/* 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.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import math.geom2d.Point2D;
import math.geom2d.conic.Circle2D;
import math.geom2d.curve.AbstractContinuousCurve2D;
import math.geom2d.line.Line2D;
import math.geom2d.polygon.Polyline2D;
import org.activiti.bpmn.model.Activity;
import org.activiti.bpmn.model.Artifact;
import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.BoundaryEvent;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.Event;
import org.activiti.bpmn.model.EventDefinition;
import org.activiti.bpmn.model.ExtensionElement;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.bpmn.model.FlowElementsContainer;
import org.activiti.bpmn.model.FlowNode;
import org.activiti.bpmn.model.Gateway;
import org.activiti.bpmn.model.GraphicInfo;
import org.activiti.bpmn.model.Lane;
import org.activiti.bpmn.model.Message;
import org.activiti.bpmn.model.MessageEventDefinition;
import org.activiti.bpmn.model.MessageFlow;
import org.activiti.bpmn.model.Pool;
import org.activiti.bpmn.model.Process;
import org.activiti.bpmn.model.SequenceFlow;
import org.activiti.bpmn.model.Signal;
import org.activiti.bpmn.model.SignalEventDefinition;
import org.activiti.bpmn.model.SubProcess;
import org.activiti.bpmn.model.ValuedDataObject;
import org.activiti.editor.constants.EditorJsonConstants;
import org.activiti.editor.constants.StencilConstants;
import org.activiti.editor.language.json.converter.util.CollectionUtils;
import org.activiti.editor.language.json.converter.util.JsonConverterUtil;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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;
/**
* @author Tijs Rademakers
*/
public class BpmnJsonConverter implements EditorJsonConstants, StencilConstants, ActivityProcessor {
protected static final Logger LOGGER = LoggerFactory.getLogger(BpmnJsonConverter.class);
protected ObjectMapper objectMapper = new ObjectMapper();
protected static Map<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>> convertersToJsonMap =
new HashMap<Class<? extends BaseElement>, Class<? extends BaseBpmnJsonConverter>>();
protected static Map<String, Class<? extends BaseBpmnJsonConverter>> convertersToBpmnMap =
new HashMap<String, Class<? extends BaseBpmnJsonConverter>>();
public final static String MODELER_NAMESPACE = "http://activiti.com/modeler";
protected final static DateFormat defaultFormat = new SimpleDateFormat("yyyyMMddHHmmss");
protected final static DateFormat entFormat = new SimpleDateFormat("yyyyMMddHHmmssSSS");
static {
// start and end events
StartEventJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
EndEventJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// connectors
SequenceFlowJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
MessageFlowJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
AssociationJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// task types
BusinessRuleTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
MailTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
ManualTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
ReceiveTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
ScriptTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
ServiceTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
UserTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
CallActivityJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
CamelTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
MuleTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
SendTaskJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// gateways
ExclusiveGatewayJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
InclusiveGatewayJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
ParallelGatewayJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
EventGatewayJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// scope constructs
SubProcessJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
EventSubProcessJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// catch events
CatchEventJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// throw events
ThrowEventJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// boundary events
BoundaryEventJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
// artifacts
TextAnnotationJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
DataStoreJsonConverter.fillTypes(convertersToBpmnMap, convertersToJsonMap);
}
private static final List<String> DI_CIRCLES = new ArrayList<String>();
private static final List<String> DI_RECTANGLES = new ArrayList<String>();
private static final List<String> DI_GATEWAY = new ArrayList<String>();
static {
DI_CIRCLES.add(STENCIL_EVENT_START_ERROR);
DI_CIRCLES.add(STENCIL_EVENT_START_MESSAGE);
DI_CIRCLES.add(STENCIL_EVENT_START_NONE);
DI_CIRCLES.add(STENCIL_EVENT_START_TIMER);
DI_CIRCLES.add(STENCIL_EVENT_START_SIGNAL);
DI_CIRCLES.add(STENCIL_EVENT_BOUNDARY_ERROR);
DI_CIRCLES.add(STENCIL_EVENT_BOUNDARY_SIGNAL);
DI_CIRCLES.add(STENCIL_EVENT_BOUNDARY_TIMER);
DI_CIRCLES.add(STENCIL_EVENT_BOUNDARY_MESSAGE);
DI_CIRCLES.add(STENCIL_EVENT_BOUNDARY_CANCEL);
DI_CIRCLES.add(STENCIL_EVENT_BOUNDARY_COMPENSATION);
DI_CIRCLES.add(STENCIL_EVENT_CATCH_MESSAGE);
DI_CIRCLES.add(STENCIL_EVENT_CATCH_SIGNAL);
DI_CIRCLES.add(STENCIL_EVENT_CATCH_TIMER);
DI_CIRCLES.add(STENCIL_EVENT_THROW_NONE);
DI_CIRCLES.add(STENCIL_EVENT_THROW_SIGNAL);
DI_CIRCLES.add(STENCIL_EVENT_END_NONE);
DI_CIRCLES.add(STENCIL_EVENT_END_ERROR);
DI_CIRCLES.add(STENCIL_EVENT_END_CANCEL);
DI_CIRCLES.add(STENCIL_EVENT_END_TERMINATE);
DI_RECTANGLES.add(STENCIL_CALL_ACTIVITY);
DI_RECTANGLES.add(STENCIL_SUB_PROCESS);
DI_RECTANGLES.add(STENCIL_EVENT_SUB_PROCESS);
DI_RECTANGLES.add(STENCIL_TASK_BUSINESS_RULE);
DI_RECTANGLES.add(STENCIL_TASK_MAIL);
DI_RECTANGLES.add(STENCIL_TASK_MANUAL);
DI_RECTANGLES.add(STENCIL_TASK_RECEIVE);
DI_RECTANGLES.add(STENCIL_TASK_SCRIPT);
DI_RECTANGLES.add(STENCIL_TASK_SEND);
DI_RECTANGLES.add(STENCIL_TASK_SERVICE);
DI_RECTANGLES.add(STENCIL_TASK_USER);
DI_RECTANGLES.add(STENCIL_TASK_CAMEL);
DI_RECTANGLES.add(STENCIL_TASK_MULE);
DI_RECTANGLES.add(STENCIL_TEXT_ANNOTATION);
DI_GATEWAY.add(STENCIL_GATEWAY_EVENT);
DI_GATEWAY.add(STENCIL_GATEWAY_EXCLUSIVE);
DI_GATEWAY.add(STENCIL_GATEWAY_INCLUSIVE);
DI_GATEWAY.add(STENCIL_GATEWAY_PARALLEL);
}
public ObjectNode convertToJson(BpmnModel model) {
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.put("bounds", BpmnJsonConverterUtil.createBoundsNode(maxX, maxY, 0, 0));
modelNode.put("resourceId", "canvas");
ObjectNode stencilNode = objectMapper.createObjectNode();
stencilNode.put("id", "BPMNDiagram");
modelNode.put("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.put("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() == false) {
propertiesNode.put(PROPERTY_PROCESS_EXECUTABLE, "No");
}
if (StringUtils.isNoneEmpty(model.getTargetNamespace())){
propertiesNode.put(PROPERTY_PROCESS_NAMESPACE, model.getTargetNamespace());
}
BpmnJsonConverterUtil.convertMessagesToJson(model.getMessages(), propertiesNode);
BpmnJsonConverterUtil.convertListenersToJson(mainProcess.getExecutionListeners(), true, propertiesNode);
BpmnJsonConverterUtil.convertEventListenersToJson(mainProcess.getEventListeners(), propertiesNode);
BpmnJsonConverterUtil.convertSignalDefinitionsToJson(model, propertiesNode);
BpmnJsonConverterUtil.convertMessagesToJson(model, propertiesNode);
if (CollectionUtils.isNotEmpty(mainProcess.getDataObjects())) {
BpmnJsonConverterUtil.convertDataPropertiesToJson(mainProcess.getDataObjects(), propertiesNode);
}
modelNode.put(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 graphicInfo = model.getGraphicInfo(pool.getId());
if (graphicInfo == null) continue;
ObjectNode poolNode = BpmnJsonConverterUtil.createChildShape(pool.getId(), STENCIL_POOL,
graphicInfo.getX() + graphicInfo.getWidth(), graphicInfo.getY() + graphicInfo.getHeight(),
graphicInfo.getX(), graphicInfo.getY());
shapesArrayNode.add(poolNode);
ObjectNode poolPropertiesNode = objectMapper.createObjectNode();
poolPropertiesNode.put(PROPERTY_OVERRIDE_ID, pool.getId());
poolPropertiesNode.put(PROPERTY_PROCESS_ID, pool.getProcessRef());
if (pool.isExecutable() == false) {
poolPropertiesNode.put(PROPERTY_PROCESS_EXECUTABLE, PROPERTY_VALUE_NO);
}
if (StringUtils.isNotEmpty(pool.getName())) {
poolPropertiesNode.put(PROPERTY_NAME, pool.getName());
}
poolNode.put(EDITOR_SHAPE_PROPERTIES, poolPropertiesNode);
ArrayNode laneShapesArrayNode = objectMapper.createArrayNode();
poolNode.put(EDITOR_CHILD_SHAPES, laneShapesArrayNode);
ArrayNode outgoingArrayNode = objectMapper.createArrayNode();
poolNode.put("outgoing", outgoingArrayNode);
Process process = model.getProcess(pool.getId());
if (process != null) {
Map<String, ArrayNode> laneMap = new HashMap<String, ArrayNode>();
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(), laneGraphicInfo.getY() +
laneGraphicInfo.getHeight(), laneGraphicInfo.getX(), laneGraphicInfo.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.put(EDITOR_SHAPE_PROPERTIES, lanePropertiesNode);
ArrayNode elementShapesArrayNode = objectMapper.createArrayNode();
laneNode.put(EDITOR_CHILD_SHAPES, elementShapesArrayNode);
laneNode.put("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()),
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, 0.0, 0.0);
processMessageFlows(model, shapesArrayNode);
}
modelNode.put(EDITOR_CHILD_SHAPES, shapesArrayNode);
return modelNode;
}
public void processFlowElements(FlowElementsContainer container, BpmnModel model, ArrayNode shapesArrayNode,
double subProcessX, double subProcessY) {
for (FlowElement flowElement : container.getFlowElements()) {
processFlowElement(flowElement, container, model, shapesArrayNode, subProcessX, subProcessY);
}
processArtifacts(container, model, shapesArrayNode, subProcessX, subProcessY);
}
protected void processFlowElement(FlowElement flowElement, FlowElementsContainer container, BpmnModel model,
ArrayNode shapesArrayNode, double containerX, double containerY) {
Class<? extends BaseBpmnJsonConverter> converter = convertersToJsonMap.get(flowElement.getClass());
if (converter != null) {
try {
converter.newInstance().convertToJson(flowElement, this, model, container, shapesArrayNode, containerX, containerY);
} catch (Exception e) {
LOGGER.error("Error converting {}", flowElement, e);
}
}
}
protected void processArtifacts(FlowElementsContainer container, BpmnModel model, ArrayNode shapesArrayNode,
double containerX, double containerY) {
for (Artifact artifact : container.getArtifacts()) {
Class<? extends BaseBpmnJsonConverter> converter = convertersToJsonMap.get(artifact.getClass());
if (converter != null) {
try {
converter.newInstance().convertToJson(artifact, this, model, container,
shapesArrayNode, containerX, containerY);
} catch (Exception e) {
LOGGER.error("Error converting {}", artifact, e);
}
}
}
}
protected void processMessageFlows(BpmnModel model, ArrayNode shapesArrayNode) {
for (MessageFlow messageFlow : model.getMessageFlows().values()) {
MessageFlowJsonConverter jsonConverter = new MessageFlowJsonConverter();
jsonConverter.convertToJson(messageFlow, this, model, null,
shapesArrayNode, 0.0, 0.0);
}
}
public BpmnModel convertToBpmnModel(JsonNode modelNode) {
BpmnModel bpmnModel = new BpmnModel();
bpmnModel.setTargetNamespace("http://activiti.org/test");
Map<String, JsonNode> shapeMap = new HashMap<String, JsonNode>();
Map<String, JsonNode> sourceRefMap = new HashMap<String, JsonNode>();
Map<String, JsonNode> edgeMap = new HashMap<String, JsonNode>();
Map<String, List<JsonNode>> sourceAndTargetMap = new HashMap<String, List<JsonNode>>();
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<String, Lane>();
// 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.setProcessRef(JsonConverterUtil.getPropertyValueAsString(PROPERTY_PROCESS_ID, shapeNode));
pool.setExecutable(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_PROCESS_EXECUTABLE, shapeNode, true));
bpmnModel.getPools().add(pool);
Process process = new Process();
process.setId(pool.getProcessRef());
process.setName(pool.getName());
process.setExecutable(pool.isExecutable());
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, 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();
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);
}
}
}
if (nonEmptyPoolFound == false) {
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_PROCESS_EXECUTABLE, modelNode);
if (processExecutableNode != null && StringUtils.isNotEmpty(processExecutableNode.asText())) {
process.setExecutable(JsonConverterUtil.getPropertyValueAsBoolean(PROPERTY_PROCESS_EXECUTABLE, modelNode));
}
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);
}
processJsonElements(shapesArrayNode, modelNode, process, shapeMap, 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<String, SubProcess>();
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<String>();
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());
}
}
}
for (String flowId : removeSubFlowsList) {
process.removeFlowElement(flowId);
}
}
}
Map<String, FlowWithContainer> allFlowMap = new HashMap<String, FlowWithContainer>();
List<Gateway> gatewayWithOrderList = new ArrayList<Gateway>();
// 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;
}
public void processJsonElements(JsonNode shapesArrayNode, JsonNode modelNode, BaseElement parentElement, Map<String, JsonNode> shapeMap,
BpmnModel bpmnModel) {
for (JsonNode shapeNode : shapesArrayNode) {
String stencilId = BpmnJsonConverterUtil.getStencilId(shapeNode);
Class<? extends BaseBpmnJsonConverter> converter = convertersToBpmnMap.get(stencilId);
try {
BaseBpmnJsonConverter converterInstance = converter.newInstance();
converterInstance.convertToBpmnModel(shapeNode, modelNode, this, parentElement, shapeMap, bpmnModel);
} catch (Exception e) {
LOGGER.error("Error converting {}", BpmnJsonConverterUtil.getStencilId(shapeNode), e);
}
}
}
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);
}
}
}
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) {
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 " + boundaryEvent.getId() + " is not attached to any activity");
} 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 != null && 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 != null && 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) == false) {
GraphicInfo graphicInfo = new GraphicInfo();
JsonNode boundsNode = jsonChildNode.get(EDITOR_BOUNDS);
ObjectNode upperLeftNode = (ObjectNode) boundsNode.get(EDITOR_BOUNDS_UPPER_LEFT);
graphicInfo.setX(upperLeftNode.get(EDITOR_BOUNDS_X).asDouble() + parentX);
graphicInfo.setY(upperLeftNode.get(EDITOR_BOUNDS_Y).asDouble() + parentY);
ObjectNode lowerRightNode = (ObjectNode) boundsNode.get(EDITOR_BOUNDS_LOWER_RIGHT);
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);
}
}
}
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)) {
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() == false) {
String targetRefId = targetNode.get(EDITOR_SHAPE_ID).asText();
List<JsonNode> sourceAndTargetList = new ArrayList<JsonNode>();
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();
}
Line2D firstLine = new Line2D(sourceRefLineX, sourceRefLineY, nextPointInLineX, nextPointInLineY);
String sourceRefStencilId = BpmnJsonConverterUtil.getStencilId(sourceRefNode);
String targetRefStencilId = BpmnJsonConverterUtil.getStencilId(targetRefNode);
List<GraphicInfo> graphicInfoList = new ArrayList<GraphicInfo>();
AbstractContinuousCurve2D source2D = null;
if (DI_CIRCLES.contains(sourceRefStencilId)) {
source2D = new Circle2D(sourceInfo.getX() + sourceDockersX, sourceInfo.getY() + sourceDockersY, sourceDockersX);
} else if (DI_RECTANGLES.contains(sourceRefStencilId)) {
source2D = createRectangle(sourceInfo);
} else if (DI_GATEWAY.contains(sourceRefStencilId)) {
source2D = createGateway(sourceInfo);
}
if (source2D != null) {
Collection<Point2D> intersections = source2D.intersections(firstLine);
if (intersections != null && intersections.size() > 0) {
Point2D intersection = intersections.iterator().next();
graphicInfoList.add(createGraphicInfo(intersection.x(), intersection.y()));
} else {
graphicInfoList.add(createGraphicInfo(sourceRefLineX, sourceRefLineY));
}
}
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 Line2D(startLastLineX, startLastLineY, endLastLineX, endLastLineY);
} else {
lastLine = firstLine;
}
AbstractContinuousCurve2D 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 = new Circle2D(targetInfo.getX() + targetDockersX, targetInfo.getY() + targetDockersY, targetDockersX);
} else if (DI_GATEWAY.contains(targetRefStencilId)) {
target2D = createGateway(targetInfo);
}
if (target2D != null) {
Collection<Point2D> intersections = target2D.intersections(lastLine);
if (intersections != null && intersections.size() > 0) {
Point2D intersection = intersections.iterator().next();
graphicInfoList.add(createGraphicInfo(intersection.x(), intersection.y()));
} else {
graphicInfoList.add(createGraphicInfo(lastLine.getPoint2().x(), lastLine.getPoint2().y()));
}
}
bpmnModel.addFlowGraphicInfoList(edgeId, graphicInfoList);
}
}
private Polyline2D createRectangle(GraphicInfo graphicInfo) {
Polyline2D rectangle = new Polyline2D(new Point2D(graphicInfo.getX(), graphicInfo.getY()), new Point2D(graphicInfo.getX() + graphicInfo.getWidth(), graphicInfo.getY()), new Point2D(
graphicInfo.getX() + graphicInfo.getWidth(), graphicInfo.getY() + graphicInfo.getHeight()), new Point2D(graphicInfo.getX(), graphicInfo.getY() + graphicInfo.getHeight()), new Point2D(
graphicInfo.getX(), graphicInfo.getY()));
return rectangle;
}
private Polyline2D createGateway(GraphicInfo graphicInfo) {
double middleX = graphicInfo.getX() + (graphicInfo.getWidth() / 2);
double middleY = graphicInfo.getY() + (graphicInfo.getHeight() / 2);
Polyline2D gatewayRectangle = new Polyline2D(new Point2D(graphicInfo.getX(), middleY), new Point2D(middleX, graphicInfo.getY()), new Point2D(graphicInfo.getX() + graphicInfo.getWidth(),
middleY), new Point2D(middleX, graphicInfo.getY() + graphicInfo.getHeight()), new Point2D(graphicInfo.getX(), middleY));
return gatewayRectangle;
}
private GraphicInfo createGraphicInfo(double x, double y) {
GraphicInfo graphicInfo = new GraphicInfo();
graphicInfo.setX(x);
graphicInfo.setY(y);
return graphicInfo;
}
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;
}
}
}