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org.flowable.ui.modeler.service.CmmnDisplayJsonConverter Maven / Gradle / Ivy
/* 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.flowable.ui.modeler.service;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.flowable.cmmn.editor.json.converter.CmmnJsonConverter;
import org.flowable.cmmn.model.Association;
import org.flowable.cmmn.model.Case;
import org.flowable.cmmn.model.CmmnModel;
import org.flowable.cmmn.model.Criterion;
import org.flowable.cmmn.model.GraphicInfo;
import org.flowable.cmmn.model.HttpServiceTask;
import org.flowable.cmmn.model.PlanItem;
import org.flowable.cmmn.model.PlanItemDefinition;
import org.flowable.cmmn.model.ServiceTask;
import org.flowable.cmmn.model.Stage;
import org.flowable.editor.language.json.converter.util.CollectionUtils;
import org.flowable.ui.modeler.domain.AbstractModel;
import org.flowable.ui.modeler.service.mapper.InfoMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
@Component
public class CmmnDisplayJsonConverter {
private static final Logger LOGGER = LoggerFactory.getLogger(CmmnDisplayJsonConverter.class);
protected CmmnJsonConverter cmmnJsonConverter = new CmmnJsonConverter();
protected ObjectMapper objectMapper = new ObjectMapper();
protected List eventElementTypes = new ArrayList<>();
protected Map propertyMappers = new HashMap<>();
public void processCaseElements(AbstractModel caseModel, ObjectNode displayNode, GraphicInfo diagramInfo) {
CmmnModel pojoModel = null;
if (!StringUtils.isEmpty(caseModel.getModelEditorJson())) {
try {
JsonNode modelNode = objectMapper.readTree(caseModel.getModelEditorJson());
pojoModel = cmmnJsonConverter.convertToCmmnModel(modelNode);
} catch (Exception e) {
LOGGER.error("Error transforming json to pojo {}", caseModel.getId(), e);
}
}
if (pojoModel == null || pojoModel.getLocationMap().isEmpty())
return;
ArrayNode elementArray = objectMapper.createArrayNode();
ArrayNode flowArray = objectMapper.createArrayNode();
// in initialize with fake x and y to make sure the minimal values are set
diagramInfo.setX(9999);
diagramInfo.setY(1000);
for (Case caseObject : pojoModel.getCases()) {
ObjectNode elementNode = objectMapper.createObjectNode();
elementNode.put("id", caseObject.getPlanModel().getId());
elementNode.put("name", caseObject.getPlanModel().getName());
GraphicInfo graphicInfo = pojoModel.getGraphicInfo(caseObject.getPlanModel().getId());
if (graphicInfo != null) {
fillGraphicInfo(elementNode, graphicInfo, true);
fillDiagramInfo(graphicInfo, diagramInfo);
}
elementNode.put("type", "PlanModel");
elementArray.add(elementNode);
processCriteria(caseObject.getPlanModel().getExitCriteria(), "ExitCriterion", pojoModel, elementArray);
processElements(caseObject.getPlanModel().getPlanItems(), pojoModel, elementArray, flowArray, diagramInfo);
}
for (Association association : pojoModel.getAssociations()) {
ObjectNode elementNode = objectMapper.createObjectNode();
elementNode.put("id", association.getId());
elementNode.put("type", "Association");
elementNode.put("sourceRef", association.getSourceRef());
elementNode.put("targetRef", association.getTargetRef());
List flowInfo = pojoModel.getFlowLocationGraphicInfo(association.getId());
if (CollectionUtils.isNotEmpty(flowInfo)) {
ArrayNode waypointArray = objectMapper.createArrayNode();
for (GraphicInfo graphicInfo : flowInfo) {
ObjectNode pointNode = objectMapper.createObjectNode();
fillGraphicInfo(pointNode, graphicInfo, false);
waypointArray.add(pointNode);
fillDiagramInfo(graphicInfo, diagramInfo);
}
elementNode.set("waypoints", waypointArray);
flowArray.add(elementNode);
}
}
displayNode.set("elements", elementArray);
displayNode.set("flows", flowArray);
displayNode.put("diagramBeginX", diagramInfo.getX());
displayNode.put("diagramBeginY", diagramInfo.getY());
displayNode.put("diagramWidth", diagramInfo.getWidth());
displayNode.put("diagramHeight", diagramInfo.getHeight());
}
protected void processElements(List planItemList, CmmnModel model, ArrayNode elementArray, ArrayNode flowArray, GraphicInfo diagramInfo) {
for (PlanItem planItem : planItemList) {
ObjectNode elementNode = objectMapper.createObjectNode();
elementNode.put("id", planItem.getId());
elementNode.put("name", planItem.getName());
GraphicInfo graphicInfo = model.getGraphicInfo(planItem.getId());
if (graphicInfo != null) {
fillGraphicInfo(elementNode, graphicInfo, true);
fillDiagramInfo(graphicInfo, diagramInfo);
}
PlanItemDefinition planItemDefinition = planItem.getPlanItemDefinition();
String className = planItemDefinition.getClass().getSimpleName();
elementNode.put("type", className);
if (planItemDefinition instanceof ServiceTask) {
ServiceTask serviceTask = (ServiceTask) planItemDefinition;
if (HttpServiceTask.HTTP_TASK.equals(serviceTask.getType())) {
elementNode.put("taskType", "http");
}
}
elementArray.add(elementNode);
processCriteria(planItem.getEntryCriteria(), "EntryCriterion", model, elementArray);
processCriteria(planItem.getExitCriteria(), "ExitCriterion", model, elementArray);
if (planItemDefinition instanceof Stage) {
Stage stage = (Stage) planItemDefinition;
processElements(stage.getPlanItems(), model, elementArray, flowArray, diagramInfo);
}
}
}
protected void processCriteria(List criteria, String type, CmmnModel model, ArrayNode elementArray) {
for (Criterion criterion : criteria) {
ObjectNode criterionNode = objectMapper.createObjectNode();
criterionNode.put("id", criterion.getId());
criterionNode.put("name", criterion.getName());
criterionNode.put("type", type);
GraphicInfo criterionGraphicInfo = model.getGraphicInfo(criterion.getId());
if (criterionGraphicInfo != null) {
fillGraphicInfo(criterionNode, criterionGraphicInfo, true);
}
elementArray.add(criterionNode);
}
}
protected void fillWaypoints(String id, CmmnModel model, ObjectNode elementNode, GraphicInfo diagramInfo) {
List flowInfo = model.getFlowLocationGraphicInfo(id);
ArrayNode waypointArray = objectMapper.createArrayNode();
for (GraphicInfo graphicInfo : flowInfo) {
ObjectNode pointNode = objectMapper.createObjectNode();
fillGraphicInfo(pointNode, graphicInfo, false);
waypointArray.add(pointNode);
fillDiagramInfo(graphicInfo, diagramInfo);
}
elementNode.set("waypoints", waypointArray);
}
protected void fillGraphicInfo(ObjectNode elementNode, GraphicInfo graphicInfo, boolean includeWidthAndHeight) {
commonFillGraphicInfo(elementNode, graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(), graphicInfo.getHeight(), includeWidthAndHeight);
}
protected void commonFillGraphicInfo(ObjectNode elementNode, double x, double y, double width, double height, boolean includeWidthAndHeight) {
elementNode.put("x", x);
elementNode.put("y", y);
if (includeWidthAndHeight) {
elementNode.put("width", width);
elementNode.put("height", height);
}
}
protected void fillDiagramInfo(GraphicInfo graphicInfo, GraphicInfo diagramInfo) {
double rightX = graphicInfo.getX() + graphicInfo.getWidth();
double bottomY = graphicInfo.getY() + graphicInfo.getHeight();
double middleX = graphicInfo.getX() + (graphicInfo.getWidth() / 2);
if (middleX < diagramInfo.getX()) {
diagramInfo.setX(middleX);
}
if (graphicInfo.getY() < diagramInfo.getY()) {
diagramInfo.setY(graphicInfo.getY());
}
if (rightX > diagramInfo.getWidth()) {
diagramInfo.setWidth(rightX);
}
if (bottomY > diagramInfo.getHeight()) {
diagramInfo.setHeight(bottomY);
}
}
}
