flowable使用extensionElements自定义节点
作者：互联网
flowable在extensionElements自定义节点，可以用作表单全局设置等
流程xml的结构如下
代码方面，自定义解析器 继承BpmnJsonConverter，重写convertToJson、convertToBpmnModel等方法
convertToJson增加以下内容：
convertToBpmnModel增加以下内容：
自定义解析器代码如下：
package com.hnac.hzinfo.flowable.utils;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.apache.commons.lang3.StringUtils;
import org.flowable.bpmn.model.*;
import org.flowable.bpmn.model.Process;
import org.flowable.editor.language.json.converter.BpmnJsonConverter;
import org.flowable.editor.language.json.converter.BpmnJsonConverterUtil;
import org.flowable.editor.language.json.converter.SequenceFlowJsonConverter;
import org.flowable.editor.language.json.converter.util.CollectionUtils;
import org.flowable.editor.language.json.converter.util.JsonConverterUtil;
import org.flowable.editor.language.json.model.ModelInfo;
import java.awt.geom.Area;
import java.util.*;
/**
* 自定义BpmnJsonConverter
* @Date 2020/2/26
**/
public class CustomBpmnJsonConverter extends BpmnJsonConverter {
private static final List<String> DI_CIRCLES = new ArrayList<>();
private static final List<String> DI_RECTANGLES = new ArrayList<>();
private static final List<String> DI_GATEWAY = new ArrayList<>();
static {
convertersToBpmnMap.put(STENCIL_TASK_USER,CustomUserTaskJsonConverter.class);
}
@Override
public ObjectNode convertToJson(BpmnModel model, Map<String, ModelInfo> formKeyMap, Map<String, ModelInfo> decisionTableKeyMap) {
ObjectNode modelNode = objectMapper.createObjectNode();
double maxX = 0.0;
double maxY = 0.0;
for (GraphicInfo flowInfo : model.getLocationMap().values()) {
if ((flowInfo.getX() + flowInfo.getWidth()) > maxX) {
maxX = flowInfo.getX() + flowInfo.getWidth();
}
if ((flowInfo.getY() + flowInfo.getHeight()) > maxY) {
maxY = flowInfo.getY() + flowInfo.getHeight();
}
}
maxX += 50;
maxY += 50;
if (maxX < 1485) {
maxX = 1485;
}
if (maxY < 700) {
maxY = 700;
}
modelNode.set("bounds", BpmnJsonConverterUtil.createBoundsNode(maxX, maxY, 0, 0));
modelNode.put("resourceId", "canvas");
ObjectNode stencilNode = objectMapper.createObjectNode();
stencilNode.put("id", "BPMNDiagram");
modelNode.set("stencil", stencilNode);
ObjectNode stencilsetNode = objectMapper.createObjectNode();
stencilsetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#");
stencilsetNode.put("url", "../editor/stencilsets/bpmn2.0/bpmn2.0.json");
modelNode.set("stencilset", stencilsetNode);
ArrayNode shapesArrayNode = objectMapper.createArrayNode();
Process mainProcess = null;
if (model.getPools().size() > 0) {
mainProcess = model.getProcess(model.getPools().get(0).getId());
} else {
mainProcess = model.getMainProcess();
}
ObjectNode propertiesNode = objectMapper.createObjectNode();
if (StringUtils.isNotEmpty(mainProcess.getId())) {
propertiesNode.put(PROPERTY_PROCESS_ID, mainProcess.getId());
}
if (StringUtils.isNotEmpty(mainProcess.getName())) {
propertiesNode.put(PROPERTY_NAME, mainProcess.getName());
}
if (StringUtils.isNotEmpty(mainProcess.getDocumentation())) {
propertiesNode.put(PROPERTY_DOCUMENTATION, mainProcess.getDocumentation());
}
if (!mainProcess.isExecutable()) {
propertiesNode.put(PROPERTY_IS_EXECUTABLE, "false");
}
if (StringUtils.isNoneEmpty(model.getTargetNamespace())) {
propertiesNode.put(PROPERTY_PROCESS_NAMESPACE, model.getTargetNamespace());
}
if (CollectionUtils.isNotEmpty(mainProcess.getCandidateStarterGroups())) {
propertiesNode.put(PROPERTY_PROCESS_POTENTIALSTARTERGROUP, StringUtils.join(mainProcess.getCandidateStarterGroups(), ","));
}
if (CollectionUtils.isNotEmpty(mainProcess.getCandidateStarterUsers())) {
propertiesNode.put(PROPERTY_PROCESS_POTENTIALSTARTERUSER, StringUtils.join(mainProcess.getCandidateStarterUsers(), ","));
}
if (mainProcess.getExtensionElements().containsKey("historyLevel")) {
List<ExtensionElement> historyExtensionElements = mainProcess.getExtensionElements().get("historyLevel");
if (historyExtensionElements != null && historyExtensionElements.size() > 0) {
String historyLevel = historyExtensionElements.get(0).getElementText();
if (StringUtils.isNotEmpty(historyLevel)) {
propertiesNode.put(PROPERTY_PROCESS_HISTORYLEVEL, historyLevel);
}
}
}
//自定义扩展节点
if (mainProcess.getExtensionElements().containsKey("customSetting")) {
List<ExtensionElement> historyExtensionElements = mainProcess.getExtensionElements().get("customSetting");
if (historyExtensionElements != null && historyExtensionElements.size() > 0) {
String customSetting = historyExtensionElements.get(0).getElementText();
if (StringUtils.isNotEmpty(customSetting)) {
propertiesNode.put("customSetting", customSetting);
}
}
}
propertiesNode.put(PROPERTY_IS_EAGER_EXECUTION_FETCHING, Boolean.valueOf(mainProcess.isEnableEagerExecutionTreeFetching()));
BpmnJsonConverterUtil.convertMessagesToJson(model.getMessages(), propertiesNode);
BpmnJsonConverterUtil.convertListenersToJson(mainProcess.getExecutionListeners(), true, propertiesNode);
BpmnJsonConverterUtil.convertEventListenersToJson(mainProcess.getEventListeners(), propertiesNode);
BpmnJsonConverterUtil.convertSignalDefinitionsToJson(model, propertiesNode);
BpmnJsonConverterUtil.convertMessagesToJson(model, propertiesNode);
BpmnJsonConverterUtil.convertEscalationDefinitionsToJson(model, propertiesNode);
if (CollectionUtils.isNotEmpty(mainProcess.getDataObjects())) {
BpmnJsonConverterUtil.convertDataPropertiesToJson(mainProcess.getDataObjects(), propertiesNode);
}
modelNode.set(EDITOR_SHAPE_PROPERTIES, propertiesNode);
boolean poolHasDI = false;
if (model.getPools().size() > 0) {
for (Pool pool : model.getPools()) {
GraphicInfo graphicInfo = model.getGraphicInfo(pool.getId());
if (graphicInfo != null) {
poolHasDI = true;
break;
}
}
}
if (model.getPools().size() > 0 && poolHasDI) {
for (Pool pool : model.getPools()) {
GraphicInfo poolGraphicInfo = model.getGraphicInfo(pool.getId());
if (poolGraphicInfo == null)
continue;
ObjectNode poolNode = BpmnJsonConverterUtil.createChildShape(pool.getId(), STENCIL_POOL, poolGraphicInfo.getX() + poolGraphicInfo.getWidth(),
poolGraphicInfo.getY() + poolGraphicInfo.getHeight(), poolGraphicInfo.getX(), poolGraphicInfo.getY());
shapesArrayNode.add(poolNode);
ObjectNode poolPropertiesNode = objectMapper.createObjectNode();
poolPropertiesNode.put(PROPERTY_OVERRIDE_ID, pool.getId());
poolPropertiesNode.put(PROPERTY_PROCESS_ID, pool.getProce***ef());
if (!pool.isExecutable()) {
poolPropertiesNode.put(PROPERTY_IS_EXECUTABLE, "false");
}
if (StringUtils.isNotEmpty(pool.getName())) {
poolPropertiesNode.put(PROPERTY_NAME, pool.getName());
}
poolNode.set(EDITOR_SHAPE_PROPERTIES, poolPropertiesNode);
ArrayNode laneShapesArrayNode = objectMapper.createArrayNode();
poolNode.set(EDITOR_CHILD_SHAPES, laneShapesArrayNode);
ArrayNode outgoingArrayNode = objectMapper.createArrayNode();
poolNode.set("outgoing", outgoingArrayNode);
Process process = model.getProcess(pool.getId());
if (process != null) {
Map<String, ArrayNode> laneMap = new HashMap<>();
for (Lane lane : process.getLanes()) {
GraphicInfo laneGraphicInfo = model.getGraphicInfo(lane.getId());
if (laneGraphicInfo == null)
continue;
ObjectNode laneNode = BpmnJsonConverterUtil.createChildShape(lane.getId(), STENCIL_LANE, laneGraphicInfo.getX() + laneGraphicInfo.getWidth() - poolGraphicInfo.getX(),
laneGraphicInfo.getY() + laneGraphicInfo.getHeight() - poolGraphicInfo.getY(), laneGraphicInfo.getX() - poolGraphicInfo.getX(), laneGraphicInfo.getY() - poolGraphicInfo.getY());
laneShapesArrayNode.add(laneNode);
ObjectNode lanePropertiesNode = objectMapper.createObjectNode();
lanePropertiesNode.put(PROPERTY_OVERRIDE_ID, lane.getId());
if (StringUtils.isNotEmpty(lane.getName())) {
lanePropertiesNode.put(PROPERTY_NAME, lane.getName());
}
laneNode.set(EDITOR_SHAPE_PROPERTIES, lanePropertiesNode);
ArrayNode elementShapesArrayNode = objectMapper.createArrayNode();
laneNode.set(EDITOR_CHILD_SHAPES, elementShapesArrayNode);
laneNode.set("outgoing", objectMapper.createArrayNode());
laneMap.put(lane.getId(), elementShapesArrayNode);
}
for (FlowElement flowElement : process.getFlowElements()) {
Lane laneForElement = null;
GraphicInfo laneGraphicInfo = null;
FlowElement lookForElement = null;
if (flowElement instanceof SequenceFlow) {
SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
lookForElement = model.getFlowElement(sequenceFlow.getSourceRef());
} else {
lookForElement = flowElement;
}
for (Lane lane : process.getLanes()) {
if (lane.getFlowReferences().contains(lookForElement.getId())) {
laneGraphicInfo = model.getGraphicInfo(lane.getId());
if (laneGraphicInfo != null) {
laneForElement = lane;
}
break;
}
}
if (flowElement instanceof SequenceFlow || laneForElement != null) {
processFlowElement(flowElement, process, model, laneMap.get(laneForElement.getId()), formKeyMap,
decisionTableKeyMap, laneGraphicInfo.getX(), laneGraphicInfo.getY());
}
}
processArtifacts(process, model, shapesArrayNode, 0.0, 0.0);
}
for (MessageFlow messageFlow : model.getMessageFlows().values()) {
if (messageFlow.getSourceRef().equals(pool.getId())) {
outgoingArrayNode.add(BpmnJsonConverterUtil.createResourceNode(messageFlow.getId()));
}
}
}
processMessageFlows(model, shapesArrayNode);
} else {
processFlowElements(model.getMainProcess(), model, shapesArrayNode, formKeyMap, decisionTableKeyMap, 0.0, 0.0);
processMessageFlows(model, shapesArrayNode);
}
modelNode.set(EDITOR_CHILD_SHAPES, shapesArrayNode);
return modelNode;
}
@Override
public BpmnModel convertToBpmnModel(JsonNode modelNode, Map<String, String> formKeyMap, Map<String, String> decisionTableKeyMap) {
BpmnModel bpmnModel = new BpmnModel();
bpmnModel.setTargetNamespace("http://flowable.org/test");
Map<String, JsonNode> shapeMap = new HashMap<>();
Map<String, JsonNode> sourceRefMap = new HashMap<>();
Map<String, JsonNode> edgeMap = new HashMap<>();
Map<String, List<JsonNode>> sourceAndTargetMap = new HashMap<>();
readShapeDI(modelNode, 0, 0, shapeMap, sourceRefMap, bpmnModel);
filterAllEdges(modelNode, edgeMap, sourceAndTargetMap, shapeMap, sourceRefMap);
readEdgeDI(edgeMap, sourceAndTargetMap, bpmnModel);
ArrayNode shapesArrayNode = (ArrayNode) modelNode.get(EDITOR_CHILD_SHAPES);
if (shapesArrayNode == null || shapesArrayNode.size() == 0) {
return bpmnModel;
}
boolean nonEmptyPoolFound = false;
Map<String, Lane> elementInLaneMap = new HashMap<>();
// first create the pool structure
for (JsonNode shapeNode : shapesArrayNode) {
String stencilId = BpmnJsonConverterUtil.getStencilId(shapeNode);
if (STENCIL_POOL.equals(stencilId)) {
Pool pool = new Pool();
pool.setId(BpmnJsonConverterUtil.getElementId(shapeNode));
pool.setName(JsonConverterUtil.getPropertyValueAsString(PROPERTY_NAME, shapeNode));
pool.setProce***ef(JsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_ID, shapeNode));
pool.setExecutable(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_IS_EXECUTABLE, shapeNode, true));
bpmnModel.getPools().add(pool);
Process process = new Process();
process.setId(pool.getProce***ef());
process.setName(pool.getName());
process.setExecutable(pool.isExecutable());
process.setEnableEagerExecutionTreeFetching(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_IS_EAGER_EXECUTION_FETCHING, shapeNode, false));
BpmnJsonConverterUtil.convertJsonToMessages(modelNode, bpmnModel);
BpmnJsonConverterUtil.convertJsonToListeners(modelNode, process);
JsonNode eventListenersNode = BpmnJsonConverterUtil.getProperty(PROPERTY_EVENT_LISTENERS, modelNode);
if (eventListenersNode != null) {
eventListenersNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(eventListenersNode);
BpmnJsonConverterUtil.parseEventListeners(eventListenersNode.get(PROPERTY_EVENTLISTENER_VALUE), process);
}
JsonNode processDataPropertiesNode = modelNode.get(EDITOR_SHAPE_PROPERTIES).get(PROPERTY_DATA_PROPERTIES);
if (processDataPropertiesNode != null) {
List<ValuedDataObject> dataObjects = BpmnJsonConverterUtil.convertJsonToDataProperties(processDataPropertiesNode, process);
process.setDataObjects(dataObjects);
process.getFlowElements().addAll(dataObjects);
}
bpmnModel.addProcess(process);
ArrayNode laneArrayNode = (ArrayNode) shapeNode.get(EDITOR_CHILD_SHAPES);
for (JsonNode laneNode : laneArrayNode) {
// should be a lane, but just check to be certain
String laneStencilId = BpmnJsonConverterUtil.getStencilId(laneNode);
if (STENCIL_LANE.equals(laneStencilId)) {
nonEmptyPoolFound = true;
Lane lane = new Lane();
lane.setId(BpmnJsonConverterUtil.getElementId(laneNode));
lane.setName(JsonConverterUtil.getPropertyValueAsString(PROPERTY_NAME, laneNode));
lane.setParentProcess(process);
process.getLanes().add(lane);
processJsonElements(laneNode.get(EDITOR_CHILD_SHAPES), modelNode, lane, shapeMap, formKeyMap, decisionTableKeyMap, bpmnModel);
if (CollectionUtils.isNotEmpty(lane.getFlowReferences())) {
for (String elementRef : lane.getFlowReferences()) {
elementInLaneMap.put(elementRef, lane);
}
}
}
}
}
}
// Signal Definitions exist on the root level
JsonNode signalDefinitionNode = BpmnJsonConverterUtil.getProperty(PROPERTY_SIGNAL_DEFINITIONS, modelNode);
signalDefinitionNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(signalDefinitionNode);
signalDefinitionNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(signalDefinitionNode); // no idea why this needs to be done twice ..
if (signalDefinitionNode != null) {
if (signalDefinitionNode instanceof ArrayNode) {
ArrayNode signalDefinitionArrayNode = (ArrayNode) signalDefinitionNode;
Iterator<JsonNode> signalDefinitionIterator = signalDefinitionArrayNode.iterator();
while (signalDefinitionIterator.hasNext()) {
JsonNode signalDefinitionJsonNode = signalDefinitionIterator.next();
String signalId = signalDefinitionJsonNode.get(PROPERTY_SIGNAL_DEFINITION_ID).asText();
String signalName = signalDefinitionJsonNode.get(PROPERTY_SIGNAL_DEFINITION_NAME).asText();
String signalScope = signalDefinitionJsonNode.get(PROPERTY_SIGNAL_DEFINITION_SCOPE).asText();
if (StringUtils.isNotEmpty(signalId) && StringUtils.isNotEmpty(signalName)) {
Signal signal = new Signal();
signal.setId(signalId);
signal.setName(signalName);
signal.setScope(signalScope.toLowerCase().equals("processinstance") ? Signal.SCOPE_PROCESS_INSTANCE : Signal.SCOPE_GLOBAL);
bpmnModel.addSignal(signal);
}
}
}
}
// Escalation Definitions exist on the root level
JsonNode escalationDefinitionNode = BpmnJsonConverterUtil.getProperty(PROPERTY_ESCALATION_DEFINITIONS, modelNode);
escalationDefinitionNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(escalationDefinitionNode);
escalationDefinitionNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(escalationDefinitionNode); // no idea why this needs to be done twice ..
if (escalationDefinitionNode != null) {
if (escalationDefinitionNode instanceof ArrayNode) {
ArrayNode escalationDefinitionArrayNode = (ArrayNode) escalationDefinitionNode;
for (JsonNode signalDefinitionJsonNode : escalationDefinitionArrayNode) {
String escalationId = signalDefinitionJsonNode.get(PROPERTY_ESCALATION_DEFINITION_ID).asText();
String escalationName = signalDefinitionJsonNode.get(PROPERTY_ESCALATION_DEFINITION_NAME).asText();
if (StringUtils.isNotEmpty(escalationId) && StringUtils.isNotEmpty(escalationName)) {
Escalation escalation = new Escalation();
escalation.setId(escalationId);
escalation.setEscalationCode(escalationId);
escalation.setName(escalationName);
bpmnModel.addEscalation(escalation);
}
}
}
}
if (!nonEmptyPoolFound) {
Process process = new Process();
bpmnModel.getProcesses().add(process);
process.setId(BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_ID, modelNode));
process.setName(BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_NAME, modelNode));
String namespace = BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_NAMESPACE, modelNode);
if (StringUtils.isNotEmpty(namespace)) {
bpmnModel.setTargetNamespace(namespace);
}
process.setDocumentation(BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_DOCUMENTATION, modelNode));
JsonNode processExecutableNode = JsonConverterUtil.getProperty(PROPERTY_IS_EXECUTABLE, modelNode);
if (processExecutableNode != null && StringUtils.isNotEmpty(processExecutableNode.asText())) {
process.setExecutable(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_IS_EXECUTABLE, modelNode));
}
String historyLevel = BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_HISTORYLEVEL, modelNode);
if (StringUtils.isNotEmpty(historyLevel)) {
ExtensionElement historyExtensionElement = new ExtensionElement();
historyExtensionElement.setName("historyLevel");
historyExtensionElement.setNamespace("http://flowable.org/bpmn");
historyExtensionElement.setNamespacePrefix("flowable");
historyExtensionElement.setElementText(historyLevel);
process.addExtensionElement(historyExtensionElement);
}
//自定义节点
String customSetting = BpmnJsonConverterUtil.getPropertyValueAsString("customSetting", modelNode);
if (StringUtils.isNotEmpty(customSetting)) {
ExtensionElement customSettingExtensionElement = new ExtensionElement();
customSettingExtensionElement.setName("customSetting");
customSettingExtensionElement.setNamespace("http://flowable.org/bpmn");
customSettingExtensionElement.setNamespacePrefix("flowable");
customSettingExtensionElement.setElementText(customSetting);
process.addExtensionElement(customSettingExtensionElement);
}
BpmnJsonConverterUtil.convertJsonToMessages(modelNode, bpmnModel);
BpmnJsonConverterUtil.convertJsonToListeners(modelNode, process);
JsonNode eventListenersNode = BpmnJsonConverterUtil.getProperty(PROPERTY_EVENT_LISTENERS, modelNode);
if (eventListenersNode != null) {
eventListenersNode = BpmnJsonConverterUtil.validateIfNodeIsTextual(eventListenersNode);
BpmnJsonConverterUtil.parseEventListeners(eventListenersNode.get(PROPERTY_EVENTLISTENER_VALUE), process);
}
JsonNode processDataPropertiesNode = modelNode.get(EDITOR_SHAPE_PROPERTIES).get(PROPERTY_DATA_PROPERTIES);
if (processDataPropertiesNode != null) {
List<ValuedDataObject> dataObjects = BpmnJsonConverterUtil.convertJsonToDataProperties(processDataPropertiesNode, process);
process.setDataObjects(dataObjects);
process.getFlowElements().addAll(dataObjects);
}
String userStarterValue = BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_POTENTIALSTARTERUSER, modelNode);
String groupStarterValue = BpmnJsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_POTENTIALSTARTERGROUP, modelNode);
if (StringUtils.isNotEmpty(userStarterValue)) {
String userStartArray[] = userStarterValue.split(",");
List<String> userStarters = new ArrayList<>(Arrays.asList(userStartArray));
process.setCandidateStarterUsers(userStarters);
}
if (StringUtils.isNotEmpty(groupStarterValue)) {
String groupStarterArray[] = groupStarterValue.split(",");
List<String> groupStarters = new ArrayList<>(Arrays.asList(groupStarterArray));
process.setCandidateStarterGroups(groupStarters);
}
process.setEnableEagerExecutionTreeFetching(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_IS_EAGER_EXECUTION_FETCHING, modelNode, false));
processJsonElements(shapesArrayNode, modelNode, process, shapeMap, formKeyMap, decisionTableKeyMap, bpmnModel);
} else {
// sequence flows are on root level so need additional parsing for pools
for (JsonNode shapeNode : shapesArrayNode) {
if (STENCIL_SEQUENCE_FLOW.equalsIgnoreCase(BpmnJsonConverterUtil.getStencilId(shapeNode)) || STENCIL_ASSOCIATION.equalsIgnoreCase(BpmnJsonConverterUtil.getStencilId(shapeNode))) {
String sourceRef = BpmnJsonConverterUtil.lookForSourceRef(shapeNode.get(EDITOR_SHAPE_ID).asText(), modelNode.get(EDITOR_CHILD_SHAPES));
if (sourceRef != null) {
Lane lane = elementInLaneMap.get(sourceRef);
SequenceFlowJsonConverter flowConverter = new SequenceFlowJsonConverter();
if (lane != null) {
flowConverter.convertToBpmnModel(shapeNode, modelNode, this, lane, shapeMap, bpmnModel);
} else {
flowConverter.convertToBpmnModel(shapeNode, modelNode, this, bpmnModel.getProcesses().get(0), shapeMap, bpmnModel);
}
}
}
}
}
// sequence flows are now all on root level
Map<String, SubProcess> subShapesMap = new HashMap<>();
for (Process process : bpmnModel.getProcesses()) {
for (FlowElement flowElement : process.findFlowElementsOfType(SubProcess.class)) {
SubProcess subProcess = (SubProcess) flowElement;
fillSubShapes(subShapesMap, subProcess);
}
if (subShapesMap.size() > 0) {
List<String> removeSubFlowsList = new ArrayList<>();
for (FlowElement flowElement : process.findFlowElementsOfType(SequenceFlow.class)) {
SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
if (subShapesMap.containsKey(sequenceFlow.getSourceRef())) {
SubProcess subProcess = subShapesMap.get(sequenceFlow.getSourceRef());
if (subProcess.getFlowElement(sequenceFlow.getId()) == null) {
subProcess.addFlowElement(sequenceFlow);
removeSubFlowsList.add(sequenceFlow.getId());
}
}
}
List<SubProcess> collapsedSubProcess = new ArrayList<>();
for (SubProcess subProcess : subShapesMap.values()) {
// determine if its a collapsed subprocess
GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(subProcess.getId());
if (graphicInfo != null && Boolean.FALSE.equals(graphicInfo.getExpanded())){
collapsedSubProcess.add(subProcess);
}
}
for (String flowId : removeSubFlowsList) {
process.removeFlowElement(flowId);
// check if the sequenceflow to remove is not assigned to a collapsed subprocess.
for (SubProcess subProcess : collapsedSubProcess) {
subProcess.removeFlowElement(flowId);
}
}
}
}
Map<String, FlowWithContainer> allFlowMap = new HashMap<>();
List<Gateway> gatewayWithOrderList = new ArrayList<>();
// post handling of process elements
for (Process process : bpmnModel.getProcesses()) {
postProcessElements(process, process.getFlowElements(), edgeMap, bpmnModel, allFlowMap, gatewayWithOrderList);
}
// sort the sequence flows
for (Gateway gateway : gatewayWithOrderList) {
List<ExtensionElement> orderList = gateway.getExtensionElements().get("EDITOR_FLOW_ORDER");
if (CollectionUtils.isNotEmpty(orderList)) {
for (ExtensionElement orderElement : orderList) {
String flowValue = orderElement.getElementText();
if (StringUtils.isNotEmpty(flowValue)) {
if (allFlowMap.containsKey(flowValue)) {
FlowWithContainer flowWithContainer = allFlowMap.get(flowValue);
flowWithContainer.getFlowContainer().removeFlowElement(flowWithContainer.getSequenceFlow().getId());
flowWithContainer.getFlowContainer().addFlowElement(flowWithContainer.getSequenceFlow());
}
}
}
}
gateway.getExtensionElements().remove("EDITOR_FLOW_ORDER");
}
return bpmnModel;
}
private void postProcessElements(FlowElementsContainer parentContainer, Collection<FlowElement> flowElementList, Map<String, JsonNode> edgeMap, BpmnModel bpmnModel,
Map<String, FlowWithContainer> allFlowMap, List<Gateway> gatewayWithOrderList) {
for (FlowElement flowElement : flowElementList) {
parentContainer.addFlowElementToMap(flowElement);
if (flowElement instanceof Event) {
Event event = (Event) flowElement;
if (CollectionUtils.isNotEmpty(event.getEventDefinitions())) {
EventDefinition eventDef = event.getEventDefinitions().get(0);
if (eventDef instanceof SignalEventDefinition) {
SignalEventDefinition signalEventDef = (SignalEventDefinition) eventDef;
if (StringUtils.isNotEmpty(signalEventDef.getSignalRef())) {
if (bpmnModel.getSignal(signalEventDef.getSignalRef()) == null) {
bpmnModel.addSignal(new Signal(signalEventDef.getSignalRef(), signalEventDef.getSignalRef()));
}
}
} else if (eventDef instanceof MessageEventDefinition) {
MessageEventDefinition messageEventDef = (MessageEventDefinition) eventDef;
if (StringUtils.isNotEmpty(messageEventDef.getMessageRef())) {
if (bpmnModel.getMessage(messageEventDef.getMessageRef()) == null) {
bpmnModel.addMessage(new Message(messageEventDef.getMessageRef(), messageEventDef.getMessageRef(), null));
}
}
}
}
}
if (flowElement instanceof BoundaryEvent) {
BoundaryEvent boundaryEvent = (BoundaryEvent) flowElement;
Activity activity = retrieveAttachedRefObject(boundaryEvent.getAttachedToRefId(), parentContainer.getFlowElements());
if (activity == null) {
LOGGER.warn("Boundary event {} is not attached to any activity", boundaryEvent.getId());
} else {
boundaryEvent.setAttachedToRef(activity);
activity.getBoundaryEvents().add(boundaryEvent);
}
} else if (flowElement instanceof Gateway) {
if (flowElement.getExtensionElements().containsKey("EDITOR_FLOW_ORDER")) {
gatewayWithOrderList.add((Gateway) flowElement);
}
} else if (flowElement instanceof SubProcess) {
SubProcess subProcess = (SubProcess) flowElement;
postProcessElements(subProcess, subProcess.getFlowElements(), edgeMap, bpmnModel, allFlowMap, gatewayWithOrderList);
} else if (flowElement instanceof SequenceFlow) {
SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
FlowElement sourceFlowElement = parentContainer.getFlowElement(sequenceFlow.getSourceRef());
if (sourceFlowElement instanceof FlowNode) {
FlowWithContainer flowWithContainer = new FlowWithContainer(sequenceFlow, parentContainer);
if (sequenceFlow.getExtensionElements().get("EDITOR_RESOURCEID") != null && sequenceFlow.getExtensionElements().get("EDITOR_RESOURCEID").size() > 0) {
allFlowMap.put(sequenceFlow.getExtensionElements().get("EDITOR_RESOURCEID").get(0).getElementText(), flowWithContainer);
sequenceFlow.getExtensionElements().remove("EDITOR_RESOURCEID");
}
((FlowNode) sourceFlowElement).getOutgoingFlows().add(sequenceFlow);
JsonNode edgeNode = edgeMap.get(sequenceFlow.getId());
if (edgeNode != null) {
boolean isDefault = JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_SEQUENCEFLOW_DEFAULT, edgeNode);
if (isDefault) {
if (sourceFlowElement instanceof Activity) {
((Activity) sourceFlowElement).setDefaultFlow(sequenceFlow.getId());
} else if (sourceFlowElement instanceof Gateway) {
((Gateway) sourceFlowElement).setDefaultFlow(sequenceFlow.getId());
}
}
}
}
FlowElement targetFlowElement = parentContainer.getFlowElement(sequenceFlow.getTargetRef());
if (targetFlowElement instanceof FlowNode) {
((FlowNode) targetFlowElement).getIncomingFlows().add(sequenceFlow);
}
}
}
}
private Activity retrieveAttachedRefObject(String attachedToRefId, Collection<FlowElement> flowElementList) {
Activity activity = null;
if (StringUtils.isNotEmpty(attachedToRefId)) {
for (FlowElement flowElement : flowElementList) {
if (attachedToRefId.equals(flowElement.getId())) {
activity = (Activity) flowElement;
break;
} else if (flowElement instanceof SubProcess) {
SubProcess subProcess = (SubProcess) flowElement;
Activity retrievedActivity = retrieveAttachedRefObject(attachedToRefId, subProcess.getFlowElements());
if (retrievedActivity != null) {
activity = retrievedActivity;
break;
}
}
}
}
return activity;
}
private void readShapeDI(JsonNode objectNode, double parentX, double parentY, Map<String, JsonNode> shapeMap, Map<String, JsonNode> sourceRefMap, BpmnModel bpmnModel) {
if (objectNode.get(EDITOR_CHILD_SHAPES) != null) {
for (JsonNode jsonChildNode : objectNode.get(EDITOR_CHILD_SHAPES)) {
String stencilId = BpmnJsonConverterUtil.getStencilId(jsonChildNode);
if (!STENCIL_SEQUENCE_FLOW.equals(stencilId)) {
GraphicInfo graphicInfo = new GraphicInfo();
JsonNode boundsNode = jsonChildNode.get(EDITOR_BOUNDS);
ObjectNode upperLeftNode = (ObjectNode) boundsNode.get(EDITOR_BOUNDS_UPPER_LEFT);
ObjectNode lowerRightNode = (ObjectNode) boundsNode.get(EDITOR_BOUNDS_LOWER_RIGHT);
graphicInfo.setX(upperLeftNode.get(EDITOR_BOUNDS_X).asDouble() + parentX);
graphicInfo.setY(upperLeftNode.get(EDITOR_BOUNDS_Y).asDouble() + parentY);
graphicInfo.setWidth(lowerRightNode.get(EDITOR_BOUNDS_X).asDouble() - graphicInfo.getX() + parentX);
graphicInfo.setHeight(lowerRightNode.get(EDITOR_BOUNDS_Y).asDouble() - graphicInfo.getY() + parentY);
String childShapeId = jsonChildNode.get(EDITOR_SHAPE_ID).asText();
bpmnModel.addGraphicInfo(BpmnJsonConverterUtil.getElementId(jsonChildNode), graphicInfo);
shapeMap.put(childShapeId, jsonChildNode);
ArrayNode outgoingNode = (ArrayNode) jsonChildNode.get("outgoing");
if (outgoingNode != null && outgoingNode.size() > 0) {
for (JsonNode outgoingChildNode : outgoingNode) {
JsonNode resourceNode = outgoingChildNode.get(EDITOR_SHAPE_ID);
if (resourceNode != null) {
sourceRefMap.put(resourceNode.asText(), jsonChildNode);
}
}
}
//The graphic info of the collapsed subprocess is relative to its parent.
//But the children of the collapsed subprocess are relative to the canvas upper corner. (always 0,0)
if (STENCIL_COLLAPSED_SUB_PROCESS.equals(stencilId)) {
readShapeDI(jsonChildNode, 0,0, shapeMap, sourceRefMap, bpmnModel);
} else {
readShapeDI(jsonChildNode, graphicInfo.getX(), graphicInfo.getY(), shapeMap, sourceRefMap, bpmnModel);
}
}
}
}
}
private void filterAllEdges(JsonNode objectNode, Map<String, JsonNode> edgeMap, Map<String, List<JsonNode>> sourceAndTargetMap, Map<String, JsonNode> shapeMap, Map<String, JsonNode> sourceRefMap) {
if (objectNode.get(EDITOR_CHILD_SHAPES) != null) {
for (JsonNode jsonChildNode : objectNode.get(EDITOR_CHILD_SHAPES)) {
ObjectNode childNode = (ObjectNode) jsonChildNode;
String stencilId = BpmnJsonConverterUtil.getStencilId(childNode);
if (STENCIL_SUB_PROCESS.equals(stencilId) || STENCIL_POOL.equals(stencilId) || STENCIL_LANE.equals(stencilId) ||
STENCIL_COLLAPSED_SUB_PROCESS.equals(stencilId) || STENCIL_EVENT_SUB_PROCESS.equals(stencilId)) {
filterAllEdges(childNode, edgeMap, sourceAndTargetMap, shapeMap, sourceRefMap);
} else if (STENCIL_SEQUENCE_FLOW.equals(stencilId) || STENCIL_ASSOCIATION.equals(stencilId)) {
String childEdgeId = BpmnJsonConverterUtil.getElementId(childNode);
JsonNode targetNode = childNode.get("target");
if (targetNode != null && !targetNode.isNull()) {
String targetRefId = targetNode.get(EDITOR_SHAPE_ID).asText();
List<JsonNode> sourceAndTargetList = new ArrayList<>();
sourceAndTargetList.add(sourceRefMap.get(childNode.get(EDITOR_SHAPE_ID).asText()));
sourceAndTargetList.add(shapeMap.get(targetRefId));
sourceAndTargetMap.put(childEdgeId, sourceAndTargetList);
}
edgeMap.put(childEdgeId, childNode);
}
}
}
}
private void readEdgeDI(Map<String, JsonNode> edgeMap, Map<String, List<JsonNode>> sourceAndTargetMap, BpmnModel bpmnModel) {
for (String edgeId : edgeMap.keySet()) {
JsonNode edgeNode = edgeMap.get(edgeId);
List<JsonNode> sourceAndTargetList = sourceAndTargetMap.get(edgeId);
JsonNode sourceRefNode = null;
JsonNode targetRefNode = null;
if (sourceAndTargetList != null && sourceAndTargetList.size() > 1) {
sourceRefNode = sourceAndTargetList.get(0);
targetRefNode = sourceAndTargetList.get(1);
}
if (sourceRefNode == null) {
LOGGER.info("Skipping edge {} because source ref is null", edgeId);
continue;
}
if (targetRefNode == null) {
LOGGER.info("Skipping edge {} because target ref is null", edgeId);
continue;
}
JsonNode dockersNode = edgeNode.get(EDITOR_DOCKERS);
double sourceDockersX = dockersNode.get(0).get(EDITOR_BOUNDS_X).asDouble();
double sourceDockersY = dockersNode.get(0).get(EDITOR_BOUNDS_Y).asDouble();
GraphicInfo sourceInfo = bpmnModel.getGraphicInfo(BpmnJsonConverterUtil.getElementId(sourceRefNode));
GraphicInfo targetInfo = bpmnModel.getGraphicInfo(BpmnJsonConverterUtil.getElementId(targetRefNode));
double sourceRefLineX = sourceInfo.getX() + sourceDockersX;
double sourceRefLineY = sourceInfo.getY() + sourceDockersY;
double nextPointInLineX;
double nextPointInLineY;
nextPointInLineX = dockersNode.get(1).get(EDITOR_BOUNDS_X).asDouble();
nextPointInLineY = dockersNode.get(1).get(EDITOR_BOUNDS_Y).asDouble();
if (dockersNode.size() == 2) {
nextPointInLineX += targetInfo.getX();
nextPointInLineY += targetInfo.getY();
}
java.awt.geom.Line2D firstLine = new java.awt.geom.Line2D.Double(sourceRefLineX, sourceRefLineY, nextPointInLineX, nextPointInLineY);
String sourceRefStencilId = BpmnJsonConverterUtil.getStencilId(sourceRefNode);
String targetRefStencilId = BpmnJsonConverterUtil.getStencilId(targetRefNode);
List<GraphicInfo> graphicInfoList = new ArrayList<>();
Area source2D = null;
if (DI_CIRCLES.contains(sourceRefStencilId)) {
source2D = createEllipse(sourceInfo, sourceDockersX, sourceDockersY);
} else if (DI_RECTANGLES.contains(sourceRefStencilId)) {
source2D = createRectangle(sourceInfo);
} else if (DI_GATEWAY.contains(sourceRefStencilId)) {
source2D = createGateway(sourceInfo);
}
if (source2D != null) {
Collection<java.awt.geom.Point2D> intersections = getIntersections(firstLine, source2D);
if (intersections != null && intersections.size() > 0) {
java.awt.geom.Point2D intersection = intersections.iterator().next();
graphicInfoList.add(createGraphicInfo(intersection.getX(), intersection.getY()));
} else {
graphicInfoList.add(createGraphicInfo(sourceRefLineX, sourceRefLineY));
}
}
java.awt.geom.Line2D lastLine = null;
if (dockersNode.size() > 2) {
for (int i = 1; i < dockersNode.size() - 1; i++) {
double x = dockersNode.get(i).get(EDITOR_BOUNDS_X).asDouble();
double y = dockersNode.get(i).get(EDITOR_BOUNDS_Y).asDouble();
graphicInfoList.add(createGraphicInfo(x, y));
}
double startLastLineX = dockersNode.get(dockersNode.size() - 2).get(EDITOR_BOUNDS_X).asDouble();
double startLastLineY = dockersNode.get(dockersNode.size() - 2).get(EDITOR_BOUNDS_Y).asDouble();
double endLastLineX = dockersNode.get(dockersNode.size() - 1).get(EDITOR_BOUNDS_X).asDouble();
double endLastLineY = dockersNode.get(dockersNode.size() - 1).get(EDITOR_BOUNDS_Y).asDouble();
endLastLineX += targetInfo.getX();
endLastLineY += targetInfo.getY();
lastLine = new java.awt.geom.Line2D.Double(startLastLineX, startLastLineY, endLastLineX, endLastLineY);
} else {
lastLine = firstLine;
}
Area target2D = null;
if (DI_RECTANGLES.contains(targetRefStencilId)) {
target2D = createRectangle(targetInfo);
} else if (DI_CIRCLES.contains(targetRefStencilId)) {
double targetDockersX = dockersNode.get(dockersNode.size() - 1).get(EDITOR_BOUNDS_X).asDouble();
double targetDockersY = dockersNode.get(dockersNode.size() - 1).get(EDITOR_BOUNDS_Y).asDouble();
target2D = createEllipse(targetInfo, targetDockersX, targetDockersY);
} else if (DI_GATEWAY.contains(targetRefStencilId)) {
target2D = createGateway(targetInfo);
}
if (target2D != null) {
Collection<java.awt.geom.Point2D> intersections = getIntersections(lastLine, target2D);
if (intersections != null && intersections.size() > 0) {
java.awt.geom.Point2D intersection = intersections.iterator().next();
graphicInfoList.add(createGraphicInfo(intersection.getX(), intersection.getY()));
} else {
graphicInfoList.add(createGraphicInfo(lastLine.getX2(), lastLine.getY2()));
}
}
bpmnModel.addFlowGraphicInfoList(edgeId, graphicInfoList);
}
}
private GraphicInfo createGraphicInfo(double x, double y) {
GraphicInfo graphicInfo = new GraphicInfo();
graphicInfo.setX(x);
graphicInfo.setY(y);
return graphicInfo;
}
private void fillSubShapes(Map<String, SubProcess> subShapesMap, SubProcess subProcess) {
for (FlowElement flowElement : subProcess.getFlowElements()) {
if (flowElement instanceof SubProcess) {
SubProcess childSubProcess = (SubProcess) flowElement;
subShapesMap.put(childSubProcess.getId(), subProcess);
fillSubShapes(subShapesMap, childSubProcess);
} else {
subShapesMap.put(flowElement.getId(), subProcess);
}
}
}
static class FlowWithContainer {
protected SequenceFlow sequenceFlow;
protected FlowElementsContainer flowContainer;
public FlowWithContainer(SequenceFlow sequenceFlow, FlowElementsContainer flowContainer) {
this.sequenceFlow = sequenceFlow;
this.flowContainer = flowContainer;
}
public SequenceFlow getSequenceFlow() {
return sequenceFlow;
}
public void setSequenceFlow(SequenceFlow sequenceFlow) {
this.sequenceFlow = sequenceFlow;
}
public FlowElementsContainer getFlowContainer() {
return flowContainer;
}
public void setFlowContainer(FlowElementsContainer flowContainer) {
this.flowContainer = flowContainer;
}
}
}
CustomUserTaskJsonConverter：
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang3.StringUtils;
import org.flowable.bpmn.model.*;
import org.flowable.editor.constants.StencilConstants;
import org.flowable.editor.language.json.converter.ActivityProcessor;
import org.flowable.editor.language.json.converter.BaseBpmnJsonConverter;
import org.flowable.editor.language.json.converter.UserTaskJsonConverter;
import org.flowable.editor.language.json.converter.util.CollectionUtils;
import org.flowable.editor.language.json.model.ModelInfo;
import java.util.List;
import java.util.Map;
public class CustomUserTaskJsonConverter extends UserTaskJsonConverter {
public static final String IS_EDITDATA = "iseditdata";
public static final String NODE_TYPE = "nodetype";
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 setCustomTypes(Map<String, Class<? extends BaseBpmnJsonConverter>> convertersToBpmnMap,
Map<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>> convertersToJsonMap) {
removeTypes(convertersToBpmnMap,convertersToJsonMap);
fillTypes(convertersToBpmnMap,convertersToJsonMap);
}
public static void removeTypes(Map<String, Class<? extends BaseBpmnJsonConverter>> convertersToBpmnMap,
Map<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>> convertersToJsonMap) {
convertersToJsonMap.remove(UserTask.class);
convertersToBpmnMap.remove(StencilConstants.STENCIL_TASK_USER);
}
public static void fillJsonTypes(Map<String, Class<? extends BaseBpmnJsonConverter>> convertersToBpmnMap) {
convertersToBpmnMap.put(STENCIL_TASK_USER, CustomUserTaskJsonConverter.class);
}
public static void fillBpmnTypes(
Map<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>> convertersToJsonMap) {
convertersToJsonMap.put(UserTask.class, CustomUserTaskJsonConverter.class);
}
@Override
public void convertToJson(BaseElement baseElement, ActivityProcessor processor, BpmnModel model, FlowElementsContainer container, ArrayNode shapesArrayNode, double subProcessX, double subProcessY){
super.convertToJson(baseElement, processor, model, container, shapesArrayNode, subProcessX, subProcessY);
}
@Override
protected void convertElementToJson(ObjectNode propertiesNode, BaseElement baseElement) {
UserTask userTask = (UserTask) baseElement;
String assignee = userTask.getAssignee();
if (StringUtils.isNotEmpty(assignee) || CollectionUtils.isNotEmpty(userTask.getCandidateUsers()) || CollectionUtils.isNotEmpty(userTask.getCandidateGroups())) {
ObjectNode assignmentNode = objectMapper.createObjectNode();
ObjectNode assignmentValuesNode = objectMapper.createObjectNode();
List<ExtensionElement> idmAssigneeList = userTask.getExtensionElements().get("activiti-idm-assignee");
List<ExtensionElement> idmAssigneeFieldList = userTask.getExtensionElements().get("activiti-idm-assignee-field");
if (CollectionUtils.isNotEmpty(idmAssigneeList) || CollectionUtils.isNotEmpty(idmAssigneeFieldList)
|| CollectionUtils.isNotEmpty(userTask.getExtensionElements().get("activiti-idm-candidate-user"))
|| CollectionUtils.isNotEmpty(userTask.getExtensionElements().get("activiti-idm-candidate-group"))) {
assignmentValuesNode.put("type", "idm");
ObjectNode idmNode = objectMapper.createObjectNode();
assignmentValuesNode.set("idm", idmNode);
List<ExtensionElement> canCompleteList = userTask.getExtensionElements().get("initiator-can-complete");
if (CollectionUtils.isNotEmpty(canCompleteList)) {
assignmentValuesNode.put("initiatorCanCompleteTask", Boolean.valueOf(canCompleteList.get(0).getElementText()));
}
if (StringUtils.isNotEmpty(userTask.getAssignee())) {
ObjectNode assigneeNode = objectMapper.createObjectNode();
assigneeNode.put("id", userTask.getAssignee());
idmNode.set("assignee", assigneeNode);
idmNode.put("type", "user");
fillProperty("email", "assignee-info-email", assigneeNode, userTask);
fillProperty("firstName", "assignee-info-firstname", assigneeNode, userTask);
fillProperty("lastName", "assignee-info-lastname", assigneeNode, userTask);
}
List<ExtensionElement> idmCandidateUserList = userTask.getExtensionElements().get("activiti-idm-candidate-user");
if (CollectionUtils.isNotEmpty(userTask.getCandidateUsers()) && CollectionUtils.isNotEmpty(idmCandidateUserList)) {
if (userTask.getCandidateUsers().size() > 0) {
ArrayNode candidateUsersNode = objectMapper.createArrayNode();
idmNode.set("candidateUsers", candidateUsersNode);
idmNode.put("type", "users");
for (String candidateUser : userTask.getCandidateUsers()) {
ObjectNode candidateUserNode = objectMapper.createObjectNode();
candidateUserNode.put("id", candidateUser);
candidateUsersNode.add(candidateUserNode);
fillProperty("email", "user-info-email-" + candidateUser, candidateUserNode, userTask);
fillProperty("firstName", "user-info-firstname-" + candidateUser, candidateUserNode, userTask);
fillProperty("lastName", "user-info-lastname-" + candidateUser, candidateUserNode, userTask);
}
}
}
List<ExtensionElement> idmCandidateGroupList = userTask.getExtensionElements().get("activiti-idm-candidate-group");
if (CollectionUtils.isNotEmpty(userTask.getCandidateGroups()) && CollectionUtils.isNotEmpty(idmCandidateGroupList)) {
if (userTask.getCandidateGroups().size() > 0) {
ArrayNode candidateGroupsNode = objectMapper.createArrayNode();
idmNode.set("candidateGroups", candidateGroupsNode);
idmNode.put("type", "groups");
for (String candidateGroup : userTask.getCandidateGroups()) {
ObjectNode candidateGroupNode = objectMapper.createObjectNode();
candidateGroupNode.put("id", candidateGroup);
candidateGroupsNode.add(candidateGroupNode);
fillProperty("name", "group-info-name-" + candidateGroup, candidateGroupNode, userTask);
}
}
}
} else {
assignmentValuesNode.put("type", "static");
if (StringUtils.isNotEmpty(assignee)) {
assignmentValuesNode.put(PROPERTY_USERTASK_ASSIGNEE, assignee);
}
if (CollectionUtils.isNotEmpty(userTask.getCandidateUsers())) {
ArrayNode candidateArrayNode = objectMapper.createArrayNode();
for (String candidateUser : userTask.getCandidateUsers()) {
ObjectNode candidateNode = objectMapper.createObjectNode();
candidateNode.put("value", candidateUser);
candidateArrayNode.add(candidateNode);
}
assignmentValuesNode.set(PROPERTY_USERTASK_CANDIDATE_USERS, candidateArrayNode);
}
if (CollectionUtils.isNotEmpty(userTask.getCandidateGroups())) {
ArrayNode candidateArrayNode = objectMapper.createArrayNode();
for (String candidateGroup : userTask.getCandidateGroups()) {
ObjectNode candidateNode = objectMapper.createObjectNode();
candidateNode.put("value", candidateGroup);
candidateArrayNode.add(candidateNode);
}
assignmentValuesNode.set(PROPERTY_USERTASK_CANDIDATE_GROUPS, candidateArrayNode);
}
}
assignmentNode.set("assignment", assignmentValuesNode);
propertiesNode.set(PROPERTY_USERTASK_ASSIGNMENT, assignmentNode);
}
if (userTask.getPriority() != null) {
setPropertyValue(PROPERTY_USERTASK_PRIORITY, userTask.getPriority(), propertiesNode);
}
setPropertyValue(PROPERTY_SKIP_EXPRESSION, userTask.getSkipExpression(), propertiesNode);
if (StringUtils.isNotEmpty(userTask.getFormKey())) {
if (formKeyMap != null && formKeyMap.containsKey(userTask.getFormKey())) {
ObjectNode formRefNode = objectMapper.createObjectNode();
ModelInfo modelInfo = formKeyMap.get(userTask.getFormKey());
formRefNode.put("id", modelInfo.getId());
formRefNode.put("name", modelInfo.getName());
formRefNode.put("key", modelInfo.getKey());
propertiesNode.set(PROPERTY_FORM_REFERENCE, formRefNode);
} else {
setPropertyValue(PROPERTY_FORMKEY, userTask.getFormKey(), propertiesNode);
}
}
setPropertyValue(PROPERTY_FORM_FIELD_VALIDATION, userTask.getValidateFormFields(), propertiesNode);
setPropertyValue(PROPERTY_USERTASK_DUEDATE, userTask.getDueDate(), propertiesNode);
setPropertyValue(PROPERTY_USERTASK_CATEGORY, userTask.getCategory(), propertiesNode);
//自定义节点属性
List<ExtensionElement> customSetting = userTask.getExtensionElements().get("customSetting");
if(CollectionUtils.isNotEmpty(customSetting)){
setPropertyValue("customSetting", userTask.getExtensionElements().get("customSetting").get(0).getElementText(), propertiesNode);
}else{
String attrValue = "";
Map<String, List<ExtensionAttribute>> attributeMap = userTask.getAttributes();
if (MapUtils.isNotEmpty(attributeMap)) {
List<ExtensionAttribute> values = attributeMap.get("customSetting");
if (CollectionUtils.isNotEmpty(values)) {
attrValue = values.get(0).getValue();
}
}
setPropertyValue("customSetting", attrValue, propertiesNode);
}
addFormProperties(userTask.getFormProperties(), propertiesNode);
}
@Override
protected FlowElement convertJsonToElement(JsonNode elementNode, JsonNode modelNode,
Map<String, JsonNode> shapeMap) {
UserTask flowElement = (UserTask) super.convertJsonToElement(elementNode, modelNode, shapeMap);
// 自定义属性扩展
// List<CustomProperty> customProperties = new ArrayList<>();
// String customSetting = getPropertyValueAsString("customSetting", elementNode);
// if (StringUtils.isNotBlank(customSetting)) {
// CustomProperty editData = this.createProperty("customSetting", customSetting);
// customProperties.add(editData);
// }
// if (CollectionUtils.isNotEmpty(customProperties)) {
// flowElement.setCustomProperties(customProperties);
// }
LOGGER.info("进入自定义属性解析");
if(flowElement instanceof UserTask){
String customSetting = getPropertyValueAsString("customSetting",elementNode);
if(StringUtils.isNotBlank(customSetting)){
LOGGER.info("新增自定义属性[customSetting]="+customSetting);
ExtensionAttribute ea1 = generateExtensionAttribute("customSetting",customSetting);
flowElement.addAttribute(ea1);
}
// addExtensionElement("customSetting", customSetting, flowElement);
}
return flowElement;
}
public static ExtensionAttribute generateExtensionAttribute(String key, String val){
ExtensionAttribute ea = new ExtensionAttribute();
ea.setNamespace("http://flowable.org/bpmn");
ea.setName(key);
ea.setNamespacePrefix("flowable");
ea.setValue(val);
return ea;
}
// public static ExtensionAttribute generateExtensionAttribute(String key, String val){
// ExtensionAttribute ea = new ExtensionAttribute();
// ea.setNamespace("http://flowable.org/bpmn");
// ea.setName(key);
// ea.setNamespacePrefix("flowable");
// ea.setValue(val);
// return ea;
// }
/**
* 创建自定义属性
*
* @param propertyName 属性名称
* @param propertyValue 属性值
*/
private CustomProperty createProperty(String propertyName, String propertyValue) {
CustomProperty customProperty = new CustomProperty();
customProperty.setId(propertyName);
customProperty.setName(propertyName);
customProperty.setSimpleValue(propertyValue);
return customProperty;
}
}
标签：null,BpmnJsonConverterUtil,自定义,get,flowable,EDITOR,PROPERTY,isNotEmpty,extension 来源： https://blog.51cto.com/u_14318784/2812534