/**
* Copyright 2010 JBoss Inc
*
* 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.drools.bpmn2.xml;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.drools.bpmn2.core.Definitions;
import org.drools.bpmn2.xpath.XPathDialect;
import org.drools.compiler.xml.XmlDumper;
import org.drools.definition.process.Connection;
import org.drools.definition.process.Node;
import org.drools.definition.process.NodeContainer;
import org.drools.definition.process.WorkflowProcess;
import org.drools.process.core.ContextContainer;
import org.drools.process.core.Work;
import org.drools.process.core.context.swimlane.Swimlane;
import org.drools.process.core.context.swimlane.SwimlaneContext;
import org.drools.process.core.context.variable.Variable;
import org.drools.process.core.context.variable.VariableScope;
import org.drools.process.core.datatype.impl.type.ObjectDataType;
import org.drools.process.core.event.EventTypeFilter;
import org.drools.rule.builder.dialect.java.JavaDialect;
import org.drools.workflow.core.Constraint;
import org.drools.workflow.core.impl.DroolsConsequenceAction;
import org.drools.workflow.core.node.ActionNode;
import org.drools.workflow.core.node.CompositeNode;
import org.drools.workflow.core.node.EndNode;
import org.drools.workflow.core.node.EventNode;
import org.drools.workflow.core.node.EventTrigger;
import org.drools.workflow.core.node.FaultNode;
import org.drools.workflow.core.node.ForEachNode;
import org.drools.workflow.core.node.HumanTaskNode;
import org.drools.workflow.core.node.Join;
import org.drools.workflow.core.node.Split;
import org.drools.workflow.core.node.StartNode;
import org.drools.workflow.core.node.Trigger;
import org.drools.workflow.core.node.WorkItemNode;
import org.drools.xml.Handler;
import org.drools.xml.SemanticModule;
public class XmlBPMNProcessDumper {
public static final String JAVA_LANGUAGE = "http://www.java.com/java";
public static final String RULE_LANGUAGE = "http://www.jboss.org/drools/rule";
public static final String XPATH_LANGUAGE = "http://www.w3.org/1999/XPath";
public static final int NO_META_DATA = 0;
public static final int META_DATA_AS_NODE_PROPERTY = 1;
public static final int META_DATA_USING_DI = 2;
public static XmlBPMNProcessDumper INSTANCE = new XmlBPMNProcessDumper();
private final static String EOL = System.getProperty( "line.separator" );
private SemanticModule semanticModule;
private int metaDataType = META_DATA_USING_DI;
private XmlBPMNProcessDumper() {
semanticModule = new BPMNSemanticModule();
}
public String dump(WorkflowProcess process) {
return dump(process, META_DATA_USING_DI);
}
public String dump(WorkflowProcess process, boolean includeMeta) {
return dump(process, META_DATA_AS_NODE_PROPERTY);
}
public String dump(WorkflowProcess process, int metaDataType) {
StringBuilder xmlDump = new StringBuilder();
visitProcess(process, xmlDump, metaDataType);
return xmlDump.toString();
}
public int getMetaDataType() {
return metaDataType;
}
public void setMetaDataType(int metaDataType) {
this.metaDataType = metaDataType;
}
protected void visitProcess(WorkflowProcess process, StringBuilder xmlDump, int metaDataType) {
String targetNamespace = (String) process.getMetaData().get("TargetNamespace");
if (targetNamespace == null) {
targetNamespace = "http://www.jboss.org/drools";
}
xmlDump.append(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?> " + EOL +
"<definitions id=\"Definition\"" + EOL +
" targetNamespace=\"" + targetNamespace + "\"" + EOL +
" typeLanguage=\"http://www.java.com/javaTypes\"" + EOL +
" expressionLanguage=\"http://www.mvel.org/2.0\"" + EOL +
" xmlns=\"http://www.omg.org/spec/BPMN/20100524/MODEL\"" + EOL +
" xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"" + EOL +
" xs:schemaLocation=\"http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd\"" + EOL +
" xmlns:g=\"http://www.jboss.org/drools/flow/gpd\"" + EOL +
(metaDataType == META_DATA_USING_DI ?
" xmlns:bpmndi=\"http://www.omg.org/spec/BPMN/20100524/DI\"" + EOL +
" xmlns:dc=\"http://www.omg.org/spec/DD/20100524/DC\"" + EOL +
" xmlns:di=\"http://www.omg.org/spec/DD/20100524/DI\"" + EOL : "") +
" xmlns:tns=\"http://www.jboss.org/drools\">" + EOL + EOL);
// item definitions
VariableScope variableScope = (VariableScope)
((org.drools.process.core.Process) process).getDefaultContext(VariableScope.VARIABLE_SCOPE);
visitVariableScope(variableScope, "_", xmlDump);
visitSubVariableScopes(process.getNodes(), xmlDump);
visitInterfaces(process.getNodes(), xmlDump);
visitEscalations(process.getNodes(), xmlDump, new ArrayList<String>());
visitErrors(process.getNodes(), xmlDump, new ArrayList<String>());
//data stores
Definitions def = (Definitions) process.getMetaData().get("Definitions");
if (def.getDataStores() != null) {
for (DataStore dataStore : def.getDataStores()) {
visitDataStore(dataStore, xmlDump);
}
}
// the process itself
xmlDump.append(" <process processType=\"Private\" isExecutable=\"true\" ");
if (process.getId() != null) {
xmlDump.append("id=\"" + XmlDumper.replaceIllegalChars(process.getId()) + "\" ");
}
if (process.getName() != null) {
xmlDump.append("name=\"" + XmlDumper.replaceIllegalChars(process.getName()) + "\" ");
}
String packageName = process.getPackageName();
if (packageName != null && !"org.drools.bpmn2".equals(packageName)) {
xmlDump.append("tns:packageName=\"" + XmlDumper.replaceIllegalChars(packageName) + "\" ");
}
// TODO: package, version
xmlDump.append(">" + EOL + EOL);
visitLanes(process, xmlDump);
visitHeader(process, xmlDump, metaDataType);
visitNodes(process, xmlDump, metaDataType);
visitConnections(process.getNodes(), xmlDump, metaDataType);
if (def.getAssociations() != null) {
for (Association association : def.getAssociations()) {
visitAssociation(association, xmlDump);
}
}
xmlDump.append(" </process>" + EOL + EOL);
if (metaDataType == META_DATA_USING_DI) {
xmlDump.append(
" <bpmndi:BPMNDiagram>" + EOL +
" <bpmndi:BPMNPlane bpmnElement=\"" + XmlDumper.replaceIllegalChars(process.getId()) + "\" >" + EOL);
visitNodesDi(process.getNodes(), xmlDump);
visitConnectionsDi(process.getNodes(), xmlDump);
xmlDump.append(
" </bpmndi:BPMNPlane>" + EOL +
" </bpmndi:BPMNDiagram>" + EOL + EOL);
}
xmlDump.append("</definitions>");
}
private void visitAssociation(Association association, StringBuilder xmlDump) {
xmlDump.append(" <association id=\"" + association.getId() + "\" ");
xmlDump.append(" sourceRef=\"" + association.getSourceRef() + "\" ");
xmlDump.append(" targetRef=\"" + association.getTargetRef() + "\" ");
xmlDump.append("/>" + EOL);
}
private void visitDataStore(DataStore dataStore, StringBuilder xmlDump) {
String itemSubjectRef = dataStore.getItemSubjectRef();
String itemDefId = itemSubjectRef.substring(itemSubjectRef.indexOf(':') + 1);
xmlDump.append(" <itemDefinition id=\"" + itemDefId + "\" ");
if (dataStore.getType() != null) {
xmlDump.append("structureRef=\"" + XmlDumper.replaceIllegalChars(dataStore.getType().getStringType()) + "\" ");
}
xmlDump.append("/>" + EOL);
xmlDump.append(" <dataStore name=\"" + XmlDumper.replaceIllegalChars(dataStore.getName()) + "\"");
xmlDump.append(" id=\"" + XmlDumper.replaceIllegalChars(dataStore.getId()) + "\"");
xmlDump.append(" itemSubjectRef=\"" + XmlDumper.replaceIllegalChars(dataStore.getItemSubjectRef()) + "\"");
xmlDump.append("/>" + EOL);
}
private void visitVariableScope(VariableScope variableScope, String prefix, StringBuilder xmlDump) {
if (variableScope != null && !variableScope.getVariables().isEmpty()) {
for (Variable variable: variableScope.getVariables()) {
xmlDump.append(
" <itemDefinition id=\"" + XmlDumper.replaceIllegalChars(prefix + variable.getName()) + "Item\" ");
if (variable.getType() != null) {
xmlDump.append("structureRef=\"" + XmlDumper.replaceIllegalChars(variable.getType().getStringType()) + "\" ");
}
xmlDump.append("/>" + EOL);
}
xmlDump.append(EOL);
}
}
private void visitSubVariableScopes(Node[] nodes, StringBuilder xmlDump) {
for (Node node: nodes) {
if (node instanceof ContextContainer) {
VariableScope variableScope = (VariableScope)
((ContextContainer) node).getDefaultContext(VariableScope.VARIABLE_SCOPE);
if (variableScope != null) {
visitVariableScope(variableScope, XmlBPMNProcessDumper.getUniqueNodeId(node) + "-", xmlDump);
}
}
if (node instanceof NodeContainer) {
visitSubVariableScopes(((NodeContainer) node).getNodes(), xmlDump);
}
}
}
private void visitLanes(WorkflowProcess process, StringBuilder xmlDump) {
// lanes
Collection<Swimlane> swimlanes = ((SwimlaneContext)
((org.drools.workflow.core.WorkflowProcess) process)
.getDefaultContext(SwimlaneContext.SWIMLANE_SCOPE)).getSwimlanes();
if (!swimlanes.isEmpty()) {
xmlDump.append(" <laneSet>" + EOL);
for (Swimlane swimlane: swimlanes) {
xmlDump.append(" <lane name=\"" + XmlDumper.replaceIllegalChars(swimlane.getName()) + "\" >" + EOL);
visitLane(process, swimlane.getName(), xmlDump);
xmlDump.append(" </lane>" + EOL);
}
xmlDump.append(" </laneSet>" + EOL);
}
}
private void visitLane(NodeContainer container, String lane, StringBuilder xmlDump) {
for (Node node: container.getNodes()) {
if (node instanceof HumanTaskNode) {
String swimlane = ((HumanTaskNode) node).getSwimlane();
if (lane.equals(swimlane)) {
xmlDump.append(" <flowNodeRef>" + XmlBPMNProcessDumper.getUniqueNodeId(node) + "</flowNodeRef>" + EOL);
}
} else {
String swimlane = (String) node.getMetaData().get("Lane");
if (lane.equals(swimlane)) {
xmlDump.append(" <flowNodeRef>" + XmlBPMNProcessDumper.getUniqueNodeId(node) + "</flowNodeRef>" + EOL);
}
}
if (node instanceof NodeContainer) {
visitLane((NodeContainer) node, lane, xmlDump);
}
}
}
protected void visitHeader(WorkflowProcess process, StringBuilder xmlDump, int metaDataType) {
// TODO: imports, function imports
// TODO: globals
// TODO: swimlanes
// TODO: exception handlers
VariableScope variableScope = (VariableScope)
((org.drools.process.core.Process) process).getDefaultContext(VariableScope.VARIABLE_SCOPE);
if (variableScope != null) {
visitVariables(variableScope.getVariables(), xmlDump);
}
}
public static void visitVariables(List<Variable> variables, StringBuilder xmlDump) {
if (!variables.isEmpty()) {
xmlDump.append(" <!-- process variables -->" + EOL);
for (Variable variable: variables) {
if (variable.getMetaData("DataObject") == null) {
xmlDump.append(" <property id=\"" + XmlDumper.replaceIllegalChars(variable.getName()) + "\" ");
if (variable.getType() != null) {
xmlDump.append("itemSubjectRef=\"_" + XmlDumper.replaceIllegalChars(variable.getName()) + "Item\"" );
}
// TODO: value?
xmlDump.append("/>" + EOL);
}
}
for (Variable variable: variables) {
if (variable.getMetaData("DataObject") != null) {
xmlDump.append(" <dataObject id=\"" + XmlDumper.replaceIllegalChars(variable.getName()) + "\" ");
if (variable.getType() != null) {
xmlDump.append("itemSubjectRef=\"_" + XmlDumper.replaceIllegalChars(variable.getName()) + "Item\"" );
}
// TODO: value?
xmlDump.append("/>" + EOL);
}
}
xmlDump.append(EOL);
}
}
protected void visitInterfaces(Node[] nodes, StringBuilder xmlDump) {
for (Node node: nodes) {
if (node instanceof WorkItemNode) {
Work work = ((WorkItemNode) node).getWork();
if (work != null) {
if ("Service Task".equals(work.getName())) {
String interfaceName = (String) work.getParameter("Interface");
if (interfaceName == null) {
interfaceName = "";
}
String operationName = (String) work.getParameter("Operation");
if (operationName == null) {
operationName = "";
}
String parameterType = (String) work.getParameter("ParameterType");
if (parameterType == null) {
parameterType = "";
}
xmlDump.append(
" <itemDefinition id=\"" + getUniqueNodeId(node) + "_InMessageType\" structureRef=\"" + parameterType + "\"/>" + EOL +
" <message id=\"" + getUniqueNodeId(node) + "_InMessage\" itemRef=\"" + getUniqueNodeId(node) + "_InMessageType\" />" + EOL +
" <interface id=\"" + getUniqueNodeId(node) + "_ServiceInterface\" name=\"" + interfaceName + "\">" + EOL +
" <operation id=\"" + getUniqueNodeId(node) + "_ServiceOperation\" name=\"" + operationName + "\">" + EOL +
" <inMessageRef>" + getUniqueNodeId(node) + "_InMessage</inMessageRef>" + EOL +
" </operation>" + EOL +
" </interface>" + EOL + EOL);
} else if ("Send Task".equals(work.getName())) {
String messageType = (String) work.getParameter("MessageType");
if (messageType == null) {
messageType = "";
}
xmlDump.append(
" <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" structureRef=\"" + XmlDumper.replaceIllegalChars(messageType) + "\"/>" + EOL +
" <message id=\"" + getUniqueNodeId(node) + "_Message\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
} else if ("Receive Task".equals(work.getName())) {
String messageId = (String) work.getParameter("MessageId");
String messageType = (String) work.getParameter("MessageType");
if (messageType == null) {
messageType = "";
}
xmlDump.append(
" <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" structureRef=\"" + XmlDumper.replaceIllegalChars(messageType) + "\"/>" + EOL +
" <message id=\"" + messageId + "\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
}
}
} else if (node instanceof EndNode) {
String messageType = (String) node.getMetaData().get("MessageType");
if (messageType != null) {
xmlDump.append(
" <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" structureRef=\"" + XmlDumper.replaceIllegalChars(messageType) + "\"/>" + EOL +
" <message id=\"" + getUniqueNodeId(node) + "_Message\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
}
} else if (node instanceof ActionNode) {
String messageType = (String) node.getMetaData().get("MessageType");
if (messageType != null) {
xmlDump.append(
" <itemDefinition id=\"" + getUniqueNodeId(node) + "_MessageType\" structureRef=\"" + XmlDumper.replaceIllegalChars(messageType) + "\"/>" + EOL +
" <message id=\"" + getUniqueNodeId(node) + "_Message\" itemRef=\"" + getUniqueNodeId(node) + "_MessageType\" />" + EOL + EOL);
}
} else if (node instanceof EventNode) {
if (node.getMetaData().get("AttachedTo") == null) {
String messageRef = ((EventTypeFilter) ((EventNode) node).getEventFilters().get(0)).getType();
if (messageRef.startsWith("Message-")) {
messageRef = messageRef.substring(8);
String messageType = (String) node.getMetaData().get("MessageType");
xmlDump.append(
" <itemDefinition id=\"" + XmlDumper.replaceIllegalChars(messageRef) + "Type\" structureRef=\"" + XmlDumper.replaceIllegalChars(messageType) + "\"/>" + EOL +
" <message id=\"" + XmlDumper.replaceIllegalChars(messageRef) + "\" itemRef=\"" + XmlDumper.replaceIllegalChars(messageRef) + "Type\" />" + EOL + EOL);
}
}
} else if (node instanceof StartNode) {
StartNode startNode = (StartNode) node;
if (startNode.getTriggers() != null && !startNode.getTriggers().isEmpty()) {
Trigger trigger = startNode.getTriggers().get(0);
if (trigger instanceof EventTrigger) {
String eventType = ((EventTypeFilter) ((EventTrigger) trigger).getEventFilters().get(0)).getType();
if (eventType.startsWith("Message-")) {
eventType = eventType.substring(8);
String messageType = (String) node.getMetaData().get("MessageType");
xmlDump.append(
" <itemDefinition id=\"" + XmlDumper.replaceIllegalChars(eventType) + "Type\" structureRef=\"" + XmlDumper.replaceIllegalChars(messageType) + "\"/>" + EOL +
" <message id=\"" + XmlDumper.replaceIllegalChars(eventType) + "\" itemRef=\"" + XmlDumper.replaceIllegalChars(eventType) + "Type\" />" + EOL + EOL);
}
}
}
} else if (node instanceof ForEachNode) {
ForEachNode forEachNode = (ForEachNode) node;
String type = null;
if (forEachNode.getVariableType() instanceof ObjectDataType) {
type = ((ObjectDataType) forEachNode.getVariableType()).getClassName();
}
xmlDump.append(
" <itemDefinition id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(forEachNode) + "_multiInstanceItemType\" " + (type == null ? "" : "structureRef=\"" + XmlDumper.replaceIllegalChars(type) + "\"") + "/>" + EOL + EOL);
}
if (node instanceof CompositeNode) {
visitInterfaces(((CompositeNode) node).getNodes(), xmlDump);
}
}
}
protected void visitEscalations(Node[] nodes, StringBuilder xmlDump, List<String> escalations) {
for (Node node: nodes) {
if (node instanceof FaultNode) {
FaultNode faultNode = (FaultNode) node;
if (!faultNode.isTerminateParent()) {
String escalationCode = faultNode.getFaultName();
if (!escalations.contains(escalationCode)) {
escalations.add(escalationCode);
xmlDump.append(
" <escalation id=\"" + XmlDumper.replaceIllegalChars(escalationCode) + "\" escalationCode=\"" + XmlDumper.replaceIllegalChars(escalationCode) + "\" />" + EOL);
}
}
} else if (node instanceof ActionNode) {
ActionNode actionNode = (ActionNode) node;
DroolsConsequenceAction action = (DroolsConsequenceAction) actionNode.getAction();
if (action != null) {
String s = action.getConsequence();
if (s.startsWith("org.drools.process.instance.context.exception.ExceptionScopeInstance scopeInstance = (org.drools.process.instance.context.exception.ExceptionScopeInstance) ((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).resolveContextInstance(org.drools.process.core.context.exception.ExceptionScope.EXCEPTION_SCOPE, \"")) {
s = s.substring(327);
String type = s.substring(0, s.indexOf("\""));
if (!escalations.contains(type)) {
escalations.add(type);
xmlDump.append(
" <escalation id=\"" + XmlDumper.replaceIllegalChars(type) + "\" escalationCode=\"" + XmlDumper.replaceIllegalChars(type) + "\" />" + EOL);
}
}
}
} else if (node instanceof EventNode) {
EventNode eventNode = (EventNode) node;
String type = (String) eventNode.getMetaData("EscalationEvent");
if (type != null) {
if (!escalations.contains(type)) {
escalations.add(type);
xmlDump.append(
" <escalation id=\"" + XmlDumper.replaceIllegalChars(type) + "\" escalationCode=\"" + XmlDumper.replaceIllegalChars(type) + "\" />" + EOL);
}
}
}
if (node instanceof CompositeNode) {
visitEscalations(((CompositeNode) node).getNodes(), xmlDump, escalations);
}
}
}
protected void visitErrors(Node[] nodes, StringBuilder xmlDump, List<String> errors) {
for (Node node: nodes) {
if (node instanceof FaultNode) {
FaultNode faultNode = (FaultNode) node;
if (faultNode.isTerminateParent()) {
String errorCode = faultNode.getFaultName();
if (!errors.contains(errorCode)) {
errors.add(errorCode);
xmlDump.append(
" <error id=\"" + XmlDumper.replaceIllegalChars(errorCode) + "\" errorCode=\"" + XmlDumper.replaceIllegalChars(errorCode) + "\" />" + EOL);
}
}
} else if (node instanceof EventNode) {
EventNode eventNode = (EventNode) node;
String type = (String) eventNode.getMetaData("ErrorEvent");
if (type != null) {
if (!errors.contains(type)) {
errors.add(type);
xmlDump.append(
" <error id=\"" + XmlDumper.replaceIllegalChars(type) + "\" errorCode=\"" + XmlDumper.replaceIllegalChars(type) + "\" />" + EOL);
}
}
}
if (node instanceof CompositeNode) {
visitErrors(((CompositeNode) node).getNodes(), xmlDump, errors);
}
}
}
private void visitNodes(WorkflowProcess process, StringBuilder xmlDump, int metaDataType) {
xmlDump.append(" <!-- nodes -->" + EOL);
for (Node node: process.getNodes()) {
visitNode(node, xmlDump, metaDataType);
}
xmlDump.append(EOL);
}
public void visitNode(Node node, StringBuilder xmlDump, int metaDataType) {
Handler handler = semanticModule.getHandlerByClass(node.getClass());
if (handler != null) {
((AbstractNodeHandler) handler).writeNode((org.drools.workflow.core.Node) node, xmlDump, metaDataType);
} else {
throw new IllegalArgumentException(
"Unknown node type: " + node);
}
}
private void visitNodesDi(Node[] nodes, StringBuilder xmlDump) {
for (Node node: nodes) {
Integer x = (Integer) node.getMetaData().get("x");
Integer y = (Integer) node.getMetaData().get("y");
Integer width = (Integer) node.getMetaData().get("width");
Integer height = (Integer) node.getMetaData().get("height");
if (x == null) {
x = 0;
}
if (y == null) {
y = 0;
}
if (width == null) {
width = 48;
}
if (height == null) {
height = 48;
}
if (node instanceof StartNode || node instanceof EndNode || node instanceof EventNode || node instanceof FaultNode) {
int offsetX = (int) ((width - 48) / 2);
width = 48;
x = x + offsetX;
int offsetY = (int) ((height - 48) / 2);
y = y + offsetY;
height = 48;
} else if (node instanceof Join || node instanceof Split) {
int offsetX = (int) ((width - 48) / 2);
width = 48;
x = x + offsetX;
int offsetY = (int) ((height - 48) / 2);
y = y + offsetY;
height = 48;
}
int parentOffsetX = 0;
int parentOffsetY = 0;
NodeContainer nodeContainer = node.getNodeContainer();
while (nodeContainer instanceof CompositeNode) {
CompositeNode parent = (CompositeNode) nodeContainer;
Integer parentX = (Integer) parent.getMetaData().get("x");
if (parentX != null) {
parentOffsetX += parentX;
}
Integer parentY = (Integer) parent.getMetaData().get("y");
if (parentY != null) {
parentOffsetY += (Integer) parent.getMetaData().get("y");
}
nodeContainer = parent.getNodeContainer();
}
x += parentOffsetX;
y += parentOffsetY;
xmlDump.append(
" <bpmndi:BPMNShape bpmnElement=\"" + getUniqueNodeId(node) + "\" >" + EOL +
" <dc:Bounds x=\"" + x + "\" " + "y=\"" + y + "\" " +
"width=\"" + width + "\" " + "height=\"" + height + "\" />" + EOL +
" </bpmndi:BPMNShape>" + EOL);
if (node instanceof CompositeNode) {
visitNodesDi(((CompositeNode) node).getNodes(), xmlDump);
}
}
}
private void visitConnections(Node[] nodes, StringBuilder xmlDump, int metaDataType) {
xmlDump.append(" <!-- connections -->" + EOL);
List<Connection> connections = new ArrayList<Connection>();
for (Node node: nodes) {
for (List<Connection> connectionList: node.getIncomingConnections().values()) {
connections.addAll(connectionList);
}
}
for (Connection connection: connections) {
visitConnection(connection, xmlDump, metaDataType);
}
xmlDump.append(EOL);
}
public void visitConnection(Connection connection, StringBuilder xmlDump, int metaDataType) {
xmlDump.append(" <sequenceFlow id=\"" +
getUniqueNodeId(connection.getFrom()) + "-" +
getUniqueNodeId(connection.getTo()) +
"\" sourceRef=\"" + getUniqueNodeId(connection.getFrom()) + "\" ");
// TODO fromType, toType
xmlDump.append("targetRef=\"" + getUniqueNodeId(connection.getTo()) + "\" ");
if (metaDataType == META_DATA_AS_NODE_PROPERTY) {
String bendpoints = (String) connection.getMetaData().get("bendpoints");
if (bendpoints != null) {
xmlDump.append("g:bendpoints=\"" + bendpoints + "\" ");
}
}
if (connection.getFrom() instanceof Split) {
Split split = (Split) connection.getFrom();
if (split.getType() == Split.TYPE_XOR || split.getType() == Split.TYPE_OR) {
Constraint constraint = split.getConstraint(connection);
if (constraint == null) {
xmlDump.append(">" + EOL +
" <conditionExpression xs:type=\"tFormalExpression\" />");
} else {
if (constraint.getName() != null && constraint.getName().trim().length() > 0) {
xmlDump.append("name=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(constraint.getName()) + "\" ");
}
xmlDump.append(">" + EOL +
" <conditionExpression xs:type=\"tFormalExpression\" ");
if ("code".equals(constraint.getType())) {
if (JavaDialect.ID.equals(constraint.getDialect())) {
xmlDump.append("language=\"" + JAVA_LANGUAGE + "\" ");
} else if (XPathDialect.ID.equals(constraint.getDialect())) {
xmlDump.append("language=\"" + XPATH_LANGUAGE + "\" ");
}
} else {
xmlDump.append("language=\"" + RULE_LANGUAGE + "\" ");
}
String constraintString = constraint.getConstraint();
if (constraintString == null) {
constraintString = "";
}
xmlDump.append(">" + XmlDumper.replaceIllegalChars(constraintString) + "</conditionExpression>");
}
xmlDump.append(EOL
+ " </sequenceFlow>" + EOL);
} else {
xmlDump.append("/>" + EOL);
}
} else {
xmlDump.append("/>" + EOL);
}
}
private void visitConnectionsDi(Node[] nodes, StringBuilder xmlDump) {
List<Connection> connections = new ArrayList<Connection>();
for (Node node: nodes) {
for (List<Connection> connectionList: node.getIncomingConnections().values()) {
connections.addAll(connectionList);
}
if (node instanceof CompositeNode) {
visitConnectionsDi(((CompositeNode) node).getNodes(), xmlDump);
}
}
for (Connection connection: connections) {
String bendpoints = (String) connection.getMetaData().get("bendpoints");
xmlDump.append(
" <bpmndi:BPMNEdge bpmnElement=\"" +
getUniqueNodeId(connection.getFrom()) + "-" + getUniqueNodeId(connection.getTo()) + "\" >" + EOL);
Integer x = (Integer) connection.getFrom().getMetaData().get("x");
if (x == null) {
x = 0;
}
Integer y = (Integer) connection.getFrom().getMetaData().get("y");
if (y == null) {
y = 0;
}
Integer width = (Integer) connection.getFrom().getMetaData().get("width");
if (width == null) {
width = 40;
}
Integer height = (Integer) connection.getFrom().getMetaData().get("height");
if (height == null) {
height = 40;
}
xmlDump.append(
" <di:waypoint x=\"" + (x + width/2) + "\" y=\"" + (y + height/2) + "\" />" + EOL);
if (bendpoints != null) {
bendpoints = bendpoints.substring(1, bendpoints.length() - 1);
String[] points = bendpoints.split(";");
for (String point: points) {
String[] coords = point.split(",");
if (coords.length == 2) {
xmlDump.append(
" <di:waypoint x=\"" + coords[0] + "\" y=\"" + coords[1] + "\" />" + EOL);
}
}
}
x = (Integer) connection.getTo().getMetaData().get("x");
if (x == null) {
x = 0;
}
y = (Integer) connection.getTo().getMetaData().get("y");
if (y == null) {
y = 0;
}
width = (Integer) connection.getTo().getMetaData().get("width");
if (width == null) {
width = 40;
}
height = (Integer) connection.getTo().getMetaData().get("height");
if (height == null) {
height = 40;
}
xmlDump.append(
" <di:waypoint x=\"" + (x + width/2) + "\" y=\"" + (y + height/2) + "\" />" + EOL);
xmlDump.append(
" </bpmndi:BPMNEdge>" + EOL);
}
}
public static String getUniqueNodeId(Node node) {
String result = (String) node.getMetaData().get("UniqueId");
if (result != null) {
return result;
}
result = node.getId() + "";
NodeContainer nodeContainer = node.getNodeContainer();
while (nodeContainer instanceof CompositeNode) {
CompositeNode composite = (CompositeNode) nodeContainer;
result = composite.getId() + "-" + result;
nodeContainer = composite.getNodeContainer();
}
return "_" + result;
}
public static String replaceIllegalCharsAttribute(final String code) {
final StringBuilder sb = new StringBuilder();
if ( code != null ) {
final int n = code.length();
for ( int i = 0; i < n; i++ ) {
final char c = code.charAt( i );
switch ( c ) {
case '<' :
sb.append( "<" );
break;
case '>' :
sb.append( ">" );
break;
case '&' :
sb.append( "&" );
break;
case '"' :
sb.append( """ );
break;
default :
sb.append( c );
break;
}
}
} else {
sb.append( "null" );
}
return sb.toString();
}
}