package pt.ist.fenixframework.plugins;

import java.net.URL;
import java.util.Collections;
import java.util.List;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;

import pt.ist.fenixWebFramework.services.Service;
import pt.ist.fenixframework.FenixFrameworkPlugin;
import pt.ist.fenixframework.plugins.fileSupport.FileDeleterThread;
import pt.ist.fenixframework.plugins.fileSupport.domain.FileSupport;

@WebListener
public class FileSupportPlugin implements FenixFrameworkPlugin, ServletContextListener {
    private static boolean initialized = false;

    @Override
    public List<URL> getDomainModel() {
        URL resource = getClass().getResource("/file-plugin.dml");
        return Collections.singletonList(resource);
    }

    @Override
    @Service
    public void initialize() {
        if (!initialized) {
            FileSupport.getInstance();
            Thread thread = new Thread(new FileDeleterThread());
            thread.start();
            initialized = true;
        }
    }

    @Override
    public void contextInitialized(ServletContextEvent event) {
        initialize();
    }

    @Override
    public void contextDestroyed(ServletContextEvent event) {
    }
}