package org.jbpm.compiler.xml.processes;
import java.util.List;
import java.util.Map;
import org.drools.compiler.xml.XmlDumper;
import org.jbpm.process.core.event.EventFilter;
import org.jbpm.process.core.event.EventTypeFilter;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.node.ConstraintTrigger;
import org.jbpm.workflow.core.node.EventTrigger;
import org.jbpm.workflow.core.node.StartNode;
import org.jbpm.workflow.core.node.Trigger;
public class StartNodeHandler extends AbstractNodeHandler {
protected Node createNode() {
return new StartNode();
}
@SuppressWarnings("unchecked")
public Class generateNodeFor() {
return StartNode.class;
}
public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
StartNode startNode = (StartNode) node;
writeNode("start", startNode, xmlDump, includeMeta);
List<Trigger> triggers = startNode.getTriggers();
if ((triggers == null || triggers.isEmpty()) && (!includeMeta || !containsMetaData(startNode))) {
endNode(xmlDump);
} else {
xmlDump.append(">" + EOL);
if (includeMeta) {
writeMetaData(startNode, xmlDump);
}
if (triggers != null) {
xmlDump.append(" <triggers>" + EOL);
for (Trigger trigger: triggers) {
if (trigger instanceof ConstraintTrigger) {
xmlDump.append(" <trigger type=\"constraint\" >" + EOL);
xmlDump.append(" <constraint type=\"rule\" dialect=\"mvel\" >"
+ ((ConstraintTrigger) trigger).getConstraint() + "</constraint>" + EOL);
Map<String, String> inMappings = trigger.getInMappings();
if (inMappings != null && !inMappings.isEmpty()) {
for (Map.Entry<String, String> entry: inMappings.entrySet()) {
xmlDump.append(" <mapping type=\"in\" from=\""
+ XmlDumper.replaceIllegalChars(entry.getValue())
+ "\" to=\"" + entry.getKey() + "\" />" + EOL);
}
}
xmlDump.append(" </trigger>" + EOL);
} else if (trigger instanceof EventTrigger) {
xmlDump.append(" <trigger type=\"event\" >" + EOL);
xmlDump.append(" <eventFilters>" + EOL);
for (EventFilter filter: ((EventTrigger) trigger).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);
Map<String, String> inMappings = trigger.getInMappings();
if (inMappings != null && !inMappings.isEmpty()) {
for (Map.Entry<String, String> entry: inMappings.entrySet()) {
xmlDump.append(" <mapping type=\"in\" from=\""
+ XmlDumper.replaceIllegalChars(entry.getValue())
+ "\" to=\"" + entry.getKey() + "\" />" + EOL);
}
}
xmlDump.append(" </trigger>" + EOL);
} else {
throw new IllegalArgumentException(
"Unknown trigger type " + trigger);
}
}
xmlDump.append(" </triggers>" + EOL);
}
endNode("start", xmlDump);
}
}
}