/*
*
*
* Copyright 1990-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package javax.microedition.lcdui;
/**
* This is a abstract factory for creating Displayable
* and Item's look & feel peer.
*/
abstract class LFFactory {
/** singleton concrete factory object */
private static LFFactory factory;
/**
* Returns a concrete factory object.
*/
static LFFactory getFactory() {
if (factory == null) {
factory = new LFFactoryImpl();
}
return factory;
}
/**
* Returns an <code>Alert</code> look & feel implementation.
*
* @param a The <code>Alert</code> associated with this look&feel
*
* @return an <code>Alert</code> look & feel implementation
*/
abstract AlertLF getAlertLF(Alert a);
/**
* Returns a <code>Canvas</code> look & feel implementation.
*
* @param c The <code>Canvas</code> associated with this look&feel
*
* @return a <code>Canvas</code> look & feel implementation
*/
abstract CanvasLF getCanvasLF(Canvas c);
/**
* Returns a <code>Form</code> look & feel implementation.
*
* @param f The <code>Form</code> associated with this look&feel
*
* @return a <code>Form</code> look & feel implementation
*/
abstract FormLF getFormLF(Form f);
/**
* Returns a <code>List</code> look & feel implementation.
*
* @param list The <code>List</code> associated with this look&feel
*
* @return a <code>List</code> look & feel implementation
*/
abstract FormLF getListLF(List list);
/**
* Returns a <code>TextBox</code> look & feel implementation.
*
* @param tb The <code>TextBox</code> associated with this look&feel
*
* @return a <code>TextBox</code> look & feel implementation
*/
abstract FormLF getTextBoxFormLF(TextBox tb);
/**
* Returns a <code>ChoiceGroup</code> look & feel implementation.
*
* @param cg The <code>ChoiceGroup</code> associated with this
* look&feel
*
* @return a <code>ChoiceGroup</code> look & feel implementation
*/
abstract ChoiceGroupLF getChoiceGroupLF(ChoiceGroup cg);
/**
* Returns a <code>CustomItem</code> look & feel implementation.
*
* @param ci The <code>CustomItem</code> associated with this
* look&feel
*
* @return a <code>CustomItem</code> look & feel implementation
*/
abstract CustomItemLF getCustomItemLF(CustomItem ci);
/**
* Returns a <code>DateField</code> look & feel implementation.
*
* @param df The <code>DateField</code> associated with this look&feel
*
* @return a <code>DateField</code> look & feel implementation
*/
abstract DateFieldLF getDateFieldLF(DateField df);
/**
* Returns a <code>Gauge</code> look & feel implementation.
*
* @param g The <code>Gauge</code> associated with this look&feel
*
* @return a <code>Gauge</code> look & feel implementation
*/
abstract GaugeLF getGaugeLF(Gauge g);
/**
* Returns an <code>ImageItem</code> look & feel implementation.
*
* @param imgItem The <code>Alert</code> associated with this look&feel
*
* @return an <code>ImageItem</code> look & feel implementation
*/
abstract ImageItemLF getImageItemLF(ImageItem imgItem);
/**
* Returns a <code>StringItem</code> look & feel implementation.
*
* @param strItem The <code>StringItem</code> associated with this
* look&feel
*
* @return a <code>StringItem</code> look & feel implementation
*/
abstract StringItemLF getStringItemLF(StringItem strItem);
/**
* Returns a <code>Spacer</code> look & feel implementation.
*
* @param spacer The <code>Spacer</code> associated with this look&feel
*
* @return a <code>Spacer</code> look & feel implementation
*/
abstract SpacerLF getSpacerLF(Spacer spacer);
/**
* Returns a <code>TextField</code> look & feel implementation.
*
* @param tf The <code>TextField</code> associated with this look&feel
*
* @return a <code>TextField</code> look & feel implementation
*/
abstract TextFieldLF getTextFieldLF(TextField tf);
/**
* Returns a TextField look & feel implementation
* for use in a TextBox screen.
*
* @param tf - <placeholder>
* @return a TextField look & feel implementation
*/
abstract TextFieldLF getTextBoxLF(TextField tf);
/**
* Returns a <code>Ticker</code> look & feel implementation.
*
* @param ticker The <code>Ticker</code> associated with this look&feel
*
* @return a <code>Ticker</code> look & feel implementation.
*/
abstract TickerLF getTickerLF(Ticker ticker);
}