private void addDefaultBuildersAndFormatters(AxisConfiguration axisConf) {
   if (axisConf.getMessageBuilder("text/plain") == null) {
     axisConf.addMessageBuilder("text/plain", new PlainTextBuilder());
   }
   if (axisConf.getMessageBuilder("application/octet-stream") == null) {
     axisConf.addMessageBuilder("application/octet-stream", new BinaryBuilder());
   }
 }
  /**
   * Adds Synapse Service to Axis2 configuration which enables the main message mediation.
   *
   * @throws AxisFault if an error occurs during Axis2 service initialization
   */
  private void deploySynapseService() throws AxisFault {

    log.info("Deploying the Synapse service...");
    // Dynamically initialize the Synapse Service and deploy it into Axis2
    AxisConfiguration axisCfg = configurationContext.getAxisConfiguration();
    AxisService synapseService = new AxisService(SynapseConstants.SYNAPSE_SERVICE_NAME);
    AxisOperation mediateOperation =
        new InOutAxisOperation(SynapseConstants.SYNAPSE_OPERATION_NAME);
    mediateOperation.setMessageReceiver(new SynapseMessageReceiver());
    synapseService.addOperation(mediateOperation);
    List<String> transports = new ArrayList<String>();
    transports.add(Constants.TRANSPORT_HTTP);
    transports.add(Constants.TRANSPORT_HTTPS);
    synapseService.setExposedTransports(transports);
    AxisServiceGroup synapseServiceGroup = new AxisServiceGroup(axisCfg);
    synapseServiceGroup.setServiceGroupName(SynapseConstants.SYNAPSE_SERVICE_NAME);
    synapseServiceGroup.addParameter(SynapseConstants.HIDDEN_SERVICE_PARAM, "true");
    synapseServiceGroup.addService(synapseService);
    axisCfg.addServiceGroup(synapseServiceGroup);
  }