import java.io.*;
import java.util.ArrayList;             
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
 
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;                    
 
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
 
import org.xml.sax.helpers.DefaultHandler;
 
    class States {
 
	private String sxmiid;
 
	private String sname;
 
	public States() {
 
	}
	

    
    
 
	public States(String sxmiid,String sname) {
		this.sxmiid = sxmiid;
		this.sname = sname;
 
 
	}
	public String getSxmiid() {
		return sxmiid;
	}
 
	public void setSxmiid(String sxmiid) {
		this.sxmiid = sxmiid;
	}
 
 
	public String getSname() {
		return sname;
	}
 
	public void setSname(String sname) {
		this.sname = sname;
	}
 
 
 
	public String toString() {
		StringBuffer sb = new StringBuffer();
		sb.append("State id:" + getSxmiid());
		sb.append(", ");
		sb.append("State name:" + getSname());
		sb.append(". ");
		return sb.toString();
	}
}
    
    
	
	
    class Connexion {
    	 
	private String sxmiid;
 
	private String sname;
 
	public Connexion() {
 
	}
 
	public Connexion(String sxmiid,String sname) {
		this.sxmiid = sxmiid;
		this.sname = sname;
 
 
	}
	public String getSxmiid() {
		return sxmiid;
	}
 
	public void setSxmiid(String sxmiid) {
		this.sxmiid = sxmiid;
	}
 
 
	public String getSname() {
		return sname;
	}
 
	public void setSname(String sname) {
		this.sname = sname;
	}
 
 
 
	public String toString() {
		StringBuffer sb = new StringBuffer();
		sb.append("Connexion id:" + getSxmiid());
		sb.append(", ");
		sb.append("Connexion  name:" + getSname());
		sb.append(". ");
		return sb.toString();
	}
}
    
 
class Events {
 
	private String exmiid;
 
	private String ename;
 
	private String esource;
 
	private String etarget;
 
	public Events(){
 
	}
 
	public Events(String exmiid,String ename,String esource,String etarget) {
 
		this.exmiid = exmiid;
		this.ename = ename;
		this.esource = esource;
		this.etarget = etarget;
 
	}
 
	public String getExmiid() {
		return exmiid;
	}
 
	public void setExmiid(String exmiid) {
		this.exmiid  = exmiid;
	}
 
 
 
	public String getEname() {
		return ename;
	}
 
	public void setEname(String ename) {
		this.ename = ename;
	}	
 
 
	public String getEsource() {
		return esource;
	}
 
	public void setEsource(String esource) {
		this.esource = esource;
	}
 
	public String getEtarget() {
 
		return etarget;
	}
 
	public void setEtarget(String etarget) {
		this.etarget = etarget;
	}
 
 
	public String toString() {
		StringBuffer sb = new StringBuffer();
		sb.append("Event id:" + getExmiid());
		sb.append(", ");
		sb.append("Event name:" + getEname());
		sb.append(". ");
		return sb.toString();
 
	}
}
 
 
public class XMIParser extends DefaultHandler {
 
	//List myEmpls;
	List<States> myStates;
 
	List<Events> myEvents;
	List<Connexion> myConnexion;
 
	String file;
 
	private String tempVal;
 
	private States tempStates;
	private Events tempEvents;
	private Connexion tempConnexion;
	private int i=0;
	private int j=0;
	private int k=0;
 
	public XMIParser() {
		myStates = new ArrayList();
		myEvents = new ArrayList();
		myConnexion = new ArrayList();
	}
 
	public void runParser() throws IOException {
		parseDocument();
		printData();
		//printFile();
	}
 
	private void parseDocument() {
 
		//get a factory
		SAXParserFactory spf = SAXParserFactory.newInstance();
		try {
 
			//get a new instance of parser
			SAXParser sp = spf.newSAXParser();
 
			//parse the file and also register this class for call backs
			sp.parse("ok.xmi",this);
 
		}
		catch(SAXException se) {
			se.printStackTrace();
		}
		catch(ParserConfigurationException pce) {
			pce.printStackTrace();
		}
		catch (IOException ie) {
			ie.printStackTrace();
		}
 
	}
 
	/**
	 * Iterate through the list and print
	 * the contents
	 */
	private void printData() {
 
		
	
		System.out.println("STATES\n");
		for(ListIterator<States> its = myStates.listIterator(); its.hasNext(); i++) 

			System.out.println(i + ":" + its.next().toString());
		System.out.println("\nEVENTS\n");
			for(ListIterator<Events> it = myEvents.listIterator(); it.hasNext(); j++)
				System.out.println(j + ":" + it.next().toString());
			System.out.println("\nCONNEXIONS\n");
			for(ListIterator<Connexion> co = myConnexion.listIterator(); co.hasNext(); k++)
				System.out.println(k + ":" + co.next().toString());
			
			
				
		}
 
 
	//Event Handlers
	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
 
		tempVal = "";
		if(qName.equalsIgnoreCase("subvertex")) {
 
			tempStates = new States();
			tempStates.setSxmiid(attributes.getValue("xmi:id"));
			tempStates.setSname(attributes.getValue("name"));
		}
		else if(qName.equalsIgnoreCase("transition")) {
 
			tempEvents = new Events();
			tempEvents.setExmiid(attributes.getValue("xmi:id"));
			tempEvents.setEname(attributes.getValue("name"));
		}
		else
			if(qName.equalsIgnoreCase("connectionPoint")) {
			 
			tempConnexion = new Connexion();
			tempConnexion.setSxmiid(attributes.getValue("xmi:id"));
			tempConnexion.setSname(attributes.getValue("name"));
		}
	}
 
 
	public void characters(char[] ch, int start, int length) throws SAXException {
		tempVal = new String(ch,start,length);
	}
 
	public void endElement(String uri, String localName, String qName) throws SAXException {
 
		if(qName.equalsIgnoreCase("subvertex")) {
			myStates.add(tempStates);
 
		}
		else if (qName.equalsIgnoreCase("transition")) {
			myEvents.add(tempEvents);
		}
		else
			if(qName.equalsIgnoreCase("connectionPoint")) {
				myConnexion.add(tempConnexion);}
	 
 
 
	}
 
	public static void main(String[] args)throws IOException{
		XMIParser xp = new XMIParser();
		xp.runParser();
	}
 
}