package org.jbpm.compiler.xml;
import java.util.HashSet;
import org.drools.definition.process.Process;
import org.drools.xml.BaseAbstractHandler;
import org.drools.xml.ExtensibleXmlParser;
import org.drools.xml.Handler;
import org.jbpm.compiler.xml.ProcessBuildData;
import org.jbpm.workflow.core.impl.DroolsConsequenceAction;
import org.jbpm.workflow.core.impl.WorkflowProcessImpl;
import org.jbpm.workflow.core.node.ActionNode;
import org.jbpm.workflow.core.node.StartNode;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class StoreHandler extends BaseAbstractHandler
implements
Handler {
public StoreHandler() {
if ( (this.validParents == null) && (this.validPeers == null) ) {
this.validParents = new HashSet<Class<?>>();
this.validParents.add( Process.class );
this.validPeers = new HashSet<Class<?>>();
this.validPeers.add( StartNode.class );
this.validPeers.add( ActionNode.class );
this.allowNesting = false;
}
}
public Object start(final String uri,
final String localName,
final Attributes attrs,
final ExtensibleXmlParser xmlPackageReader) throws SAXException {
xmlPackageReader.startElementBuilder( localName,
attrs );
WorkflowProcessImpl process = ( WorkflowProcessImpl ) xmlPackageReader.getParent();
ActionNode actionNode = new ActionNode();
final String name = attrs.getValue( "name" );
emptyAttributeCheck( localName, "name", name, xmlPackageReader );
actionNode.setName( name );
final String id = attrs.getValue( "id" );
emptyAttributeCheck( localName, "id", name, xmlPackageReader );
actionNode.setId( new Long(id) );
process.addNode( actionNode );
((ProcessBuildData)xmlPackageReader.getData()).addNode( actionNode );
return actionNode;
}
public Object end(final String uri,
final String localName,
final ExtensibleXmlParser xmlPackageReader) throws SAXException {
final Element element = xmlPackageReader.endElementBuilder();
ActionNode actionNode = ( ActionNode ) xmlPackageReader.getCurrent();
String text = ((org.w3c.dom.Text)element.getChildNodes().item( 0 )).getWholeText();
DroolsConsequenceAction actionText = new DroolsConsequenceAction( "mvel", "list.add(\"" + text + "\")" );
actionNode.setAction( actionText );
return actionNode;
}
public Class<?> generateNodeFor() {
return ActionNode.class;
}
}