import java.applet.*;
import java.awt.*;
import java.net.*;
import java.io.*;


public class PostNoThread extends Applet {
	
Button postButton;
TextField tf;

public void init()
{
	tf = new TextField(10);
	add(tf);
	postButton = new Button ("Type a String and then press this button");
	add (postButton);
	URLPoster.refreshStatics();
}

public boolean action(Event evt, Object obj)   
{  
	if (evt.target == postButton)
	{
		try
		{
			URLPoster.numberStarted++;
			new URLPoster(URLPoster.numberStarted, "TestExported", "test.txt", 
				tf.getText() + ": data from run " + String.valueOf(URLPoster.numberStarted));
System.out.println(URLPoster.numberStarted + " POST is done");			
		}
		catch (Exception e)
		{
			System.out.println("send failed");
			return true;
		}
	}
	return true;
}
}  // END OF Class PostNoThread



class URLPoster {

URL urlCGI;
String query, file, ext;
int numberOfThis;
static int numberStarted;

URLPoster(int numberOfThis, String folder, String fileWithExt, String data)
{
	this.numberOfThis = numberOfThis;
	urlCGI = null;
	try
	{
		urlCGI = new URL("http://segal.org/cgi-bin/form2mail");
	}
	catch (Exception e)
	{
		urlCGI = null;
		System.out.println("url could not be formed" + e);
	}
	int dotPosition = fileWithExt.indexOf('.');
	file = fileWithExt.substring(0, dotPosition);
	ext = fileWithExt.substring(dotPosition + 1);
	query = URLEncoder.encode("config") + "=" + URLEncoder.encode("/templates/" + folder +  
		"Append.txt");
	addToQuery("file", file);
	addToQuery("ext", ext);
	addToQuery("data", data);
System.out.println(numberOfThis + " POST starting");
	post();
}

static final void refreshStatics()
{
	numberStarted = 0;
}

final void addToQuery (String name, String value)
{
	query += ("&" + URLEncoder.encode(name) + "=" + URLEncoder.encode(value));
}

final void post()
{
	try
	{
		URLConnection uc = urlCGI.openConnection();
System.out.println(numberOfThis + " uc = " + uc);
		uc.setUseCaches(false);
System.out.println(numberOfThis + " point A");
		uc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
System.out.println(numberOfThis + " point B");
// setRequestProperty needed since some Netscape versions don't give this out properly
		uc.setAllowUserInteraction(false);
System.out.println(numberOfThis + " point C");
		uc.setDoInput(true);
System.out.println(numberOfThis + " point D");
		uc.setDoOutput(true); // after setRequestProperty which can reset doOutput to false
System.out.println(numberOfThis + " point E");
		DataOutputStream udos = new DataOutputStream(uc.getOutputStream ());
System.out.println(numberOfThis + " point F");
		udos.writeBytes(query);
System.out.println(numberOfThis + " point G");
		udos.flush();  // sends
System.out.println(numberOfThis + " point H");
		udos.close();   // cgi program won't return response until this is closed
System.out.println(numberOfThis + " point I");
		DataInputStream udis = new DataInputStream(uc.getInputStream ());
System.out.println(numberOfThis + " point J");
// NN won't post data unless inputStream is opened, but reading input is not necessary	
		udis.close();  // always close after opening
System.out.println(numberOfThis + " point K");
	}
	catch (Exception e)
	{
		System.out.println("Error in posting");
	}
}
}  // END OF Class URLPoster