| /* |
| * Copyright (C) 2003-2009 JNode.org |
| * 2009,2010 Matthias Treydte <mt@waldheinz.de> |
| * |
| * This library is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU Lesser General Public License as published |
| * by the Free Software Foundation; either version 2.1 of the License, or |
| * (at your option) any later version. |
| * |
| * This library 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 Lesser General Public |
| * License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public License |
| * along with this library; If not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| package de.waldheinz.fs; |
| |
| /** |
| * This interface is the base interface for objects that are part of a |
| * {@link FileSystem}. |
| * |
| * @author Ewout Prangsma <epr at jnode.org> |
| * @author Matthias Treydte <waldheinz at gmail.com> |
| */ |
| public interface FsObject { |
| |
| /** |
| * Checks if this {@code FsObject} is still valid. |
| * |
| * An object is not valid anymore if it has been removed from the |
| * filesystem. All invocations on methods (except this method and the |
| * methods inherited from {@link java.lang.Object}) of |
| * invalid objects must throw an {@link IllegalStateException}. |
| * |
| * @return if this {@code FsObject} is still valid |
| */ |
| public boolean isValid(); |
| |
| /** |
| * Checks if this {@code FsObject} is read-only. Any attempt to modify a |
| * read-only {@code FsObject} must result in a {@link ReadOnlyException} |
| * being thrown, and the modification must not be performed. |
| * |
| * @return if this {@code FsObject} is read-only |
| * @since 0.6 |
| */ |
| public boolean isReadOnly(); |
| |
| } |