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5fccf74422
catalog or a subdirectory of some sort. The main catalog applies to all disk formats while the subdirectory currently is only used by ProDOS.
69 lines
2.2 KiB
Java
69 lines
2.2 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002-2003 by Robert Greene
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package com.webcodepro.applecommander.storage;
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import java.util.List;
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/**
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* Represents a directory on disk. This could be the main
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* catalog or an actual directory. (FormattedDisk implements
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* DirectoryEntry.)
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* <p>
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* Date Created: Mar 2, 2003
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* @author Rob Greene
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*/
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public interface DirectoryEntry {
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/**
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* Retrieve the list of files in this directory.
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* Note that if this is not a directory, the return
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* value should be null. If this a directory, the
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* return value should always be a list - a directory
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* with 0 entries returns an empty list.
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*/
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public List getFiles();
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/**
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* Create a new FileEntry.
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*/
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public FileEntry createFile() throws DiskFullException;
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/**
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* Identify if additional directories can be created. This
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* may indicate that directories are not available to this
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* operating system or simply that the disk image is "locked"
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* to writing.
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*/
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public boolean canCreateDirectories();
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/**
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* Indicates if this disk image can create a file.
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* If not, the reason may be as simple as it has not beem implemented
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* to something specific about the disk.
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*/
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public boolean canCreateFile();
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/**
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* Get the FormattedDisk associated with this DirectoryEntry.
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* This is useful to interfaces that need to retrieve the associated
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* disk.
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*/
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public FormattedDisk getFormattedDisk();
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}
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