package org.uscxml.tests.ioprocessor.adhoc;
import java.io.IOException;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.uscxml.Data;
import org.uscxml.Event;
import org.uscxml.Factory;
import org.uscxml.IOProcessor;
import org.uscxml.Interpreter;
import org.uscxml.InterpreterException;
import org.uscxml.SendRequest;
import org.uscxml.StringList;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
public class TestAdhocIOProc extends IOProcessor {
public Interpreter interpreter;
/**
* The types we will handle on a <send> element
*/
@Override
public StringList getNames() {
StringList ss = new StringList();
ss.add("java");
return ss;
}
/**
* Optional data we want to make available at
* _ioprocessors[this.getNames.front()] in the datamodel
*/
@Override
public Data getDataModelVariables() {
return new Data();
}
/**
* Send from the SCXML interpreter to this ioprocessor
*/
@Override
public void send(SendRequest req) {
System.out.println(req);
// send in s1.onentry
if ("This is some content!".equals(req.getContent())) {
returnEvent(new Event("received1"));
return;
}
// send in s2.onentry
if (req.getParams().containsKey("foo")
&& "bar".equals(req.getParams().get("foo").get(0).getAtom())) {
returnEvent(new Event("received2"));
return;
}
// send in s3
if (req.getXML().length() > 0) {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory
.newInstance();
Document doc = factory.newDocumentBuilder().parse(
new InputSource(new StringReader(req.getXML())));
System.out.println("Root element :"
+ doc.getDocumentElement().getNodeName());
if ("this".equals(doc.getDocumentElement().getNodeName())) {
returnEvent(new Event("received3"));
return;
}
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* Create a new instance of this
*/
@Override
public IOProcessor create(Interpreter interpreter) {
TestAdhocIOProc ioProc = new TestAdhocIOProc();
ioProc.interpreter = interpreter;
ioProc.swigReleaseOwnership();
return ioProc;
}
/**
* @param args
* @throws InterpreterException
*/
public static void main(String[] args) throws InterpreterException {
System.load("/Users/sradomski/Documents/TK/Code/uscxml/build/cli/lib/libuscxmlNativeJava64.jnilib");
String xml =
"<scxml>" +
" <state id=\"s1\">" +
" <onentry>" +
" <send type=\"java\">" +
" <content>This is some content!</content>" +
" </send>" +
" </onentry>" +
" <transition event=\"received1\" target=\"s2\" />" +
" </state>" +
" <state id=\"s2\">" +
" <onentry>" +
" <send type=\"java\">" +
" <param name=\"foo\" expr=\"bar\" />" +
" </send>" +
" </onentry>" +
" <transition event=\"received2\" target=\"s3\" />" +
" </state>" +
" <state id=\"s3\">" +
" <onentry>" +
" <send type=\"java\">" +
" <content>" +
" <this><is><xml/></is></this>" +
" </content>" +
" </send>" +
" </onentry>" +
" <transition event=\"received3\" target=\"done\" />" +
" </state>" +
" <final id=\"done\" />" +
"</scxml>";
TestAdhocIOProc ioProc = new TestAdhocIOProc();
// parse and interpret
Interpreter interpreter = Interpreter.fromXML(xml);
interpreter.addIOProcessor(ioProc);
interpreter.interpret();
}
}