import com.sun.star.beans.PropertyValue;
import com.sun.star.bridge.XBridge;
import com.sun.star.bridge.XBridgeFactory;
import com.sun.star.connection.XConnection;
import com.sun.star.connection.XConnector;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.lang.EventObject;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XEventListener;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XComponentContext;

public class Main implements XEventListener {

    public static void main(String[] args) throws Exception
    {
        com.sun.star.uno.XComponentContext xContext =
                com.sun.star.comp.helper.Bootstrap
                        .createInitialComponentContext(null);

        Object x =
                xContext.getServiceManager()
                        .createInstanceWithContext("com.sun.star.connection.Connector",
                                                   xContext);

        XConnector xConnector =
                (XConnector) UnoRuntime.queryInterface(XConnector.class, x);
        // UnoUrl.parseUnoUrl("uno:socket,host=localhost,port=2002;urp;StarOffice.ServiceManager");
        XConnection connection =
                xConnector.connect("socket,host=localhost,port=2002");
        try {
            x =
                    xContext.getServiceManager()
                            .createInstanceWithContext("com.sun.star.bridge.BridgeFactory",
                                                       xContext);
            XBridgeFactory xBridgeFactory =
                    (XBridgeFactory) UnoRuntime
                            .queryInterface(XBridgeFactory.class, x);
            XBridge bridge =
                    xBridgeFactory.createBridge("", "urp", connection, null);

            XComponent xComponent =
                    (XComponent) UnoRuntime.queryInterface(XComponent.class,
                                                           bridge);
            xComponent.addEventListener(new Main());

            x = bridge.getInstance("StarOffice.ServiceManager");

            if (x == null) {
                System.out.println("failed");
                System.exit(0);
            } else {
                System.out.println("ok");
            }

            XMultiComponentFactory xOfficeMultiComponentFactory =
                    (XMultiComponentFactory) UnoRuntime
                            .queryInterface(XMultiComponentFactory.class, x);

            doStuff(xContext, xOfficeMultiComponentFactory);
        } finally {
            connection.close();
        }
    }

    private static void
            doStuff(XComponentContext xContext,
                    XMultiComponentFactory multiComponent) throws Exception
    {
        Object desktop =
                multiComponent
                        .createInstanceWithContext("com.sun.star.frame.Desktop",
                                                   xContext);
        XComponentLoader xComponentLoader =
                (XComponentLoader) UnoRuntime
                        .queryInterface(XComponentLoader.class, desktop);
        PropertyValue[] loadProps = new PropertyValue[2];
        loadProps[0] = new PropertyValue();
        loadProps[0].Name = "Password";
        loadProps[0].Value = "";
        loadProps[1] = new PropertyValue();
        loadProps[1].Name = "Hidden";
        loadProps[1].Value = Boolean.TRUE;

        tryPasswords(xComponentLoader, loadProps);

        XComponent document =
                xComponentLoader.loadComponentFromURL("file:///E:/test.odt",
                                                      "_blank", 0, loadProps);
        if (document == null) {
            System.out.println("Document failed");
        } else {
            System.out.println("Document ok");
        }
    }

    private static void tryPasswords(XComponentLoader xComponentLoader,
                                     PropertyValue[] loadProps)
                                                               throws Exception
    {
        // This test for tota, totb, totc... toto ... hopefully toto will work
        // :)
        char[] pass = { 't', 'o', 't', 'a' };
        int iter = 20;
        while (iter-- > 0) {
            loadProps[0].Value = new String(pass);
            XComponent document =
                    xComponentLoader
                            .loadComponentFromURL("file:///E:/test.odt",
                                                  "_blank", 0, loadProps);
            if (document != null) {
                System.out.println(String.format("Password \"%s\" worked",
                                                 loadProps[0].Value));
                return;
            }
            pass[3] += 1;
        }
        System.out.println("Brute-force failed");
    }

    @Override
    public void disposing(EventObject arg0)
    {
        // TODO Auto-generated method stub

    }

}