/**
* Execute this task.
*
* @throws BuildException on error
*/
public function main()
{
if ($this->property == null) {
throw new BuildException("property attribute required", $this->getLocation());
}
if ($this->file == null) {
throw new BuildException("file attribute required", $this->getLocation());
} else {
$value = $this->file->getAbsoluteFile()->getParent();
$this->getProject()->setNewProperty($this->property, $value);
}
}