0N/A/*
2362N/A * Copyright (c) 1996, 1998, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage java.beans;
0N/A
0N/A/**
0N/A * Under some circumstances a bean may be run on servers where a GUI
0N/A * is not available. This interface can be used to query a bean to
0N/A * determine whether it absolutely needs a gui, and to advise the
0N/A * bean whether a GUI is available.
0N/A * <p>
0N/A * This interface is for expert developers, and is not needed
0N/A * for normal simple beans. To avoid confusing end-users we
0N/A * avoid using getXXX setXXX design patterns for these methods.
0N/A */
0N/A
0N/Apublic interface Visibility {
0N/A
0N/A /**
0N/A * Determines whether this bean needs a GUI.
0N/A *
0N/A * @return True if the bean absolutely needs a GUI available in
0N/A * order to get its work done.
0N/A */
0N/A boolean needsGui();
0N/A
0N/A /**
0N/A * This method instructs the bean that it should not use the Gui.
0N/A */
0N/A void dontUseGui();
0N/A
0N/A /**
0N/A * This method instructs the bean that it is OK to use the Gui.
0N/A */
0N/A void okToUseGui();
0N/A
0N/A /**
0N/A * Determines whether this bean is avoiding using a GUI.
0N/A *
0N/A * @return true if the bean is currently avoiding use of the Gui.
0N/A * e.g. due to a call on dontUseGui().
0N/A */
0N/A boolean avoidingGui();
0N/A
0N/A}