| /* |
| * 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.servicemix.camel.nmr; |
| |
| import java.io.Serializable; |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.activation.DataHandler; |
| import javax.security.auth.Subject; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.ExchangePattern; |
| import org.apache.camel.Message; |
| import org.apache.camel.impl.DefaultExchange; |
| import org.apache.camel.impl.DefaultMessage; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.servicemix.nmr.api.Channel; |
| import org.apache.servicemix.nmr.api.Pattern; |
| |
| /** |
| * The binding object will help us to deal with copying between the NMR exchange and camel exchange |
| */ |
| public class ServiceMixBinding { |
| private final transient Log LOG = LogFactory.getLog(ServiceMixBinding.class); |
| public static final String NMR_MESSAGE = "nmrMessage"; |
| public static final String NMR_EXCHANGE = "nmrExchange"; |
| public static final String NMR_OPERATION = "nmrOperation"; |
| |
| public void copyCamelMessageToNmrMessage(org.apache.servicemix.nmr.api.Message nmrMessage, Message camelMessage) { |
| if (nmrMessage != null && camelMessage != null) { |
| nmrMessage.setBody(camelMessage.getBody()); |
| nmrMessage.getHeaders().clear(); |
| addNmrHeaders(nmrMessage, camelMessage); |
| nmrMessage.getAttachments().clear(); |
| nmrMessage.getAttachments().putAll(camelMessage.getAttachments()); |
| //addSecuritySubject(nmrMessage, camelMessage); |
| |
| // propagate the security subject |
| if (camelMessage.getHeader(Exchange.AUTHENTICATION, Subject.class) != null) { |
| nmrMessage.setSecuritySubject(camelMessage.getHeader(Exchange.AUTHENTICATION, Subject.class)); |
| } |
| } |
| } |
| |
| public void copyNmrMessageToCamelMessage(org.apache.servicemix.nmr.api.Message nmrMessage, Message camelMessage) { |
| camelMessage.setBody(nmrMessage.getBody()); |
| camelMessage.setHeader(NMR_MESSAGE, nmrMessage); |
| camelMessage.getHeaders().putAll(nmrMessage.getHeaders()); |
| addCamelAttachments(nmrMessage, camelMessage); |
| |
| // copy the security subject |
| if (nmrMessage.getSecuritySubject() != null) { |
| camelMessage.setHeader(Exchange.AUTHENTICATION, nmrMessage.getSecuritySubject()); |
| } |
| } |
| |
| public org.apache.servicemix.nmr.api.Exchange populateNmrExchangeFromCamelExchange(Exchange camelExchange, Channel client) { |
| org.apache.servicemix.nmr.api.Exchange e = client.createExchange( |
| Pattern.fromWsdlUri(camelExchange.getPattern().getWsdlUri())); |
| e.getProperties().putAll(camelExchange.getProperties()); |
| org.apache.servicemix.nmr.api.Message inMessage = e.getIn(); |
| copyCamelMessageToNmrMessage(inMessage, camelExchange.getIn()); |
| return e; |
| |
| } |
| |
| |
| public Exchange populateCamelExchangeFromNmrExchange(CamelContext context, org.apache.servicemix.nmr.api.Exchange nmrExchange) { |
| Exchange answer = new DefaultExchange(context); |
| answer.setPattern(ExchangePattern.fromWsdlUri(nmrExchange.getPattern().getWsdlUri())); |
| |
| // copy the nmrExchange's properties |
| answer.getProperties().putAll(nmrExchange.getProperties()); |
| |
| org.apache.servicemix.nmr.api.Message inMessage = nmrExchange.getIn(); |
| if (inMessage != null) { |
| Message message = new DefaultMessage(); |
| copyNmrMessageToCamelMessage(inMessage, message); |
| answer.setIn(message); |
| } |
| |
| answer.setProperty(NMR_EXCHANGE, nmrExchange); |
| if (nmrExchange != null && nmrExchange.getOperation() != null) { |
| answer.setProperty(NMR_OPERATION, nmrExchange.getOperation().toString()); |
| } |
| |
| return answer; |
| } |
| |
| |
| |
| protected void addNmrHeaders(org.apache.servicemix.nmr.api.Message nmrMessage, Message camelMessage) { |
| // get headers from the Camel in message |
| Set<Map.Entry<String, Object>> entries = camelMessage.getHeaders().entrySet(); |
| for (Map.Entry<String, Object> entry : entries) { |
| // skip the camel header's normalized Message |
| if (entry.getKey().equals(NMR_MESSAGE)) { |
| continue; |
| } |
| //check if value is Serializable, and if value is Map or collection, |
| //just exclude it since the entry of it may not be Serializable as well |
| if (entry.getValue() instanceof Serializable |
| && !(entry.getValue() instanceof Map) |
| && !(entry.getValue() instanceof Collection)) { |
| nmrMessage.setHeader(entry.getKey(), entry.getValue()); |
| } |
| } |
| |
| } |
| |
| protected void addCamelAttachments(org.apache.servicemix.nmr.api.Message nmrMessage, Message camelMessage) { |
| Set<String> names = nmrMessage.getAttachments().keySet(); |
| for (String name : names) { |
| if (nmrMessage.getAttachment(name) instanceof DataHandler) { |
| DataHandler dataHandler = (DataHandler) nmrMessage.getAttachment(name); |
| camelMessage.addAttachment(name, dataHandler); |
| } else { |
| LOG.warn("NMR attachement of " + name + " is not a instance of DataHandler, cannot copy it into Camel message."); |
| } |
| } |
| |
| } |
| |
| /** |
| * Extract the underlying NMR {@link org.apache.servicemix.nmr.api.Message} for a Camel message |
| * |
| * @param message the Camel Message |
| * @return the corresponding NMR message |
| */ |
| public org.apache.servicemix.nmr.api.Message getNmrMessage(Message message) { |
| if (message.getHeader(NMR_MESSAGE) != null) { |
| return message.getHeader(NMR_MESSAGE, org.apache.servicemix.nmr.api.Message.class); |
| } |
| return null; |
| } |
| |
| /** |
| * Extract the NMR Exchange from the Camel Exchange |
| * |
| * @param camel the Camel Exchange |
| * @return the NMR Exchange |
| */ |
| public org.apache.servicemix.nmr.api.Exchange extractNmrExchange(Exchange camel) { |
| return (org.apache.servicemix.nmr.api.Exchange) camel.getProperties().remove(NMR_EXCHANGE); |
| } |
| } |