/**
* 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.legacy.beta1;
import java.util.HashMap;
import java.util.Map;
import org.drools.compiler.xml.XmlDumper;
import org.drools.workflow.core.Node;
import org.drools.workflow.core.node.SubProcessNode;
import org.drools.xml.ExtensibleXmlParser;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class CallActivityHandler extends AbstractNodeHandler {
protected Node createNode(Attributes attrs) {
return new SubProcessNode();
}
@SuppressWarnings("unchecked")
public Class generateNodeFor() {
return SubProcessNode.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);
SubProcessNode subProcessNode = (SubProcessNode) node;
String processId = element.getAttribute("calledElement");
if (processId != null) {
subProcessNode.setProcessId(processId);
}
String waitForCompletion = element.getAttribute("waitForCompletion");
if (waitForCompletion != null && "false".equals(waitForCompletion)) {
subProcessNode.setWaitForCompletion(false);
}
String independent = element.getAttribute("independent");
if (independent != null && "false".equals(independent)) {
subProcessNode.setIndependent(false);
}
Map<String, String> dataInputs = new HashMap<String, String>();
Map<String, String> dataOutputs = new HashMap<String, String>();
org.w3c.dom.Node xmlNode = element.getFirstChild();
while (xmlNode != null) {
String nodeName = xmlNode.getNodeName();
if ("ioSpecification".equals(nodeName)) {
readIoSpecification(xmlNode, dataInputs, dataOutputs);
} else if ("dataInputAssociation".equals(nodeName)) {
readDataInputAssociation(xmlNode, subProcessNode, dataInputs);
} else if ("dataOutputAssociation".equals(nodeName)) {
readDataOutputAssociation(xmlNode, subProcessNode, dataOutputs);
}
xmlNode = xmlNode.getNextSibling();
}
}
protected void readIoSpecification(org.w3c.dom.Node xmlNode, Map<String, String> dataInputs, Map<String, String> dataOutputs) {
org.w3c.dom.Node subNode = xmlNode.getFirstChild();
while (subNode instanceof Element) {
String subNodeName = subNode.getNodeName();
if ("dataInput".equals(subNodeName)) {
String id = ((Element) subNode).getAttribute("id");
String inputName = ((Element) subNode).getAttribute("name");
dataInputs.put(id, inputName);
} else if ("dataOutput".equals(subNodeName)) {
String id = ((Element) subNode).getAttribute("id");
String outputName = ((Element) subNode).getAttribute("name");
dataOutputs.put(id, outputName);
}
subNode = subNode.getNextSibling();
}
}
protected void readDataInputAssociation(org.w3c.dom.Node xmlNode, SubProcessNode subProcessNode, Map<String, String> dataInputs) {
// sourceRef
org.w3c.dom.Node subNode = xmlNode.getFirstChild();
String from = subNode.getTextContent();
// targetRef
subNode = subNode.getNextSibling();
String to = subNode.getTextContent();
subProcessNode.addInMapping(dataInputs.get(to), from);
}
protected void readDataOutputAssociation(org.w3c.dom.Node xmlNode, SubProcessNode subProcessNode, Map<String, String> dataOutputs) {
// sourceRef
org.w3c.dom.Node subNode = xmlNode.getFirstChild();
String from = subNode.getTextContent();
// targetRef
subNode = subNode.getNextSibling();
String to = subNode.getTextContent();
subProcessNode.addOutMapping(dataOutputs.get(from), to);
}
public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
SubProcessNode subProcessNode = (SubProcessNode) node;
writeNode("callActivity", subProcessNode, xmlDump, includeMeta);
if (subProcessNode.getProcessId() != null) {
xmlDump.append("calledElement=\"" + XmlDumper.replaceIllegalChars(subProcessNode.getProcessId()) + "\" ");
}
if (!subProcessNode.isWaitForCompletion()) {
xmlDump.append("tns:waitForCompletion=\"false\" ");
}
if (!subProcessNode.isIndependent()) {
xmlDump.append("tns:independent=\"false\" ");
}
xmlDump.append(">" + EOL);
writeIO(subProcessNode, xmlDump);
endNode("callActivity", xmlDump);
}
protected void writeIO(SubProcessNode subProcessNode, StringBuilder xmlDump) {
xmlDump.append(" <ioSpecification>" + EOL);
for (Map.Entry<String, String> entry: subProcessNode.getInMappings().entrySet()) {
xmlDump.append(" <dataInput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(subProcessNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input\" name=\"" + XmlDumper.replaceIllegalChars(entry.getKey()) + "\" />" + EOL);
}
for (Map.Entry<String, String> entry: subProcessNode.getOutMappings().entrySet()) {
xmlDump.append(" <dataOutput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(subProcessNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Output\" name=\"" + XmlDumper.replaceIllegalChars(entry.getKey()) + "\" />" + EOL);
}
xmlDump.append(" <inputSet>" + EOL);
for (Map.Entry<String, String> entry: subProcessNode.getInMappings().entrySet()) {
xmlDump.append(" <dataInputRefs>" + XmlBPMNProcessDumper.getUniqueNodeId(subProcessNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input</dataInputRefs>" + EOL);
}
xmlDump.append(" </inputSet>" + EOL);
xmlDump.append(" <outputSet>" + EOL);
for (Map.Entry<String, String> entry: subProcessNode.getOutMappings().entrySet()) {
xmlDump.append(" <dataOutputRefs>" + XmlBPMNProcessDumper.getUniqueNodeId(subProcessNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Output</dataOutputRefs>" + EOL);
}
xmlDump.append(" </outputSet>" + EOL);
xmlDump.append(" </ioSpecification>" + EOL);
for (Map.Entry<String, String> entry: subProcessNode.getInMappings().entrySet()) {
xmlDump.append(" <dataInputAssociation>" + EOL);
xmlDump.append(
" <sourceRef>" + XmlDumper.replaceIllegalChars(entry.getValue()) + "</sourceRef>" + EOL +
" <targetRef>" + XmlBPMNProcessDumper.getUniqueNodeId(subProcessNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Input</targetRef>" + EOL);
xmlDump.append(" </dataInputAssociation>" + EOL);
}
for (Map.Entry<String, String> entry: subProcessNode.getOutMappings().entrySet()) {
xmlDump.append(" <dataOutputAssociation>" + EOL);
xmlDump.append(
" <sourceRef>" + XmlBPMNProcessDumper.getUniqueNodeId(subProcessNode) + "_" + XmlDumper.replaceIllegalChars(entry.getKey()) + "Output</sourceRef>" + EOL +
" <targetRef>" + entry.getValue() + "</targetRef>" + EOL);
xmlDump.append(" </dataOutputAssociation>" + EOL);
}
}
}