/**
   * Loads a web service from a web service wrapper
   *
   * @param wrapper Web service wrapper
   * @throws Exception
   */
  protected void loadService(IServiceConfig wsDef) throws Exception {

    // first create the service
    String serviceId = wsDef.getId();
    AxisService axisService = AxisUtil.createService(wsDef, getAxisConfiguration());

    // add any additional transports
    addTransports(axisService);

    // add any end points
    addServiceEndPoints(axisService);

    // create the WSDL for the service
    AxisUtil.createServiceWsdl(axisService, wsDef, getAxisConfiguration());

    // add the wrapper to the service list
    services.put(serviceId, wsDef);

    // start the service
    axisConfig.addService(axisService);
    axisConfig.startService(axisService.getName());

    // enable or disable the service as the wrapper dictates
    axisService.setActive(wsDef.isEnabled());
  }
Ejemplo n.º 2
0
  /**
   * Populates service from corresponding OM.
   *
   * @param service_element an OMElement for the <service> tag
   * @return a filled-in AxisService, configured from the passed XML
   * @throws DeploymentException if there is a problem
   */
  public AxisService populateService(OMElement service_element) throws DeploymentException {
    try {
      // Determine whether service should be activated.
      String serviceActivate = service_element.getAttributeValue(new QName(ATTRIBUTE_ACTIVATE));
      if (serviceActivate != null) {
        if ("true".equals(serviceActivate)) {
          service.setActive(true);
        } else if ("false".equals(serviceActivate)) {
          service.setActive(false);
        }
      }

      // Processing service level parameters
      OMAttribute serviceNameatt = service_element.getAttribute(new QName(ATTRIBUTE_NAME));

      // If the service name is explicitly specified in the services.xml
      // then use that as the service name
      if (serviceNameatt != null) {
        if (!"".equals(serviceNameatt.getAttributeValue().trim())) {
          AxisService wsdlService = wsdlServiceMap.get(serviceNameatt.getAttributeValue());
          if (wsdlService != null) {
            wsdlService.setClassLoader(service.getClassLoader());
            wsdlService.setParent(service.getAxisServiceGroup());
            service = wsdlService;
            service.setWsdlFound(true);
            service.setCustomWsdl(true);
          }
          service.setName(serviceNameatt.getAttributeValue());
          // To be on the safe side
          if (service.getDocumentation() == null) {
            service.setDocumentation(serviceNameatt.getAttributeValue());
          }
        }
      }

      Iterator itr = service_element.getChildrenWithName(new QName(TAG_PARAMETER));
      processParameters(itr, service, service.getParent());

      Parameter childFirstClassLoading =
          service.getParameter(Constants.Configuration.ENABLE_CHILD_FIRST_CLASS_LOADING);
      if (childFirstClassLoading != null) {
        ClassLoader cl = service.getClassLoader();
        if (cl instanceof DeploymentClassLoader) {
          DeploymentClassLoader deploymentClassLoader = (DeploymentClassLoader) cl;
          if (JavaUtils.isTrueExplicitly(childFirstClassLoading.getValue())) {
            deploymentClassLoader.setChildFirstClassLoading(true);
          } else if (JavaUtils.isFalseExplicitly(childFirstClassLoading.getValue())) {
            deploymentClassLoader.setChildFirstClassLoading(false);
          }
        }
      }

      // If multiple services in one service group have different values
      // for the PARENT_FIRST
      // parameter then the final value become the value specified by the
      // last service in the group
      // Parameter parameter =
      // service.getParameter(DeploymentClassLoader.PARENT_FIRST);
      // if (parameter !=null && "false".equals(parameter.getValue())) {
      // ClassLoader serviceClassLoader = service.getClassLoader();
      // ((DeploymentClassLoader)serviceClassLoader).setParentFirst(false);
      // }
      // process service description
      OMElement descriptionElement =
          service_element.getFirstChildWithName(new QName(TAG_DESCRIPTION));
      if (descriptionElement != null) {
        OMElement descriptionValue = descriptionElement.getFirstElement();
        if (descriptionValue != null) {
          service.setDocumentation(descriptionValue);
        } else {
          service.setDocumentation(descriptionElement.getText());
        }
      } else {
        serviceNameatt = service_element.getAttribute(new QName(ATTRIBUTE_NAME));

        if (serviceNameatt != null) {
          if (!"".equals(serviceNameatt.getAttributeValue().trim())
              && service.getDocumentation() == null) {
            service.setDocumentation(serviceNameatt.getAttributeValue());
          }
        }
      }

      if (service.getParameter("ServiceClass") == null) {
        log.debug("The Service " + service.getName() + " does not specify a Service Class");
      }

      // Process WS-Addressing flag attribute
      OMAttribute addressingRequiredatt =
          service_element.getAttribute(new QName(ATTRIBUTE_WSADDRESSING));
      if (addressingRequiredatt != null) {
        String addressingRequiredString = addressingRequiredatt.getAttributeValue();
        AddressingHelper.setAddressingRequirementParemeterValue(service, addressingRequiredString);
      }

      // Setting service target namespace if any
      OMAttribute targetNameSpace = service_element.getAttribute(new QName(TARGET_NAME_SPACE));

      if (targetNameSpace != null) {
        String nameSpeceVale = targetNameSpace.getAttributeValue();
        if (nameSpeceVale != null && !"".equals(nameSpeceVale)) {
          service.setTargetNamespace(nameSpeceVale);
        }
      } else {
        if (service.getTargetNamespace() == null || "".equals(service.getTargetNamespace())) {
          service.setTargetNamespace(Java2WSDLConstants.DEFAULT_TARGET_NAMESPACE);
        }
      }

      // Processing service lifecycle attribute
      OMAttribute serviceLifeCycleClass = service_element.getAttribute(new QName(TAG_CLASS_NAME));
      if (serviceLifeCycleClass != null) {
        String className = serviceLifeCycleClass.getAttributeValue();
        loadServiceLifeCycleClass(className);
      }
      // Setting schema namespece if any
      OMElement schemaElement = service_element.getFirstChildWithName(new QName(SCHEMA));
      if (schemaElement != null) {
        OMAttribute schemaNameSpace = schemaElement.getAttribute(new QName(SCHEMA_NAME_SPACE));
        if (schemaNameSpace != null) {
          String nameSpeceVale = schemaNameSpace.getAttributeValue();
          if (nameSpeceVale != null && !"".equals(nameSpeceVale)) {
            service.setSchemaTargetNamespace(nameSpeceVale);
          }
        }
        OMAttribute elementFormDefault =
            schemaElement.getAttribute(new QName(SCHEMA_ELEMENT_QUALIFIED));
        if (elementFormDefault != null) {
          String value = elementFormDefault.getAttributeValue();
          if ("true".equals(value)) {
            service.setElementFormDefault(true);
          } else if ("false".equals(value)) {
            service.setElementFormDefault(false);
          }
        }

        // package to namespace mapping. This will be an element that
        // maps pkg names to a namespace
        // when this is doing AxisService.getSchemaTargetNamespace will
        // be overridden
        // This will be <mapping/> with @namespace and @package
        Iterator mappingIterator = schemaElement.getChildrenWithName(new QName(MAPPING));
        if (mappingIterator != null) {
          Map<String, String> pkg2nsMap = new Hashtable<String, String>();
          while (mappingIterator.hasNext()) {
            OMElement mappingElement = (OMElement) mappingIterator.next();
            OMAttribute namespaceAttribute =
                mappingElement.getAttribute(new QName(ATTRIBUTE_NAMESPACE));
            OMAttribute packageAttribute =
                mappingElement.getAttribute(new QName(ATTRIBUTE_PACKAGE));
            if (namespaceAttribute != null && packageAttribute != null) {
              String namespaceAttributeValue = namespaceAttribute.getAttributeValue();
              String packageAttributeValue = packageAttribute.getAttributeValue();
              if (namespaceAttributeValue != null && packageAttributeValue != null) {
                pkg2nsMap.put(packageAttributeValue.trim(), namespaceAttributeValue.trim());
              } else {
                log.warn(
                    "Either value of @namespce or @packagename not available. Thus, generated will be selected.");
              }
            } else {
              log.warn(
                  "Either @namespce or @packagename not available. Thus, generated will be selected.");
            }
          }
          service.setP2nMap(pkg2nsMap);
        }
      }

      // processing Default Message receivers
      OMElement messageReceiver =
          service_element.getFirstChildWithName(new QName(TAG_MESSAGE_RECEIVERS));
      if (messageReceiver != null) {
        HashMap<String, MessageReceiver> mrs =
            processMessageReceivers(service.getClassLoader(), messageReceiver);
        for (Map.Entry<String, MessageReceiver> entry : mrs.entrySet()) {
          service.addMessageReceiver(entry.getKey(), entry.getValue());
        }
      }

      // Removing exclude operations
      OMElement excludeOperations =
          service_element.getFirstChildWithName(new QName(TAG_EXCLUDE_OPERATIONS));
      ArrayList<String> excludeops = null;
      if (excludeOperations != null) {
        excludeops = processExcludeOperations(excludeOperations);
      }
      if (excludeops == null) {
        excludeops = new ArrayList<String>();
      }
      Utils.addExcludeMethods(excludeops);

      // <schema targetNamespace="http://x.y.z"/>
      // setting the PolicyInclude
      // processing <wsp:Policy> .. </..> elements
      Iterator policyElements =
          service_element.getChildrenWithName(new QName(POLICY_NS_URI, TAG_POLICY));

      if (policyElements != null && policyElements.hasNext()) {
        processPolicyElements(policyElements, service.getPolicySubject());
      }

      // processing <wsp:PolicyReference> .. </..> elements
      Iterator policyRefElements =
          service_element.getChildrenWithName(new QName(POLICY_NS_URI, TAG_POLICY_REF));

      if (policyRefElements != null && policyRefElements.hasNext()) {
        processPolicyRefElements(policyRefElements, service.getPolicySubject());
      }

      // processing service scope
      String sessionScope = service_element.getAttributeValue(new QName(ATTRIBUTE_SCOPE));
      if (sessionScope != null) {
        service.setScope(sessionScope);
      }

      // processing service-wide modules which required to engage globally
      Iterator moduleRefs = service_element.getChildrenWithName(new QName(TAG_MODULE));

      processModuleRefs(moduleRefs);

      // processing transports
      OMElement transports = service_element.getFirstChildWithName(new QName(TAG_TRANSPORTS));
      if (transports != null) {
        Iterator transport_itr = transports.getChildrenWithName(new QName(TAG_TRANSPORT));
        ArrayList<String> trs = new ArrayList<String>();
        while (transport_itr.hasNext()) {
          OMElement trsEle = (OMElement) transport_itr.next();
          String transportName = trsEle.getText().trim();
          if (axisConfig.getTransportIn(transportName) == null) {
            log.warn(
                "Service [ "
                    + service.getName()
                    + "] is trying to expose in a transport : "
                    + transportName
                    + " and which is not available in Axis2");
          } else {
            trs.add(transportName);
          }
        }

        if (trs.isEmpty()) {
          throw new AxisFault(
              "Service ["
                  + service.getName()
                  + "] is trying expose in tranpsorts: "
                  + transports
                  + " and which is/are not available in Axis2");
        }
        service.setExposedTransports(trs);
      }
      // processing operations
      Iterator operationsIterator = service_element.getChildrenWithName(new QName(TAG_OPERATION));
      ArrayList ops = processOperations(operationsIterator);

      for (int i = 0; i < ops.size(); i++) {
        AxisOperation operationDesc = (AxisOperation) ops.get(i);
        ArrayList wsamappings = operationDesc.getWSAMappingList();
        if (wsamappings == null) {
          continue;
        }
        if (service.getOperation(operationDesc.getName()) == null) {
          service.addOperation(operationDesc);
        }
        for (int j = 0; j < wsamappings.size(); j++) {
          String mapping = (String) wsamappings.get(j);
          if (mapping.length() > 0) {
            service.mapActionToOperation(mapping, operationDesc);
          }
        }
      }
      String objectSupplierValue = (String) service.getParameterValue(TAG_OBJECT_SUPPLIER);
      if (objectSupplierValue != null) {
        loadObjectSupplierClass(objectSupplierValue);
      }
      // Set the default message receiver for the operations that were
      // not listed in the services.xml
      setDefaultMessageReceivers();
      Utils.processBeanPropertyExclude(service);
      if (!service.isUseUserWSDL()) {
        // Generating schema for the service if the impl class is Java
        if (!service.isWsdlFound()) {
          // trying to generate WSDL for the service using JAM and
          // Java reflection
          try {
            if (generateWsdl(service)) {
              Utils.fillAxisService(service, axisConfig, excludeops, null);
            } else {
              ArrayList nonRpcOperations = getNonRPCMethods(service);
              Utils.fillAxisService(service, axisConfig, excludeops, nonRpcOperations);
            }
          } catch (Exception e) {
            throw new DeploymentException(
                Messages.getMessage("errorinschemagen", e.getMessage()), e);
          }
        }
      }
      if (service.isCustomWsdl()) {
        OMElement mappingElement =
            service_element.getFirstChildWithName(new QName(TAG_PACKAGE2QNAME));
        if (mappingElement != null) {
          processTypeMappings(mappingElement);
        }
      }

      for (String opName : excludeops) {
        service.removeOperation(new QName(opName));
      }

      // Need to call the same logic towice
      setDefaultMessageReceivers();
      Iterator moduleConfigs = service_element.getChildrenWithName(new QName(TAG_MODULE_CONFIG));
      processServiceModuleConfig(moduleConfigs, service, service);

      // Loading Data Locator(s) configured
      OMElement dataLocatorElement =
          service_element.getFirstChildWithName(new QName(DRConstants.DATA_LOCATOR_ELEMENT));
      if (dataLocatorElement != null) {
        processDataLocatorConfig(dataLocatorElement, service);
      }

      processEndpoints(service);
      processPolicyAttachments(service_element, service);

    } catch (AxisFault axisFault) {
      throw new DeploymentException(axisFault);
    }

    startupServiceLifecycle();
    return service;
  }
  /** Cleanup the axis2 environment and stop the synapse environment. */
  public void stop() {
    try {
      // stop tasks
      SynapseTaskManager synapseTaskManager = synapseEnvironment.getTaskManager();
      if (synapseTaskManager.isInitialized()) {
        synapseTaskManager.cleanup();
      }

      EnterpriseBeanstalkManager manager =
          (EnterpriseBeanstalkManager)
              serverContextInformation.getProperty(
                  EnterpriseBeanstalkConstants.BEANSTALK_MANAGER_PROP_NAME);
      if (manager != null) {
        manager.destroy();
      }

      // stop the listener manager
      if (listenerManager != null) {
        listenerManager.stop();
      }

      // detach the synapse handlers
      if (configurationContext != null) {
        List<Phase> inflowPhases = configurationContext.getAxisConfiguration().getInFlowPhases();
        for (Phase inPhase : inflowPhases) {
          // we are interested about the Dispatch phase in the inflow
          if (PhaseMetadata.PHASE_DISPATCH.equals(inPhase.getPhaseName())) {
            List<HandlerDescription> synapseHandlers = new ArrayList<HandlerDescription>();
            for (Handler handler : inPhase.getHandlers()) {
              if (SynapseDispatcher.NAME.equals(handler.getName())
                  || SynapseMustUnderstandHandler.NAME.equals(handler.getName())) {
                synapseHandlers.add(handler.getHandlerDesc());
              }
            }

            for (HandlerDescription handlerMD : synapseHandlers) {
              inPhase.removeHandler(handlerMD);
            }
          }
        }
      } else {
        handleException(
            "Couldn't detach the Synapse handlers, " + "ConfigurationContext not found.");
      }

      // continue stopping the axis2 environment if we created it
      if (serverConfigurationInformation.isCreateNewInstance()
          && configurationContext != null
          && configurationContext.getAxisConfiguration() != null) {
        Map<String, AxisService> serviceMap =
            configurationContext.getAxisConfiguration().getServices();
        for (AxisService svc : serviceMap.values()) {
          svc.setActive(false);
        }

        // stop all modules
        Map<String, AxisModule> moduleMap =
            configurationContext.getAxisConfiguration().getModules();
        for (AxisModule mod : moduleMap.values()) {
          if (mod.getModule() != null && !"synapse".equals(mod.getName())) {
            mod.getModule().shutdown(configurationContext);
          }
        }
      }
    } catch (AxisFault e) {
      log.error("Error stopping the Axis2 Environment");
    }
  }