Package org.activiti.editor.language.json.converter

Source Code of org.activiti.editor.language.json.converter.ThrowEventJsonConverter

/* Licensed 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.activiti.editor.language.json.converter;

import java.util.List;
import java.util.Map;

import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.EventDefinition;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.bpmn.model.SignalEventDefinition;
import org.activiti.bpmn.model.ThrowEvent;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;

/**
* @author Tijs Rademakers
*/
public class ThrowEventJsonConverter extends BaseBpmnJsonConverter {
 
  public static void fillTypes(Map<String, Class<? extends BaseBpmnJsonConverter>> convertersToBpmnMap,
      Map<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>> convertersToJsonMap) {
   
    fillJsonTypes(convertersToBpmnMap);
    fillBpmnTypes(convertersToJsonMap);
  }
 
  public static void fillJsonTypes(Map<String, Class<? extends BaseBpmnJsonConverter>> convertersToBpmnMap) {
    convertersToBpmnMap.put(STENCIL_EVENT_THROW_NONE, ThrowEventJsonConverter.class);
    convertersToBpmnMap.put(STENCIL_EVENT_THROW_SIGNAL, ThrowEventJsonConverter.class);
  }
 
  public static void fillBpmnTypes(Map<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>> convertersToJsonMap) {
    convertersToJsonMap.put(ThrowEvent.class, ThrowEventJsonConverter.class);
  }
 
  protected String getStencilId(FlowElement flowElement) {
    ThrowEvent throwEvent = (ThrowEvent) flowElement;
    List<EventDefinition> eventDefinitions = throwEvent.getEventDefinitions();
    if (eventDefinitions.size() != 1) {
      // return none event as default;
      return STENCIL_EVENT_THROW_NONE;
    }
   
    EventDefinition eventDefinition = eventDefinitions.get(0);
    if (eventDefinition instanceof SignalEventDefinition) {
      return STENCIL_EVENT_THROW_SIGNAL;
    } else {
      return STENCIL_EVENT_THROW_NONE;
    }
  }

  protected void convertElementToJson(ObjectNode propertiesNode, FlowElement flowElement) {
    ThrowEvent throwEvent = (ThrowEvent) flowElement;
    addEventProperties(throwEvent, propertiesNode);
  }
 
  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;
  }
}
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