content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.component.quickfixj.examples;
  
  import java.io.BufferedReader;
  import java.io.InputStreamReader;
  import java.net.URL;
  import java.net.URLConnection;
  import java.util.UUID;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.Exchange;
  import org.apache.camel.Header;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.quickfixj.MessagePredicate;
  import org.apache.camel.component.quickfixj.QuickfixjEndpoint;
  import org.apache.camel.component.quickfixj.QuickfixjEventCategory;
  import org.apache.camel.component.quickfixj.QuickfixjProducer;
  import org.apache.camel.component.quickfixj.examples.transform.QuickfixjMessageJsonPrinter;
  import org.apache.camel.component.quickfixj.examples.transform.QuickfixjMessageJsonTransformer;
  import org.apache.camel.component.quickfixj.examples.util.CountDownLatchDecrementer;
  import org.apache.camel.impl.DefaultCamelContext;
  import org.apache.camel.util.IOHelper;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import quickfix.FieldNotFound;
  import quickfix.SessionID;
  import quickfix.field.AvgPx;
  import quickfix.field.ClOrdID;
  import quickfix.field.CumQty;
  import quickfix.field.ExecID;
  import quickfix.field.ExecTransType;
  import quickfix.field.ExecType;
  import quickfix.field.LeavesQty;
  import quickfix.field.MsgType;
  import quickfix.field.OrdStatus;
  import quickfix.field.OrderID;
  import quickfix.field.Side;
  import quickfix.field.Symbol;
  import quickfix.fix42.ExecutionReport;
  import quickfix.fix42.OrderStatusRequest;
  
  public class RequestReplyExample {
      private static final Logger LOG = LoggerFactory.getLogger(RequestReplyExample.class);
  
      public static void main(String[] args) throws Exception {
          new RequestReplyExample().run();
      }
  
      public void run() throws Exception {
          final CamelContext context = new DefaultCamelContext();
          final CountDownLatch logonLatch = new CountDownLatch(1);
          final String orderStatusServiceUrl = "http://localhost:9123/order/status";
  
          RouteBuilder routes = new RouteBuilder() {
              @Override
              public void configure() throws Exception {
                  // Synchronize the logon so we don't start sending status requests too early
                  from("quickfix:examples/inprocess.qf.cfg?sessionID=FIX.4.2:TRADER->MARKET")
                          .filter(header(QuickfixjEndpoint.EVENT_CATEGORY_KEY).isEqualTo(QuickfixjEventCategory.SessionLogon))
                          .bean(new CountDownLatchDecrementer("logon", logonLatch));
  
                  // Incoming status requests are passed to the order status service and afterwards we print out that
                  // order status being delivered using the json printer.
                  from("quickfix:examples/inprocess.qf.cfg?sessionID=FIX.4.2:MARKET->TRADER&exchangePattern=InOut")
                          .filter(header(QuickfixjEndpoint.MESSAGE_TYPE_KEY).isEqualTo(MsgType.ORDER_STATUS_REQUEST))
                          .to("log://OrderStatusRequestLog?showAll=true&multiline=true")
                          .bean(new MarketOrderStatusService())
                          .bean(new QuickfixjMessageJsonPrinter());
  
                  from("jetty:" + orderStatusServiceUrl)
                          .bean(new OrderStatusRequestTransformer())
                          .routingSlip(method(FixSessionRouter.class, "route"))
                          .bean(new QuickfixjMessageJsonTransformer(), "transform(${body})");
              }
          };
  
          context.addRoutes(routes);
  
          LOG.info("Starting Camel context");
          context.start();
  
          if (!logonLatch.await(5L, TimeUnit.SECONDS)) {
              throw new IllegalStateException("Logon did not succeed");
          }
  
          // Send a request to the order status web service.
          // Verify that the response is a JSON response.
  
          URL orderStatusUrl = new URL(orderStatusServiceUrl + "?sessionID=FIX.4.2:TRADER->MARKET&orderID=abc");
          URLConnection connection = orderStatusUrl.openConnection();
          BufferedReader orderStatusReply = IOHelper.buffered(new InputStreamReader(connection.getInputStream()));
          String line = orderStatusReply.readLine();
          if (!line.equals("\"message\": {")) {
              throw new Exception("Don't appear to be a JSON response");
          } else {
              StringBuilder sb = new StringBuilder();
              while (line != null) {
                  sb.append(line);
                  sb.append('\n');
                  line = orderStatusReply.readLine();
              }
              LOG.info("Web reply:\n{}", sb);
          }
          orderStatusReply.close();
  
          LOG.info("Shutting down Camel context");
          context.stop();
  
          LOG.info("Example complete");
      }
  
      public static class OrderStatusRequestTransformer {
          private static final Logger LOG = LoggerFactory.getLogger(OrderStatusRequestTransformer.class);
  
          public void transform(Exchange exchange) throws FieldNotFound {
              // For the reply take the reverse sessionID into the account, see org.apache.camel.component.quickfixj.MessagePredicate
              String requestSessionID = exchange.getIn().getHeader("sessionID", String.class);
              String replySessionID = "FIX.4.2:MARKET->TRADER";
              LOG.info("Given the requestSessionID '{}' calculated the replySessionID as '{}'", requestSessionID, replySessionID);
  
              String orderID = exchange.getIn().getHeader("orderID", String.class);
  
              OrderStatusRequest request = new OrderStatusRequest(new ClOrdID("XYZ"), new Symbol("GOOG"), new Side(Side.BUY));
              request.set(new OrderID(orderID));
  
              // Look for a reply execution report back to the requester session
              // and having the requested OrderID. This is a loose correlation but the best
              // we can do with FIX 4.2. Newer versions of FIX have an optional explicit correlation field.
              exchange.setProperty(QuickfixjProducer.CORRELATION_CRITERIA_KEY, new MessagePredicate(
                      new SessionID(replySessionID), MsgType.EXECUTION_REPORT).withField(OrderID.FIELD,
                              request.getString(OrderID.FIELD)));
  
              exchange.getIn().setBody(request);
          }
      }
  
      public static class MarketOrderStatusService {
          private static final Logger LOG = LoggerFactory.getLogger(MarketOrderStatusService.class);
  
          public ExecutionReport getOrderStatus(OrderStatusRequest request) throws FieldNotFound {
              LOG.info("Received order status request for orderId={}", request.getOrderID().getValue());
              return new ExecutionReport(
                      request.getOrderID(),
                      new ExecID(UUID.randomUUID().toString()),
                      new ExecTransType(ExecTransType.STATUS),
                      new ExecType(ExecType.REJECTED),
                      new OrdStatus(OrdStatus.REJECTED),
                      new Symbol("GOOG"),
                      new Side(Side.BUY),
                      new LeavesQty(100),
                      new CumQty(0),
                      new AvgPx(0));
          }
      }
  
      public static class FixSessionRouter {
          public String route(@Header("sessionID") String sessionID) {
              return String.format("quickfix:examples/inprocess.qf.cfg?sessionID=%s", sessionID);
          }
      }
  }
  