } else {
    next(httpServerExchange);
  }
}

代码示例来源:origin: networknt/light-4j

@Override
  public void handleRequest(HttpServerExchange exchange) throws Exception {
    if (Handler.start(exchange)) {
      Handler.next(exchange);
    } else {
      // There is no matching path/method combination. Check if there are defaultHandlers defined.
      if(Handler.startDefaultHandlers(exchange)) {
        Handler.next(exchange);
      } else {
        String methodPath = String.format("Method: %s, RequestPath: %s", exchange.getRequestMethod(), exchange.getRequestPath());
        setExchangeStatus(exchange, MISSING_HANDlER, methodPath);
      }
    }
  }
}

代码示例来源:origin: networknt/light-4j

@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
  InetSocketAddress peer = exchange.getSourceAddress();
  String endpoint = exchange.getRelativePath() + "@" + exchange.getRequestMethod().toString().toLowerCase();
  if (!isAllowed(peer.getAddress(), endpoint)) {
    setExchangeStatus(exchange, INVALID_IP_FOR_PATH, peer.toString(), endpoint);
    return;
  }
  Handler.next(exchange, next);
}

代码示例来源:origin: networknt/light-4j

@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
  SimpleTimer respTimer = new SimpleTimer();
  exchange.addExchangeCompleteListener((exchange1, nextListener) -> {
    Map<String, Object> auditInfo = exchange1.getAttachment(AuditHandler.AUDIT_INFO);
    if(auditInfo != null) {
      Map<String, String> tags = new HashMap<>();
      tags.put("endpoint", (String)auditInfo.get(Constants.ENDPOINT_STRING));
      tags.put("clientId", auditInfo.get(Constants.CLIENT_ID_STRING) != null ? (String)auditInfo.get(Constants.CLIENT_ID_STRING) : "unknown");
      List<String> labels = new ArrayList<>(tags.keySet());
      List<String> labelValues = new ArrayList<>(tags.values());
      summary(RERSPONSE_TIME_SECOND, labels).labels(labelValues.stream().toArray(String[]::new)).observe(respTimer.elapsedSeconds());
      incCounterForStatusCode(exchange1.getStatusCode(), labels, labelValues);
    }
    nextListener.proceed();
  });
  Handler.next(exchange, next);
}

代码示例来源:origin: networknt/light-4j

return;
Handler.next(exchange, next);

代码示例来源:origin: networknt/light-4j

@Override
  public void handleRequest(HttpServerExchange exchange) throws Exception {
    AllowedContentEncodings encodings = contentEncodingRepository.getContentEncodings(exchange);
    if (encodings == null || !exchange.isResponseChannelAvailable()) {
      Handler.next(exchange, next);
    } else if (encodings.isNoEncodingsAllowed()) {
      setExchangeStatus(exchange, NO_ENCODING_HANDLER);
      return;
    } else {
      exchange.addResponseWrapper(encodings);
      exchange.putAttachment(AllowedContentEncodings.ATTACHMENT_KEY, encodings);
      Handler.next(exchange, next);
    }
  }
}

代码示例来源:origin: networknt/light-4j

@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
  // check if the cid is in the request header
  String cId = exchange.getRequestHeaders().getFirst(HttpStringConstants.CORRELATION_ID);
  if(cId == null) {
    // if not, generate a UUID and put it into the request header
    cId = Util.getUUID();
    exchange.getRequestHeaders().put(HttpStringConstants.CORRELATION_ID, cId);
  }
  // Add the cId into MDC so that all log statement will have cId as part of it.
  MDC.put(CID, cId);
  //logger.debug("Init cId:" + cId);
  Handler.next(exchange, next);
}

代码示例来源:origin: networknt/light-4j

@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
  String tid = exchange.getRequestHeaders().getFirst(HttpStringConstants.TRACEABILITY_ID);
  if(tid != null) {
    exchange.getResponseHeaders().put(HttpStringConstants.TRACEABILITY_ID, tid);
  }
  Handler.next(exchange, next);
}

代码示例来源:origin: networknt/light-4j

Handler.next(exchange, next);

代码示例来源:origin: networknt/light-4j

auditFunc.accept(Config.getInstance().getMapper().writeValueAsString(auditMap));
Handler.next(exchange, next);

代码示例来源:origin: networknt/light-4j

@Override
  public void handleRequest(HttpServerExchange exchange) throws Exception {
    ConduitWrapper<StreamSourceConduit> encodings = requestEncodings.get(exchange.getRequestHeaders().getFirst(Headers.CONTENT_ENCODING));
    if (encodings != null && exchange.isRequestChannelAvailable()) {
      exchange.addRequestWrapper(encodings);
      // Nested handlers or even servlet filters may implement logic to decode encoded request data.
      // Since the data is no longer encoded, we remove the encoding header.
      exchange.getRequestHeaders().remove(Headers.CONTENT_ENCODING);
    }
    Handler.next(exchange, next);
  }
}

代码示例来源:origin: networknt/light-4j

/**
 * Allow nexting directly to a flow.
 *
 * @param httpServerExchange
 *            The current requests server exchange.
 * @param execName
 *            The name of the next executable to go to, ie chain or handler.
 *            Chain resolved first.
 * @param returnToOrigFlow
 *            True if you want to call the next handler defined in your original
 *            chain after the provided execName is completed. False otherwise.
 * @throws Exception exception
 *
 */
public static void next(HttpServerExchange httpServerExchange, String execName, Boolean returnToOrigFlow)
    throws Exception {
  String currentChainId = httpServerExchange.getAttachment(CHAIN_ID);
  Integer currentNextIndex = httpServerExchange.getAttachment(CHAIN_SEQ);
  httpServerExchange.putAttachment(CHAIN_ID, execName);
  httpServerExchange.putAttachment(CHAIN_SEQ, 0);
  next(httpServerExchange);
  // return to current flow.
  if (returnToOrigFlow) {
    httpServerExchange.putAttachment(CHAIN_ID, currentChainId);
    httpServerExchange.putAttachment(CHAIN_SEQ, currentNextIndex);
    next(httpServerExchange);
  }
}

代码示例来源:origin: networknt/light-4j

@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
  HeaderMap headers = exchange.getRequestHeaders();
  if (CorsUtil.isCoreRequest(headers)) {
    if (isPreflightedRequest(exchange)) {
      handlePreflightRequest(exchange);
      return;
    }
    setCorsResponseHeaders(exchange);
  }
  Handler.next(exchange, next);
}

代码示例来源:origin: networknt/light-4j

@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
  long startTime = Clock.defaultClock().getTick();
  exchange.addExchangeCompleteListener((exchange1, nextListener) -> {
    Map<String, Object> auditInfo = exchange1.getAttachment(AuditHandler.AUDIT_INFO);
    if(auditInfo != null) {
      Map<String, String> tags = new HashMap<>();
      tags.put("endpoint", (String)auditInfo.get(Constants.ENDPOINT_STRING));
      tags.put("clientId", auditInfo.get(Constants.CLIENT_ID_STRING) != null ? (String)auditInfo.get(Constants.CLIENT_ID_STRING) : "unknown");
      long time = Clock.defaultClock().getTick() - startTime;
      MetricName metricName = new MetricName("response_time");
      metricName = metricName.tagged(commonTags);
      metricName = metricName.tagged(tags);
      registry.getOrAdd(metricName, MetricRegistry.MetricBuilder.TIMERS).update(time, TimeUnit.NANOSECONDS);
      incCounterForStatusCode(exchange1.getStatusCode(), commonTags, tags);
    }
    nextListener.proceed();
  });
  
  Handler.next(exchange, next);
}

代码示例来源:origin: networknt/light-4j

@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
  // check if the token is in the request Authorization header
  String token = exchange.getRequestHeaders().getFirst(Headers.AUTHORIZATION);
  if(token == null) {
    setExchangeStatus(exchange, MISSING_AUTH_TOKEN);
    return;
  } else {
    // ignore it and let it go if the token format is JWT
    if(token.indexOf('.') < 0) {
      // this is a by reference token
      DerefRequest request = new DerefRequest(token);
      String response = OauthHelper.derefToken(request);
      if(response == null || response.trim().length() == 0) {
        setExchangeStatus(exchange, EMPTY_TOKEN_DEREFERENCE_RESPONSE, token);
        return;
      }
      if(response.startsWith("{")) {
        // an error status returned from OAuth 2.0 provider. We cannot assume that light-oauth2
        // is used but still need to convert the error message to a status to wrap the error.
        setExchangeStatus(exchange, TOKEN_DEREFERENCE_ERROR, response);
        return;
      } else {
        // now consider the response it jwt
        exchange.getRequestHeaders().put(Headers.AUTHORIZATION, "Bearer " + response);
      }
    }
  }
  Handler.next(exchange, next);
}

代码示例来源:origin: networknt/light-4j

Handler.next(exchange, next);

代码示例来源:origin: networknt/light-4j

@Override
 public void handleRequest(final HttpServerExchange exchange) throws Exception {
  if (exchange.getRequestHeaders().contains(Headers.CONTENT_TYPE)) {
   exchange
    .getResponseHeaders()
    .put(Headers.CONTENT_TYPE, exchange.getRequestHeaders().get(Headers.CONTENT_TYPE).element());
  } else {
   exchange
    .getResponseHeaders()
    .put(Headers.CONTENT_TYPE, contentType);
  }
  Handler.next(exchange, next);
 }
}

代码示例来源:origin: networknt/light-4j

Handler.next(exchange, next);

代码示例来源:origin: networknt/light-4j

@Override
  public void handleRequest(final HttpServerExchange exchange) throws Exception {
    if (exchange.isInIoThread()) {
      exchange.dispatch(this);
      return;
    }
    if(isEnabled()) {
      Map<String, Object> result = new LinkedHashMap<>();
      //create rootDumper which will do dumping.
      RootDumper rootDumper = new RootDumper(config, exchange);
      //dump request info into result right away
      rootDumper.dumpRequest(result);
      //only add response wrapper when response config is not set to "false"
      if(config.isResponseEnabled()) {
        //set Conduit to the conduit chain to store response body
        exchange.addResponseWrapper((factory, exchange12) -> new StoreResponseStreamSinkConduit(factory.create(), exchange12));
      }
      //when complete exchange, dump response info to result, and log the result.
      exchange.addExchangeCompleteListener((exchange1, nextListener) ->{
        rootDumper.dumpResponse(result);
        //log the result
        DumpHelper.logResult(result, config);
        nextListener.proceed();
      });
    }
    Handler.next(exchange, next);
  }
}

代码示例来源:origin: networknt/light-4j

Handler.next(exchange, next);
} catch (Throwable e) {
  logger.error("Exception:", e);

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