private void createDocument() throws Exception {
    // create the swriter-document and retrieve the doc
    XComponentLoader aLoader = (XComponentLoader)UnoRuntime.queryInterface(XComponentLoader.class,m_xMSF_.createInstance( "com.sun.star.frame.Desktop" ));
    XComponent xDocument = UNO.queryComponent(aLoader.loadComponentFromURL( "private:factory/swriter", "_blank", 0, new PropertyValue[ 0 ] ) );
    XTextDocument oDoc = (XTextDocument) UnoRuntime.queryInterface(XTextDocument.class, xDocument);

    // create a supplier to get the Style family collection
    XStyleFamiliesSupplier xSupplier = ( XStyleFamiliesSupplier ) UnoRuntime.queryInterface(XStyleFamiliesSupplier.class, oDoc );

    // get the NameAccess interface from the Style family collection
    XNameAccess xNameAccess = xSupplier.getStyleFamilies();

    XNameContainer xPageStyleCollection = (XNameContainer) UnoRuntime.queryInterface(XNameContainer.class, xNameAccess.getByName( "PageStyles" ));

    // create a PropertySet to set the properties for the new Pagestyle
    XPropertySet xPropertySet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, xPageStyleCollection.getByName("Standard") );

    // setBackgroundColor
    xPropertySet.setPropertyValue("BackColor",new Integer( (int)255 ) );
}