Upload files with Selenium IDE

I started using selenium about 2 weeks ago. Find it as a very good QA tool.
But after a few successfully written tests I met the problem: Selenium is not able to use file input field. JavaScript permission restriction doesn't allow it.


Here is my solution written with JInvoke library: Jinvoke provides the classes to simulate the input to file chooser form.

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The problem I meat is selenium is stuck when simulate the click on upload file input. I have to launch the concurent thread that do the file name input. Thread code(Note file name should be given in Java format like 'c:/boot.ini):

import javax.swing.*;
import java.awt.event.KeyEvent;
import java.awt.*;

/**
* @author Bogdan Gusiev
* Date 29.03.2009
*/
public class FileChooserThread extends Thread {

public FileChooserThread(String file) {
super(new FileRunner(file));
}
}

class FileRunner implements Runnable {

private String fullName;

public FileRunner(String fileName) {
this.fullName = fileName;
}

public void run() {
try {
Thread.sleep(1000);
Robot robot = new Robot(); //input simulation class
for (char c : fullName.toCharArray()) {
if (c == ':') {
robot.keyPress(KeyEvent.VK_SHIFT);
robot.keyPress(KeyEvent.VK_SEMICOLON);
robot.keyRelease(KeyEvent.VK_SHIFT);
} else if (c == '/') {
robot.keyPress(KeyEvent.VK_BACK_SLASH);
} else {
robot.keyPress(KeyStroke.getKeyStroke(
Character.toUpperCase(c), 0).getKeyCode());
}
}
robot.keyPress(KeyEvent.VK_ENTER);
} catch (Exception e) {
throw new RuntimeException(e);
}
}

}

Here is selenium call method:

protected void chooseFile(String element, String fileName) {
Number positionLeft = selenium.getElementPositionLeft(element);
Number positionTop = selenium.getElementPositionTop(element);
new FileChooserThread(fileName).start(); //launch input thread.
//this method will held current thread while FileChooser gives the file name
selenium.clickAt("file", positionLeft + "," + positionTop);
}