package eu.deki.paste;

import java.io.IOException;
import android.os.AsyncTask;
import android.widget.Toast;
import android.content.Context;
import android.util.Log;

public abstract class PasteTask extends AsyncTask<String, Void, String>
{
    private String errorMessage = null;
    protected Context parentActivity = null;

    public PasteTask(Context parent)
    {
	super();
	parentActivity = parent;
    }

    @Override
    protected String doInBackground(String... params)
    {
	String title, content, expiration, result;

	if(params.length != 3)
	    return null;

	title = params[0];
	content = params[1];
	expiration = params[2];

	try
	{
	    result = paste(title, content, expiration);
	}
	catch(IOException ex)
	{
	    cancel(false);
	    errorMessage = ex.getLocalizedMessage();
	    result = errorMessage;
	    Log.e("PasteIt", "doInBackground", ex);
	}

	return result;
    }

    @Override
    protected void onPostExecute(String result)
    {

    }

    @Override
    protected void onCancelled()
    {
	//Toast toast = Toast.makeText(parentActivity.getApplicationContext(), errorMessage, Toast.LENGTH_SHORT);
	//toast.show();
    }

    protected abstract String paste(String title, String content, String delay) throws IOException;
}