package netbeans;

import java.net.URL;
import java.util.logging.Logger;
import org.netbeans.api.autoupdate.UpdateUnitProvider;
import org.netbeans.api.autoupdate.UpdateUnitProviderFactory;

public class AutoUpdater {

    private static final Logger log = Logger.getLogger(AutoUpdater.class.getName());

    private final URL url;

    private final String name;

    private final String displayName;

    /**
     * Conveniently register an UpdateUnitProvider.
     *
     * @param url URL to Autoupdate Catalog. Where the updates.xml file and probably associated NBM (NetBeans Module) files are.
     * @param name name of provider, this name is used by Autoupdate infrastructure for manipulating of providers.
     * @param displayName display name of provider
     *
     * @see UpdateRestarter
     */
    public AutoUpdater(URL url, String name, String displayName) {
        this.url = url;
        this.name = name;
        this.displayName = displayName;
    }

    public void refresh() {
        try {
            log.info(String.format("Initiating autoupdate from %s", url));
            UpdateUnitProvider uup = UpdateUnitProviderFactory.getDefault().create(
                    name,
                    displayName,
                    url
            );
            uup.refresh(null, true);

        } catch (Exception e) {
            log.severe(e.toString());
        }
    }
}