protected void createDataAssociation(
      DataAssociation dataAssociation, boolean incoming, Activity activity) {
    String sourceRef = null;
    String targetRef = null;
    if (incoming) {
      sourceRef = dataAssociation.getSourceRef();
      targetRef = activity.getId();

    } else {
      sourceRef = activity.getId();
      targetRef = dataAssociation.getTargetRef();
    }

    ObjectNode flowNode =
        BpmnJsonConverterUtil.createChildShape(
            dataAssociation.getId(), STENCIL_DATA_ASSOCIATION, 172, 212, 128, 212);
    ArrayNode dockersArrayNode = objectMapper.createArrayNode();
    ObjectNode dockNode = objectMapper.createObjectNode();

    dockNode.put(EDITOR_BOUNDS_X, model.getGraphicInfo(sourceRef).getWidth() / 2.0);
    dockNode.put(EDITOR_BOUNDS_Y, model.getGraphicInfo(sourceRef).getHeight() / 2.0);
    dockersArrayNode.add(dockNode);

    if (model.getFlowLocationGraphicInfo(dataAssociation.getId()).size() > 2) {
      for (int i = 1;
          i < model.getFlowLocationGraphicInfo(dataAssociation.getId()).size() - 1;
          i++) {
        GraphicInfo graphicInfo = model.getFlowLocationGraphicInfo(dataAssociation.getId()).get(i);
        dockNode = objectMapper.createObjectNode();
        dockNode.put(EDITOR_BOUNDS_X, graphicInfo.getX());
        dockNode.put(EDITOR_BOUNDS_Y, graphicInfo.getY());
        dockersArrayNode.add(dockNode);
      }
    }

    dockNode = objectMapper.createObjectNode();
    dockNode.put(EDITOR_BOUNDS_X, model.getGraphicInfo(targetRef).getWidth() / 2.0);
    dockNode.put(EDITOR_BOUNDS_Y, model.getGraphicInfo(targetRef).getHeight() / 2.0);
    dockersArrayNode.add(dockNode);
    flowNode.put("dockers", dockersArrayNode);
    ArrayNode outgoingArrayNode = objectMapper.createArrayNode();
    outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(targetRef));
    flowNode.put("outgoing", outgoingArrayNode);
    flowNode.put("target", BpmnJsonConverterUtil.createResourceNode(targetRef));

    ObjectNode propertiesNode = objectMapper.createObjectNode();
    propertiesNode.put(PROPERTY_OVERRIDE_ID, dataAssociation.getId());

    flowNode.put(EDITOR_SHAPE_PROPERTIES, propertiesNode);
    shapesArrayNode.add(flowNode);
  }
 protected FlowElement convertJsonToElement(
     JsonNode elementNode, JsonNode modelNode, Map<String, JsonNode> shapeMap) {
   ThrowEvent throwEvent = new ThrowEvent();
   String stencilId = BpmnJsonConverterUtil.getStencilId(elementNode);
   if (STENCIL_EVENT_THROW_SIGNAL.equals(stencilId)) {
     convertJsonToSignalDefinition(elementNode, throwEvent);
   }
   return throwEvent;
 }
 protected FlowElement convertJsonToElement(
     JsonNode elementNode, JsonNode modelNode, Map<String, JsonNode> shapeMap) {
   IntermediateCatchEvent catchEvent = new IntermediateCatchEvent();
   String stencilId = BpmnJsonConverterUtil.getStencilId(elementNode);
   if (STENCIL_EVENT_CATCH_TIMER.equals(stencilId)) {
     convertJsonToTimerDefinition(elementNode, catchEvent);
   } else if (STENCIL_EVENT_CATCH_MESSAGE.equals(stencilId)) {
     convertJsonToMessageDefinition(elementNode, catchEvent);
   } else if (STENCIL_EVENT_CATCH_SIGNAL.equals(stencilId)) {
     convertJsonToSignalDefinition(elementNode, catchEvent);
   }
   return catchEvent;
 }
 protected FlowElement convertJsonToElement(JsonNode elementNode, JsonNode modelNode) {
   BoundaryEvent boundaryEvent = new BoundaryEvent();
   String stencilId = BpmnJsonConverterUtil.getStencilId(elementNode);
   if (STENCIL_EVENT_BOUNDARY_TIMER.equals(stencilId)) {
     convertJsonToTimerDefinition(elementNode, boundaryEvent);
   } else if (STENCIL_EVENT_BOUNDARY_ERROR.equals(stencilId)) {
     convertJsonToErrorDefinition(elementNode, boundaryEvent);
   } else if (STENCIL_EVENT_BOUNDARY_SIGNAL.equals(stencilId)) {
     convertJsonToSignalDefinition(elementNode, boundaryEvent);
   }
   boundaryEvent.setAttachedToRefId(
       lookForAttachedRef(
           elementNode.get(EDITOR_SHAPE_ID).asText(), modelNode.get(EDITOR_CHILD_SHAPES)));
   return boundaryEvent;
 }
  protected void processDataStoreReferences(
      FlowElementsContainer container, String dataStoreReferenceId, ArrayNode outgoingArrayNode) {
    for (FlowElement flowElement : container.getFlowElements()) {
      if (flowElement instanceof Activity) {
        Activity activity = (Activity) flowElement;

        if (CollectionUtils.isNotEmpty(activity.getDataInputAssociations())) {
          for (DataAssociation dataAssociation : activity.getDataInputAssociations()) {
            if (dataStoreReferenceId.equals(dataAssociation.getSourceRef())) {
              outgoingArrayNode.add(
                  BpmnJsonConverterUtil.createResourceNode(dataAssociation.getId()));
            }
          }
        }

      } else if (flowElement instanceof SubProcess) {
        processDataStoreReferences(
            (SubProcess) flowElement, dataStoreReferenceId, outgoingArrayNode);
      }
    }
  }
  public void convertToJson(
      BaseElement baseElement,
      ActivityProcessor processor,
      BpmnModel model,
      FlowElementsContainer container,
      ArrayNode shapesArrayNode,
      double subProcessX,
      double subProcessY) {

    this.model = model;
    this.processor = processor;
    this.subProcessX = subProcessX;
    this.subProcessY = subProcessY;
    this.shapesArrayNode = shapesArrayNode;
    GraphicInfo graphicInfo = model.getGraphicInfo(baseElement.getId());

    String stencilId = null;
    if (baseElement instanceof ServiceTask) {
      ServiceTask serviceTask = (ServiceTask) baseElement;
      if ("mail".equalsIgnoreCase(serviceTask.getType())) {
        stencilId = STENCIL_TASK_MAIL;
      } else if ("camel".equalsIgnoreCase(serviceTask.getType())) {
        stencilId = STENCIL_TASK_CAMEL;
      } else if ("mule".equalsIgnoreCase(serviceTask.getType())) {
        stencilId = STENCIL_TASK_MULE;
      } else {
        stencilId = getStencilId(baseElement);
      }
    } else {
      stencilId = getStencilId(baseElement);
    }

    flowElementNode =
        BpmnJsonConverterUtil.createChildShape(
            baseElement.getId(),
            stencilId,
            graphicInfo.getX() - subProcessX + graphicInfo.getWidth(),
            graphicInfo.getY() - subProcessY + graphicInfo.getHeight(),
            graphicInfo.getX() - subProcessX,
            graphicInfo.getY() - subProcessY);
    shapesArrayNode.add(flowElementNode);
    ObjectNode propertiesNode = objectMapper.createObjectNode();
    propertiesNode.put(PROPERTY_OVERRIDE_ID, baseElement.getId());

    if (baseElement instanceof FlowElement) {
      FlowElement flowElement = (FlowElement) baseElement;
      if (StringUtils.isNotEmpty(flowElement.getName())) {
        propertiesNode.put(PROPERTY_NAME, flowElement.getName());
      }

      if (StringUtils.isNotEmpty(flowElement.getDocumentation())) {
        propertiesNode.put(PROPERTY_DOCUMENTATION, flowElement.getDocumentation());
      }
    }

    convertElementToJson(propertiesNode, baseElement);

    flowElementNode.put(EDITOR_SHAPE_PROPERTIES, propertiesNode);
    ArrayNode outgoingArrayNode = objectMapper.createArrayNode();

    if (baseElement instanceof FlowNode) {
      FlowNode flowNode = (FlowNode) baseElement;
      for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
        outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(sequenceFlow.getId()));
      }

      for (MessageFlow messageFlow : model.getMessageFlows().values()) {
        if (messageFlow.getSourceRef().equals(flowNode.getId())) {
          outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(messageFlow.getId()));
        }
      }
    }

    if (baseElement instanceof Activity) {

      Activity activity = (Activity) baseElement;
      for (BoundaryEvent boundaryEvent : activity.getBoundaryEvents()) {
        outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(boundaryEvent.getId()));
      }

      propertiesNode.put(PROPERTY_ASYNCHRONOUS, activity.isAsynchronous());
      propertiesNode.put(PROPERTY_EXCLUSIVE, !activity.isNotExclusive());

      if (activity.getLoopCharacteristics() != null) {
        MultiInstanceLoopCharacteristics loopDef = activity.getLoopCharacteristics();
        if (StringUtils.isNotEmpty(loopDef.getLoopCardinality())
            || StringUtils.isNotEmpty(loopDef.getInputDataItem())
            || StringUtils.isNotEmpty(loopDef.getCompletionCondition())) {

          if (loopDef.isSequential() == false) {
            propertiesNode.put(PROPERTY_MULTIINSTANCE_TYPE, "Parallel");
          } else {
            propertiesNode.put(PROPERTY_MULTIINSTANCE_TYPE, "Sequential");
          }

          if (StringUtils.isNotEmpty(loopDef.getLoopCardinality())) {
            propertiesNode.put(PROPERTY_MULTIINSTANCE_CARDINALITY, loopDef.getLoopCardinality());
          }
          if (StringUtils.isNotEmpty(loopDef.getInputDataItem())) {
            propertiesNode.put(PROPERTY_MULTIINSTANCE_COLLECTION, loopDef.getInputDataItem());
          }
          if (StringUtils.isNotEmpty(loopDef.getElementVariable())) {
            propertiesNode.put(PROPERTY_MULTIINSTANCE_VARIABLE, loopDef.getElementVariable());
          }
          if (StringUtils.isNotEmpty(loopDef.getCompletionCondition())) {
            propertiesNode.put(PROPERTY_MULTIINSTANCE_CONDITION, loopDef.getCompletionCondition());
          }
        }
      }

      if (activity instanceof UserTask) {
        BpmnJsonConverterUtil.convertListenersToJson(
            ((UserTask) activity).getTaskListeners(), false, propertiesNode);
      }

      BpmnJsonConverterUtil.convertListenersToJson(
          activity.getExecutionListeners(), true, propertiesNode);

      if (CollectionUtils.isNotEmpty(activity.getDataInputAssociations())) {
        for (DataAssociation dataAssociation : activity.getDataInputAssociations()) {
          if (model.getFlowElement(dataAssociation.getSourceRef()) != null) {
            createDataAssociation(dataAssociation, true, activity);
          }
        }
      }

      if (CollectionUtils.isNotEmpty(activity.getDataOutputAssociations())) {
        for (DataAssociation dataAssociation : activity.getDataOutputAssociations()) {
          if (model.getFlowElement(dataAssociation.getTargetRef()) != null) {
            createDataAssociation(dataAssociation, false, activity);
            outgoingArrayNode.add(
                BpmnJsonConverterUtil.createResourceNode(dataAssociation.getId()));
          }
        }
      }
    }

    for (Artifact artifact : container.getArtifacts()) {
      if (artifact instanceof Association) {
        Association association = (Association) artifact;
        if (StringUtils.isNotEmpty(association.getSourceRef())
            && association.getSourceRef().equals(baseElement.getId())) {
          outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(association.getId()));
        }
      }
    }

    if (baseElement instanceof DataStoreReference) {
      for (Process process : model.getProcesses()) {
        processDataStoreReferences(process, baseElement.getId(), outgoingArrayNode);
      }
    }

    flowElementNode.put("outgoing", outgoingArrayNode);
  }
  protected void convertJsonToFormProperties(JsonNode objectNode, BaseElement element) {

    JsonNode formPropertiesNode = getProperty(PROPERTY_FORM_PROPERTIES, objectNode);
    if (formPropertiesNode != null) {
      formPropertiesNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(formPropertiesNode);
      JsonNode propertiesArray = formPropertiesNode.get("formProperties");
      if (propertiesArray != null) {
        for (JsonNode formNode : propertiesArray) {
          JsonNode formIdNode = formNode.get(PROPERTY_FORM_ID);
          if (formIdNode != null && StringUtils.isNotEmpty(formIdNode.asText())) {

            FormProperty formProperty = new FormProperty();
            formProperty.setId(formIdNode.asText());
            formProperty.setName(getValueAsString(PROPERTY_FORM_NAME, formNode));
            formProperty.setType(getValueAsString(PROPERTY_FORM_TYPE, formNode));
            formProperty.setExpression(getValueAsString(PROPERTY_FORM_EXPRESSION, formNode));
            formProperty.setVariable(getValueAsString(PROPERTY_FORM_VARIABLE, formNode));

            if ("date".equalsIgnoreCase(formProperty.getType())) {
              formProperty.setDatePattern(getValueAsString(PROPERTY_FORM_DATE_PATTERN, formNode));

            } else if ("enum".equalsIgnoreCase(formProperty.getType())) {
              JsonNode enumValuesNode = formNode.get(PROPERTY_FORM_ENUM_VALUES);
              if (enumValuesNode != null) {
                List<FormValue> formValueList = new ArrayList<FormValue>();
                for (JsonNode enumNode : enumValuesNode) {
                  if (enumNode.get(PROPERTY_FORM_ENUM_VALUES_ID) != null
                      && enumNode.get(PROPERTY_FORM_ENUM_VALUES_ID).isNull() == false
                      && enumNode.get(PROPERTY_FORM_ENUM_VALUES_NAME) != null
                      && enumNode.get(PROPERTY_FORM_ENUM_VALUES_NAME).isNull() == false) {

                    FormValue formValue = new FormValue();
                    formValue.setId(enumNode.get(PROPERTY_FORM_ENUM_VALUES_ID).asText());
                    formValue.setName(enumNode.get(PROPERTY_FORM_ENUM_VALUES_NAME).asText());
                    formValueList.add(formValue);

                  } else if (enumNode.get("value") != null
                      && enumNode.get("value").isNull() == false) {
                    FormValue formValue = new FormValue();
                    formValue.setId(enumNode.get("value").asText());
                    formValue.setName(enumNode.get("value").asText());
                    formValueList.add(formValue);
                  }
                }
                formProperty.setFormValues(formValueList);
              }
            }

            formProperty.setRequired(getValueAsBoolean(PROPERTY_FORM_REQUIRED, formNode));
            formProperty.setReadable(getValueAsBoolean(PROPERTY_FORM_READABLE, formNode));
            formProperty.setWriteable(getValueAsBoolean(PROPERTY_FORM_WRITABLE, formNode));

            if (element instanceof StartEvent) {
              ((StartEvent) element).getFormProperties().add(formProperty);
            } else if (element instanceof UserTask) {
              ((UserTask) element).getFormProperties().add(formProperty);
            }
          }
        }
      }
    }
  }
  public void convertToBpmnModel(
      JsonNode elementNode,
      JsonNode modelNode,
      ActivityProcessor processor,
      BaseElement parentElement,
      Map<String, JsonNode> shapeMap,
      BpmnModel bpmnModel) {

    this.processor = processor;
    this.model = bpmnModel;

    BaseElement baseElement = convertJsonToElement(elementNode, modelNode, shapeMap);
    baseElement.setId(BpmnJsonConverterUtil.getElementId(elementNode));

    if (baseElement instanceof FlowElement) {
      FlowElement flowElement = (FlowElement) baseElement;
      flowElement.setName(getPropertyValueAsString(PROPERTY_NAME, elementNode));
      flowElement.setDocumentation(getPropertyValueAsString(PROPERTY_DOCUMENTATION, elementNode));

      BpmnJsonConverterUtil.convertJsonToListeners(elementNode, flowElement);

      if (baseElement instanceof Activity) {
        Activity activity = (Activity) baseElement;
        activity.setAsynchronous(getPropertyValueAsBoolean(PROPERTY_ASYNCHRONOUS, elementNode));
        activity.setNotExclusive(!getPropertyValueAsBoolean(PROPERTY_EXCLUSIVE, elementNode));

        String multiInstanceType =
            getPropertyValueAsString(PROPERTY_MULTIINSTANCE_TYPE, elementNode);
        String multiInstanceCardinality =
            getPropertyValueAsString(PROPERTY_MULTIINSTANCE_CARDINALITY, elementNode);
        String multiInstanceCollection =
            getPropertyValueAsString(PROPERTY_MULTIINSTANCE_COLLECTION, elementNode);
        String multiInstanceCondition =
            getPropertyValueAsString(PROPERTY_MULTIINSTANCE_CONDITION, elementNode);

        if (StringUtils.isNotEmpty(multiInstanceType)
            && "none".equalsIgnoreCase(multiInstanceType) == false) {

          String multiInstanceVariable =
              getPropertyValueAsString(PROPERTY_MULTIINSTANCE_VARIABLE, elementNode);

          MultiInstanceLoopCharacteristics multiInstanceObject =
              new MultiInstanceLoopCharacteristics();
          if ("sequential".equalsIgnoreCase(multiInstanceType)) {
            multiInstanceObject.setSequential(true);
          } else {
            multiInstanceObject.setSequential(false);
          }
          multiInstanceObject.setLoopCardinality(multiInstanceCardinality);
          multiInstanceObject.setInputDataItem(multiInstanceCollection);
          multiInstanceObject.setElementVariable(multiInstanceVariable);
          multiInstanceObject.setCompletionCondition(multiInstanceCondition);
          activity.setLoopCharacteristics(multiInstanceObject);
        }

      } else if (baseElement instanceof Gateway) {
        JsonNode flowOrderNode = getProperty(PROPERTY_SEQUENCEFLOW_ORDER, elementNode);
        if (flowOrderNode != null) {
          flowOrderNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(flowOrderNode);
          JsonNode orderArray = flowOrderNode.get("sequenceFlowOrder");
          if (orderArray != null && orderArray.size() > 0) {
            for (JsonNode orderNode : orderArray) {
              ExtensionElement orderElement = new ExtensionElement();
              orderElement.setName("EDITOR_FLOW_ORDER");
              orderElement.setElementText(orderNode.asText());
              flowElement.addExtensionElement(orderElement);
            }
          }
        }
      }
    }

    if (baseElement instanceof FlowElement) {
      FlowElement flowElement = (FlowElement) baseElement;
      if (flowElement instanceof SequenceFlow) {
        ExtensionElement idExtensionElement = new ExtensionElement();
        idExtensionElement.setName("EDITOR_RESOURCEID");
        idExtensionElement.setElementText(elementNode.get(EDITOR_SHAPE_ID).asText());
        flowElement.addExtensionElement(idExtensionElement);
      }

      if (parentElement instanceof Process) {
        ((Process) parentElement).addFlowElement(flowElement);

      } else if (parentElement instanceof SubProcess) {
        ((SubProcess) parentElement).addFlowElement(flowElement);

      } else if (parentElement instanceof Lane) {
        Lane lane = (Lane) parentElement;
        lane.getFlowReferences().add(flowElement.getId());
        lane.getParentProcess().addFlowElement(flowElement);
      }

    } else if (baseElement instanceof Artifact) {
      Artifact artifact = (Artifact) baseElement;
      if (parentElement instanceof Process) {
        ((Process) parentElement).addArtifact(artifact);

      } else if (parentElement instanceof SubProcess) {
        ((SubProcess) parentElement).addArtifact(artifact);

      } else if (parentElement instanceof Lane) {
        Lane lane = (Lane) parentElement;
        lane.getFlowReferences().add(artifact.getId());
        lane.getParentProcess().addArtifact(artifact);
      }
    }
  }