/**
* 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.jbpm.bpmn2.xml;
import java.util.List;
import org.drools.xml.ExtensibleXmlParser;
import org.jbpm.bpmn2.core.Interface;
import org.jbpm.bpmn2.core.Interface.Operation;
import org.jbpm.compiler.xml.ProcessBuildData;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.node.WorkItemNode;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class ServiceTaskHandler extends TaskHandler {
protected Node createNode(Attributes attrs) {
return new WorkItemNode();
}
@SuppressWarnings("unchecked")
public Class generateNodeFor() {
return Node.class;
}
@SuppressWarnings("unchecked")
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);
WorkItemNode workItemNode = (WorkItemNode) node;
String operationRef = element.getAttribute("operationRef");
List<Interface> interfaces = (List<Interface>)
((ProcessBuildData) parser.getData()).getMetaData("Interfaces");
if (interfaces == null) {
throw new IllegalArgumentException("No interfaces found");
}
Operation operation = null;
for (Interface i: interfaces) {
operation = i.getOperation(operationRef);
if (operation != null) {
break;
}
}
if (operation == null) {
throw new IllegalArgumentException("Could not find operation " + operationRef);
}
workItemNode.getWork().setParameter("Interface", operation.getInterface().getName());
workItemNode.getWork().setParameter("Operation", operation.getName());
workItemNode.getWork().setParameter("ParameterType", operation.getMessage().getType());
}
protected String getTaskName(final Element element) {
return "Service Task";
}
public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
throw new IllegalArgumentException("Writing out should be handled by TaskHandler");
}
}