package org.drools.compiler.xml.processes;
import org.drools.process.core.event.EventFilter;
import org.drools.process.core.event.EventTypeFilter;
import org.drools.workflow.core.Node;
import org.drools.workflow.core.node.EventNode;
import org.drools.xml.ExtensibleXmlParser;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;
public class EventNodeHandler extends AbstractNodeHandler {
protected Node createNode() {
return new EventNode();
}
@SuppressWarnings("unchecked")
public Class generateNodeFor() {
return EventNode.class;
}
public 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);
EventNode eventNode = (EventNode) node;
String variableName = element.getAttribute("variableName");
if (variableName != null && variableName.length() != 0 ) {
eventNode.setVariableName(variableName);
}
String scope = element.getAttribute("scope");
if (scope != null && scope.length() != 0 ) {
eventNode.setScope(scope);
}
}
public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
EventNode eventNode = (EventNode) node;
writeNode("eventNode", eventNode, xmlDump, includeMeta);
String variableName = eventNode.getVariableName();
if (variableName != null && variableName.length() != 0) {
xmlDump.append("variableName=\"" + variableName + "\" ");
}
String scope = eventNode.getScope();
if (scope != null && scope.length() != 0) {
xmlDump.append("scope=\"" + scope + "\" ");
}
xmlDump.append(">" + EOL);
xmlDump.append(" <eventFilters>" + EOL);
for (EventFilter filter: eventNode.getEventFilters()) {
if (filter instanceof EventTypeFilter) {
xmlDump.append(" <eventFilter "
+ "type=\"eventType\" "
+ "eventType=\"" + ((EventTypeFilter) filter).getType() + "\" />" + EOL);
} else {
throw new IllegalArgumentException(
"Unknown filter type: " + filter);
}
}
xmlDump.append(" </eventFilters>" + EOL);
endNode("eventNode", xmlDump);
}
}