/**
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.jbpm.bpmn2.xml;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.drools.compiler.compiler.xml.XmlDumper;
import org.drools.core.process.core.Work;
import org.drools.core.xml.ExtensibleXmlParser;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.node.HumanTaskNode;
import org.jbpm.workflow.core.node.WorkItemNode;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class UserTaskHandler extends TaskHandler {
protected Node createNode(Attributes attrs) {
return new HumanTaskNode();
}
@SuppressWarnings("unchecked")
public Class generateNodeFor() {
return HumanTaskNode.class;
}
protected void handleNode(final Node node, final Element element, final String uri,
final String localName, final ExtensibleXmlParser parser) throws SAXException {
super.handleNode(node, element, uri, localName, parser);
HumanTaskNode humanTaskNode = (HumanTaskNode) node;
Work work = humanTaskNode.getWork();
work.setName("Human Task");
Map<String, String> dataInputs = new HashMap<String, String>();
Map<String, String> dataOutputs = new HashMap<String, String>();
List<String> owners = new ArrayList<String>();
org.w3c.dom.Node xmlNode = element.getFirstChild();
while (xmlNode != null) {
String nodeName = xmlNode.getNodeName();
// ioSpec and data{Input,Output}Spec handled in super.handleNode(...)
if ("potentialOwner".equals(nodeName)) {
String owner = readPotentialOwner(xmlNode, humanTaskNode);
if (owner != null) {
owners.add(owner);
}
}
xmlNode = xmlNode.getNextSibling();
}
if (owners.size() > 0) {
String owner = owners.get(0);
for (int i = 1; i < owners.size(); i++) {
owner += "," + owners.get(i);
}
humanTaskNode.getWork().setParameter("ActorId", owner);
}
humanTaskNode.getWork().setParameter("NodeName", humanTaskNode.getName() );
}
protected String readPotentialOwner(org.w3c.dom.Node xmlNode, HumanTaskNode humanTaskNode) {
org.w3c.dom.Node node = xmlNode.getFirstChild();
if (node != null) {
node = node.getFirstChild();
if (node != null) {
node = node.getFirstChild();
if (node != null) {
return node.getTextContent();
}
}
}
return null;
}
public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {
HumanTaskNode humanTaskNode = (HumanTaskNode) node;
writeNode("userTask", humanTaskNode, xmlDump, metaDataType);
xmlDump.append(">" + EOL);
writeExtensionElements(humanTaskNode, xmlDump);
writeIO(humanTaskNode, xmlDump);
String ownerString = (String) humanTaskNode.getWork().getParameter("ActorId");
if (ownerString != null) {
String[] owners = ownerString.split(",");
for (String owner: owners) {
xmlDump.append(
" <potentialOwner>" + EOL +
" <resourceAssignmentExpression>" + EOL +
" <formalExpression>" + owner + "</formalExpression>" + EOL +
" </resourceAssignmentExpression>" + EOL +
" </potentialOwner>" + EOL);
}
}
endNode("userTask", xmlDump);
}
protected void writeIO(WorkItemNode workItemNode, StringBuilder xmlDump) {
xmlDump.append(" <ioSpecification>" + EOL);
for (Map.Entry<String, String> entry: workItemNode.getInMappings().entrySet()) {
xmlDump.append(" <dataInput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(entry.getKey()) + "Input\" name=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(entry.getKey()) + "\" />" + EOL);
}
for (Map.Entry<String, Object> entry: workItemNode.getWork().getParameters().entrySet()) {
if (!"ActorId".equals(entry.getKey()) && entry.getValue() != null) {
xmlDump.append(" <dataInput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(entry.getKey()) + "Input\" name=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(entry.getKey()) + "\" />" + EOL);
}
}
for (Map.Entry<String, String> entry: workItemNode.getOutMappings().entrySet()) {
xmlDump.append(" <dataOutput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(entry.getKey()) + "Output\" name=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(entry.getKey()) + "\" />" + EOL);
}
xmlDump.append(" <inputSet>" + EOL);
for (Map.Entry<String, String> entry: workItemNode.getInMappings().entrySet()) {
xmlDump.append(" <dataInputRefs>" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input</dataInputRefs>" + EOL);
}
for (Map.Entry<String, Object> entry: workItemNode.getWork().getParameters().entrySet()) {
if (!"ActorId".equals(entry.getKey()) && entry.getValue() != null) {
xmlDump.append(" <dataInputRefs>" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input</dataInputRefs>" + EOL);
}
}
xmlDump.append(
" </inputSet>" + EOL);
xmlDump.append(" <outputSet>" + EOL);
for (Map.Entry<String, String> entry: workItemNode.getOutMappings().entrySet()) {
xmlDump.append(" <dataOutputRefs>" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Output</dataOutputRefs>" + EOL);
}
xmlDump.append(
" </outputSet>" + EOL);
xmlDump.append(
" </ioSpecification>" + EOL);
for (Map.Entry<String, String> entry: workItemNode.getInMappings().entrySet()) {
xmlDump.append(" <dataInputAssociation>" + EOL);
xmlDump.append(
" <sourceRef>" + XmlDumper.replaceIllegalChars(entry.getValue()) + "</sourceRef>" + EOL +
" <targetRef>" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input</targetRef>" + EOL);
xmlDump.append(" </dataInputAssociation>" + EOL);
}
for (Map.Entry<String, Object> entry: workItemNode.getWork().getParameters().entrySet()) {
if (!"ActorId".equals(entry.getKey()) && entry.getValue() != null) {
xmlDump.append(" <dataInputAssociation>" + EOL);
xmlDump.append(
" <targetRef>" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input</targetRef>" + EOL +
" <assignment>" + EOL +
" <from xsi:type=\"tFormalExpression\">" + XmlDumper.replaceIllegalChars(entry.getValue().toString()) + "</from>" + EOL +
" <to xsi:type=\"tFormalExpression\">" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input</to>" + EOL +
" </assignment>" + EOL);
xmlDump.append(" </dataInputAssociation>" + EOL);
}
}
for (Map.Entry<String, String> entry: workItemNode.getOutMappings().entrySet()) {
xmlDump.append(" <dataOutputAssociation>" + EOL);
xmlDump.append(
" <sourceRef>" + XmlBPMNProcessDumper.getUniqueNodeId(workItemNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Output</sourceRef>" + EOL +
" <targetRef>" + XmlDumper.replaceIllegalChars(entry.getValue()) + "</targetRef>" + EOL);
xmlDump.append(" </dataOutputAssociation>" + EOL);
}
}
}