package installer;

import java.io.*;
import java.util.*;
import java.util.jar.*;
//import org.xml.sax.*;
//import org.w3c.dom.*;
//import javax.xml.parsers.*;
import java.net.URL;
import java.net.JarURLConnection;
//import javax.xml.parsers.*;
import javax.swing.*;

/**
 *  The <code>XmlUpdater</code> pulls a META-INF/converter.xml
 *  file out of a jar file and parses it, providing access to this
 *  information in a <code>Vector</code> of <code>ConverterInfo</code>
 *  objects.
 *
 *  @author  Aidan Butler
 */
public class IdeUpdater extends Thread {
   
    private String classesPath = null;
    private String jarfilename;
    private String installPath;
    
    private JLabel statusLabel;
    	
    private Vector listeners;
    private Thread internalThread;
    private boolean threadSuspended;
    private JProgressBar progressBar;
    
    private boolean isNetbeansPath = false;
    
    
    public IdeUpdater(String installPath, JLabel statusLabel, JProgressBar pBar) {
	
        if (installPath.endsWith(File.separator) == false)
            installPath += File.separator;

	//File jeditLauncher = new File( installPath + "jedit.jar" );
	File netbeansLauncher = new File( installPath + "bin" );
		
	if( netbeansLauncher.isDirectory() ) {
		isNetbeansPath = true;
		installPath = installPath +"modules" + File.separator;
	}
	/*
	else if( jeditLauncher.isFile() ){
		isNetbeansPath =  false;
		installPath = installPath + "jars" + File.separator;
	}
	*/
	
	System.out.println( "IdeUpdater installPath is " + installPath + " isNetbeansPath is " + isNetbeansPath );
        this.installPath = installPath;
        this.statusLabel = statusLabel;
	listeners = new Vector();
	threadSuspended = false;
	progressBar=pBar;
	progressBar.setStringPainted(true);
    }// XmlUpdater


	public boolean checkStop()
	{
            if (internalThread == Thread.currentThread())
                return false;
            return true;
	}// checkStop


	public void checkSuspend()
	{
            if (threadSuspended)
            {
		synchronized(this)
		{
                    while (threadSuspended)
                    {
                        try	{
                            wait();
                        } catch (InterruptedException eInt) {
                            //...
                        }
                    }
		}
            }
	}// checkSuspend
    

	public void setSuspend()
	{
            threadSuspended = true;
	}// setSuspend


	public void setResume()
	{
            threadSuspended = false;
            notify();
	}// setResume
	

	public void setStop()
	{
            internalThread = null;
	}// setStop
	

    public void run() {

        //InputStream istream;
        //URL url;
        //String fileName = null;

	internalThread = Thread.currentThread();
	
	progressBar.setString("Unzipping Required Files");
        ZipData zd = new ZipData("SFrameworkInstall.jar");

	// Adding IDE support	
	if( isNetbeansPath ) {
		if (!zd.extractEntry("ide/office.jar",installPath, statusLabel))
        	{
			onInstallComplete();
			return;
		}            
	}
	else {
		if (!zd.extractEntry("ide/idesupport.jar",installPath, statusLabel))
        	{
			onInstallComplete();
			return;
		}
		if (!zd.extractEntry("ide/OfficeScripting.jar",installPath, statusLabel))
        	{
			onInstallComplete();
			return;
		} 		
	}

        //System.out.println("About to call register");
	//Register.register(installPath+File.separator, statusLabel, progressBar);
	
	statusLabel.setText("Installation Complete");
	progressBar.setString("Installation Complete");
	progressBar.setValue(10);
	onInstallComplete();

    }// run
    

    public void addInstallListener(InstallListener listener)
    {
        listeners.addElement(listener);
    }// addInstallListener


    private void onInstallComplete()
    {
        Enumeration e = listeners.elements();
        while (e.hasMoreElements())
        {
            InstallListener listener = (InstallListener)e.nextElement();
            listener.installationComplete(null);
        }
    }// onInstallComplete
 
}// XmlUpdater class