| /** |
| * 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.transform; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.component.quickfixj.QuickfixjEndpoint; |
| |
| import quickfix.ConfigError; |
| import quickfix.DataDictionary; |
| import quickfix.Message; |
| import quickfix.Session; |
| import quickfix.SessionID; |
| |
| public class QuickfixjEventJsonTransformer { |
| private final QuickfixjMessageJsonTransformer renderer; |
| |
| public QuickfixjEventJsonTransformer() throws ConfigError { |
| renderer = new QuickfixjMessageJsonTransformer(); |
| } |
| |
| public String transform(Exchange exchange) { |
| SessionID sessionID = (SessionID) exchange.getIn().getHeader(QuickfixjEndpoint.SESSION_ID_KEY); |
| Session session = Session.lookupSession(sessionID); |
| DataDictionary dataDictionary = session.getDataDictionary(); |
| |
| if (dataDictionary == null) { |
| throw new IllegalStateException("No Data Dictionary. Exchange must reference an existing session"); |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append("\"event\": {\n"); |
| |
| org.apache.camel.Message in = exchange.getIn(); |
| for (String key : in.getHeaders().keySet()) { |
| sb.append(" \"").append(key).append("\": ").append(in.getHeader(key)).append(",\n"); |
| } |
| |
| sb.append(renderer.transform(in.getBody(Message.class), " ", dataDictionary)).append("\n"); |
| sb.append("}\n"); |
| return sb.toString(); |
| } |
| } |