/* 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.Map;
import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.bpmn.model.GraphicInfo;
import org.activiti.bpmn.model.SequenceFlow;
import org.apache.commons.lang3.StringUtils;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* @author Tijs Rademakers
*/
public class SequenceFlowJsonConverter 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_SEQUENCE_FLOW, SequenceFlowJsonConverter.class);
}
public static void fillBpmnTypes(Map<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>> convertersToJsonMap) {
convertersToJsonMap.put(SequenceFlow.class, SequenceFlowJsonConverter.class);
}
@Override
protected String getStencilId(FlowElement flowElement) {
return STENCIL_SEQUENCE_FLOW;
}
@Override
public void convertToJson(FlowElement flowElement, ActivityProcessor processor,
BpmnModel model, ArrayNode shapesArrayNode, double subProcessX, double subProcessY) {
SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
ObjectNode flowNode = BpmnJsonConverterUtil.createChildShape(sequenceFlow.getId(), STENCIL_SEQUENCE_FLOW, 172, 212, 128, 212);
ArrayNode dockersArrayNode = objectMapper.createArrayNode();
ObjectNode dockNode = objectMapper.createObjectNode();
dockNode.put(EDITOR_BOUNDS_X, model.getGraphicInfo(sequenceFlow.getSourceRef()).getWidth() / 2.0);
dockNode.put(EDITOR_BOUNDS_Y, model.getGraphicInfo(sequenceFlow.getSourceRef()).getHeight() / 2.0);
dockersArrayNode.add(dockNode);
if (model.getFlowLocationGraphicInfo(sequenceFlow.getId()).size() > 2) {
for (int i = 1; i < model.getFlowLocationGraphicInfo(sequenceFlow.getId()).size() - 1; i++) {
GraphicInfo graphicInfo = model.getFlowLocationGraphicInfo(sequenceFlow.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(sequenceFlow.getTargetRef()).getWidth() / 2.0);
dockNode.put(EDITOR_BOUNDS_Y, model.getGraphicInfo(sequenceFlow.getTargetRef()).getHeight() / 2.0);
dockersArrayNode.add(dockNode);
flowNode.put("dockers", dockersArrayNode);
ArrayNode outgoingArrayNode = objectMapper.createArrayNode();
outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(sequenceFlow.getTargetRef()));
flowNode.put("outgoing", outgoingArrayNode);
flowNode.put("target", BpmnJsonConverterUtil.createResourceNode(sequenceFlow.getTargetRef()));
ObjectNode propertiesNode = objectMapper.createObjectNode();
propertiesNode.put(PROPERTY_OVERRIDE_ID, flowElement.getId());
if (StringUtils.isNotEmpty(sequenceFlow.getName())) {
propertiesNode.put(PROPERTY_NAME, sequenceFlow.getName());
}
if (StringUtils.isNotEmpty(sequenceFlow.getDocumentation())) {
propertiesNode.put(PROPERTY_DOCUMENTATION, sequenceFlow.getDocumentation());
}
if (StringUtils.isNotEmpty(sequenceFlow.getConditionExpression())) {
propertiesNode.put(PROPERTY_SEQUENCEFLOW_CONDITION, sequenceFlow.getConditionExpression());
}
flowNode.put(EDITOR_SHAPE_PROPERTIES, propertiesNode);
shapesArrayNode.add(flowNode);
}
@Override
protected void convertElementToJson(ObjectNode propertiesNode, FlowElement flowElement) {
// nothing to do
}
@Override
protected FlowElement convertJsonToElement(JsonNode elementNode, JsonNode modelNode, Map<String, JsonNode> shapeMap) {
SequenceFlow flow = new SequenceFlow();
String sourceRef = lookForSourceRef(elementNode.get(EDITOR_SHAPE_ID).asText(), modelNode.get(EDITOR_CHILD_SHAPES));
if (sourceRef != null) {
flow.setSourceRef(sourceRef);
String targetId = elementNode.get("target").get(EDITOR_SHAPE_ID).asText();
flow.setTargetRef(BpmnJsonConverterUtil.getElementId(shapeMap.get(targetId)));
}
flow.setConditionExpression(getPropertyValueAsString(PROPERTY_SEQUENCEFLOW_CONDITION, elementNode));
return flow;
}
private String lookForSourceRef(String flowId, JsonNode childShapesNode) {
String sourceRef = null;
if (childShapesNode != null) {
for (JsonNode childNode : childShapesNode) {
ArrayNode outgoingNode = (ArrayNode) childNode.get("outgoing");
if (outgoingNode != null && outgoingNode.size() > 0) {
for (JsonNode outgoingChildNode : outgoingNode) {
JsonNode resourceNode = outgoingChildNode.get(EDITOR_SHAPE_ID);
if (resourceNode != null && flowId.equals(resourceNode.asText())) {
sourceRef = BpmnJsonConverterUtil.getElementId(childNode);
break;
}
}
if (sourceRef != null) {
break;
}
}
sourceRef = lookForSourceRef(flowId, childNode.get(EDITOR_CHILD_SHAPES));
if (sourceRef != null) {
break;
}
}
}
return sourceRef;
}
}