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/* * 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.synapse.transport.fix.message; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.util.Iterator; import java.util.List; import javax.activation.DataHandler; import javax.activation.DataSource; import org.apache.axiom.attachments.ByteArrayDataSource; import org.apache.axiom.om.OMElement; import org.apache.axiom.soap.SOAPEnvelope; import org.apache.axiom.soap.SOAPFactory; import org.apache.axiom.soap.impl.llom.soap11.SOAP11Factory; import org.apache.axis2.AxisFault; import org.apache.axis2.Constants; import org.apache.axis2.builder.Builder; import org.apache.axis2.context.MessageContext; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import quickfix.DataDictionary; import quickfix.DefaultDataDictionaryProvider; import quickfix.FieldMap; import quickfix.Group; import quickfix.InvalidMessage; import quickfix.MessageUtils; import quickfix.field.BeginString; /** * Fix message builder prepares a payload based on the incoming raw fix message * read from the * destination,the implementation only focusing the building the message * context, there will be * limitations such as when build message there wont be fix session attribute * involved and the assumption * is that the fix client and executor has the responsibilities of managing fix * session accordingly * */ public class FIXMessageBuilder implements Builder { private static final Log log = LogFactory.getLog(FIXMessageBuilder.class); public OMElement processDocument(InputStream inputStream, String contentType, MessageContext messageContext) throws AxisFault { Reader reader = null; StringBuilder messageString = new StringBuilder(); quickfix.Message message = null; try { String charSetEncoding = (String) messageContext .getProperty(Constants.Configuration.CHARACTER_SET_ENCODING); if (charSetEncoding == null) { charSetEncoding = MessageContext.DEFAULT_CHAR_SET_ENCODING; } reader = new InputStreamReader(inputStream, charSetEncoding); try { int data = reader.read(); while (data != -1) { char dataChar = (char) data; data = reader.read(); messageString.append(dataChar); } } catch (Exception e) { // TODO Auto-generated catch block log.error("Error In creating FIX SOAP envelope ...", e); throw new AxisFault(e.getMessage()); } } catch (Exception e) { // TODO Auto-generated catch block log.error("Error In creating FIX SOAP envelope ...", e); throw new AxisFault(e.getMessage()); } try { DefaultDataDictionaryProvider dataDictionary = new DefaultDataDictionaryProvider(); String beginString = MessageUtils.getStringField(messageString.toString(), BeginString.FIELD); DataDictionary dataDic = dataDictionary.getSessionDataDictionary(beginString); message = new quickfix.Message(messageString.toString(), null, false); } catch (InvalidMessage e) { // TODO Auto-generated catch block log.error("Error In creating FIX SOAP envelope ...", e); throw new AxisFault(e.getMessage()); } if (log.isDebugEnabled()) { log.debug("Creating SOAP envelope for FIX message..."); } SOAPFactory soapFactory = new SOAP11Factory(); OMElement msg = soapFactory.createOMElement(FIXConstants.FIX_MESSAGE, null); msg.addAttribute(soapFactory.createOMAttribute(FIXConstants.FIX_MESSAGE_INCOMING_SESSION, null, "")); msg.addAttribute( soapFactory.createOMAttribute(FIXConstants.FIX_MESSAGE_COUNTER, null, String.valueOf("-1"))); OMElement header = soapFactory.createOMElement(FIXConstants.FIX_HEADER, null); OMElement body = soapFactory.createOMElement(FIXConstants.FIX_BODY, null); OMElement trailer = soapFactory.createOMElement(FIXConstants.FIX_TRAILER, null); // process FIX header Iterator<quickfix.Field<?>> iter = message.getHeader().iterator(); if (iter != null) { while (iter.hasNext()) { quickfix.Field<?> field = iter.next(); OMElement msgField = soapFactory.createOMElement(FIXConstants.FIX_FIELD, null); msgField.addAttribute(soapFactory.createOMAttribute(FIXConstants.FIX_FIELD_ID, null, String.valueOf(field.getTag()))); Object value = field.getObject(); if (value instanceof byte[]) { DataSource dataSource = new ByteArrayDataSource((byte[]) value); DataHandler dataHandler = new DataHandler(dataSource); String contentID = messageContext.addAttachment(dataHandler); OMElement binaryData = soapFactory.createOMElement(FIXConstants.FIX_BINARY_FIELD, null); String binaryCID = "cid:" + contentID; binaryData.addAttribute(FIXConstants.FIX_MESSAGE_REFERENCE, binaryCID, null); msgField.addChild(binaryData); } else { soapFactory.createOMText(msgField, value.toString(), OMElement.CDATA_SECTION_NODE); } header.addChild(msgField); } } // process FIX body convertFIXBodyToXML(message, body, soapFactory, messageContext); // process FIX trailer iter = message.getTrailer().iterator(); if (iter != null) { while (iter.hasNext()) { quickfix.Field<?> field = iter.next(); OMElement msgField = soapFactory.createOMElement(FIXConstants.FIX_FIELD, null); msgField.addAttribute(soapFactory.createOMAttribute(FIXConstants.FIX_FIELD_ID, null, String.valueOf(field.getTag()))); Object value = field.getObject(); if (value instanceof byte[]) { DataSource dataSource = new ByteArrayDataSource((byte[]) value); DataHandler dataHandler = new DataHandler(dataSource); String contentID = messageContext.addAttachment(dataHandler); OMElement binaryData = soapFactory.createOMElement(FIXConstants.FIX_BINARY_FIELD, null); String binaryCID = "cid:" + contentID; binaryData.addAttribute(FIXConstants.FIX_MESSAGE_REFERENCE, binaryCID, null); msgField.addChild(binaryData); } else { soapFactory.createOMText(msgField, value.toString(), OMElement.CDATA_SECTION_NODE); } trailer.addChild(msgField); } } msg.addChild(header); msg.addChild(body); msg.addChild(trailer); SOAPEnvelope envelope = soapFactory.getDefaultEnvelope(); envelope.getBody().addChild(msg); messageContext.setEnvelope(envelope); return msg; } /** * Constructs the XML infoset for the FIX message body * * @param message * the FIX message * @param body * the body element of the XML infoset * @param soapFactory * the SOAP factory to create XML elements * @param msgCtx * the Axis2 Message context * @throws AxisFault * on error */ private void convertFIXBodyToXML(FieldMap message, OMElement body, SOAPFactory soapFactory, MessageContext msgCtx) throws AxisFault { if (log.isDebugEnabled()) { log.debug("Generating FIX message body (Message ID: " + msgCtx.getMessageID() + ")"); } Iterator<quickfix.Field<?>> iter = message.iterator(); if (iter != null) { while (iter.hasNext()) { quickfix.Field<?> field = iter.next(); OMElement msgField = soapFactory.createOMElement(FIXConstants.FIX_FIELD, null); msgField.addAttribute(soapFactory.createOMAttribute(FIXConstants.FIX_FIELD_ID, null, String.valueOf(field.getTag()))); Object value = field.getObject(); if (value instanceof byte[]) { DataSource dataSource = new ByteArrayDataSource((byte[]) value); DataHandler dataHandler = new DataHandler(dataSource); String contentID = msgCtx.addAttachment(dataHandler); OMElement binaryData = soapFactory.createOMElement(FIXConstants.FIX_BINARY_FIELD, null); String binaryCID = "cid:" + contentID; binaryData.addAttribute(FIXConstants.FIX_MESSAGE_REFERENCE, binaryCID, null); msgField.addChild(binaryData); } else { soapFactory.createOMText(msgField, value.toString(), OMElement.CDATA_SECTION_NODE); } body.addChild(msgField); } } // process FIX repeating groups Iterator<Integer> groupKeyItr = message.groupKeyIterator(); if (groupKeyItr != null) { while (groupKeyItr.hasNext()) { int groupKey = groupKeyItr.next(); OMElement groupsField = soapFactory.createOMElement(FIXConstants.FIX_GROUPS, null); groupsField.addAttribute(FIXConstants.FIX_FIELD_ID, String.valueOf(groupKey), null); List<Group> groupList = message.getGroups(groupKey); Iterator<Group> groupIterator = groupList.iterator(); while (groupIterator.hasNext()) { Group msgGroup = groupIterator.next(); OMElement groupField = soapFactory.createOMElement(FIXConstants.FIX_GROUP, null); // rec. call the method to process the repeating groups convertFIXBodyToXML(msgGroup, groupField, soapFactory, msgCtx); groupsField.addChild(groupField); } body.addChild(groupsField); } } } }