| /* |
| * 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.message.processors.forward; |
| |
| import org.apache.axiom.om.OMAbstractFactory; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axiom.soap.SOAP12Constants; |
| import org.apache.axiom.soap.SOAPEnvelope; |
| import org.apache.axiom.soap.SOAPFactory; |
| import org.apache.axis2.AxisFault; |
| import org.apache.axis2.Constants; |
| import org.apache.axis2.addressing.AddressingConstants; |
| import org.apache.axis2.addressing.EndpointReference; |
| import org.apache.axis2.client.OperationClient; |
| import org.apache.axis2.client.Options; |
| import org.apache.axis2.client.ServiceClient; |
| import org.apache.axis2.context.ConfigurationContext; |
| import org.apache.axis2.context.ConfigurationContextFactory; |
| import org.apache.axis2.description.Parameter; |
| import org.apache.axis2.description.WSDL2Constants; |
| import org.apache.axis2.transport.http.HTTPConstants; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.synapse.MessageContext; |
| import org.apache.synapse.SynapseConstants; |
| import org.apache.synapse.SynapseException; |
| import org.apache.synapse.core.axis2.Axis2MessageContext; |
| import org.apache.synapse.endpoints.EndpointDefinition; |
| import org.apache.synapse.util.MessageHelper; |
| |
| |
| import java.util.Iterator; |
| |
| public class BlockingMessageSender { |
| |
| private ServiceClient sc = null; |
| |
| |
| public final static String DEFAULT_CLIENT_REPO = "./samples/axis2Client/client_repo"; |
| public final static String DEFAULT_AXIS2_XML = "./samples/axis2Client/client_repo/conf/axis2.xml"; |
| |
| |
| private String clientRepository = null; |
| private String axis2xml = null; |
| |
| private static Log log = LogFactory.getLog(BlockingMessageSender.class); |
| |
| private ConfigurationContext configurationContext = null; |
| |
| public void init() { |
| try { |
| configurationContext |
| = ConfigurationContextFactory.createConfigurationContextFromFileSystem( |
| clientRepository != null ? clientRepository : DEFAULT_CLIENT_REPO, |
| axis2xml != null ? axis2xml : DEFAULT_AXIS2_XML); |
| sc = new ServiceClient(configurationContext, null); |
| } catch (AxisFault e) { |
| String msg = "Error initializing BlockingMessageSender : " + e.getMessage(); |
| log.error(msg, e); |
| throw new SynapseException(msg, e); |
| } |
| } |
| |
| /** |
| * Send the message to a given AddressEndpoint in a blocking manner |
| * @param endpoint EndpointDefinition for the given address endpoint |
| * @param messageIn Synapse Message Context to be sent |
| * @return OutPut message Context |
| * @throws Exception |
| */ |
| public MessageContext send(EndpointDefinition endpoint, MessageContext messageIn) |
| throws Exception { |
| |
| String serviceUrl = endpoint.getAddress(); |
| |
| if(log.isDebugEnabled()) { |
| log.debug("Start Sending the Message : " + messageIn.getMessageID()); |
| } |
| |
| try { |
| |
| MessageContext messageOut = MessageHelper.cloneMessageContext(messageIn); |
| Options options = new Options(); |
| options.setTo(new EndpointReference(serviceUrl)); |
| if(messageIn.getSoapAction() != null) { |
| |
| options.setAction(messageIn.getSoapAction()); |
| |
| } else { |
| |
| if (messageIn.isSOAP11()) { |
| options.setProperty(Constants.Configuration.DISABLE_SOAP_ACTION, true); |
| } else { |
| Axis2MessageContext axis2smc = (Axis2MessageContext) messageOut; |
| org.apache.axis2.context.MessageContext axis2MessageCtx = |
| axis2smc.getAxis2MessageContext(); |
| axis2MessageCtx.getTransportOut().addParameter( |
| new Parameter(HTTPConstants.OMIT_SOAP_12_ACTION, true)); |
| } |
| |
| } |
| |
| //After setting all the options we need to find the MEP of the Message |
| org.apache.axis2.context.MessageContext axis2Ctx = |
| ((Axis2MessageContext) messageOut).getAxis2MessageContext(); |
| |
| boolean outOnlyMessage = "true".equals(messageIn.getProperty( |
| SynapseConstants.OUT_ONLY)) || WSDL2Constants.MEP_URI_IN_ONLY.equals( |
| axis2Ctx.getOperationContext() |
| .getAxisOperation().getMessageExchangePattern()); |
| |
| // Here We consider all other Messages that evaluates to outOnlyMessage == false |
| // follows out in mep. |
| if (log.isDebugEnabled()) { |
| log.debug("Invoking service Url " + serviceUrl + " with Message" + |
| messageIn.getMessageID()); |
| } |
| |
| options.setProperty( |
| AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, Boolean.TRUE); |
| |
| //clean existing headers |
| // otherwise when retrying same header element will add multiple times |
| sc.removeHeaders(); |
| |
| Iterator itr = axis2Ctx.getEnvelope().getHeader().getChildren(); |
| while (itr.hasNext()) { |
| Object o =itr.next(); |
| if ( o instanceof OMElement ){ |
| sc.addHeader((OMElement)o); |
| } |
| } |
| |
| if (endpoint.isUseMTOM()) { |
| options.setProperty(Constants.Configuration.ENABLE_MTOM, Constants.VALUE_TRUE); |
| } else if (endpoint.isUseSwa()) { |
| options.setProperty(Constants.Configuration.ENABLE_SWA, Constants.VALUE_TRUE); |
| } |
| |
| sc.setOptions(options); |
| OMElement result = null; |
| try { |
| OMElement payload = axis2Ctx.getEnvelope().getBody().getFirstElement(); |
| if(outOnlyMessage) { |
| sc.sendRobust(payload); |
| } else { |
| result = sc.sendReceive(payload); |
| } |
| |
| } catch (Exception axisFault) { |
| |
| // Here if Message is not a Out only Message |
| // To indicate that it is a Error we set a new Message Context property |
| // and return the message context |
| // If its not we throw an Exception |
| if (!outOnlyMessage) { |
| messageOut.setProperty(ForwardingProcessorConstants.BLOCKING_SENDER_ERROR, |
| "true"); |
| |
| return messageOut; |
| } |
| |
| log.error("Error sending Message to url : " + serviceUrl ,axisFault); |
| throw new Exception("Error while Sending Message" , axisFault); |
| |
| } |
| |
| if(!outOnlyMessage) { |
| if(result != null) { |
| String soapNamespaceURI = |
| axis2Ctx.getEnvelope().getNamespace().getNamespaceURI(); |
| SOAPEnvelope envelope = createSOAPEnvelope(result , soapNamespaceURI); |
| axis2Ctx.setEnvelope(envelope); |
| return messageOut; |
| } |
| } |
| } catch (AxisFault axisFault) { |
| log.error("Error sending Message to url : " + serviceUrl ,axisFault); |
| throw new Exception("Error while Sending message " , axisFault); |
| } |
| return null; |
| } |
| |
| public String getClientRepository() { |
| return clientRepository; |
| } |
| |
| public void setClientRepository(String clientRepository) { |
| this.clientRepository = clientRepository; |
| } |
| |
| public String getAxis2xml() { |
| return axis2xml; |
| } |
| |
| public void setAxis2xml(String axis2xml) { |
| this.axis2xml = axis2xml; |
| } |
| |
| private SOAPEnvelope createSOAPEnvelope(OMElement payload , String soapNamespaceUri) { |
| SOAPFactory soapFactory = null; |
| if (soapNamespaceUri.equals(SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI)) { |
| soapFactory = OMAbstractFactory.getSOAP12Factory(); |
| } else { |
| soapFactory = OMAbstractFactory.getSOAP11Factory(); |
| } |
| SOAPEnvelope envelope = soapFactory.getDefaultEnvelope(); |
| envelope.getBody().addChild(payload); |
| return envelope; |
| } |
| } |
