78 lines
2.9 KiB
Java
78 lines
2.9 KiB
Java
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package netscape.softupdate ;
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import netscape.softupdate.*;
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import netscape.util.*;
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import java.lang.*;
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/*
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* InstallObject
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* abstract class for things that get installed
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* encapsulates a single action
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* The way your subclass is used:
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* Constructor should collect all the data needed to perform the action
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* Prepare() does any lengthy set-up action (uncompressing, patching, etc.)
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* Complete() is called to complete the action
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* Abort() is called when update is aborted
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* You are guaranteed to be called with Complete() or Abort() before finalize
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* If your Complete() throws, you'll also get called with an Abort()
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*/
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abstract class InstallObject {
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SoftwareUpdate softUpdate;
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InstallObject(SoftwareUpdate inSoftUpdate)
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{
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softUpdate = (SoftwareUpdate) inSoftUpdate;
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}
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/* Override with your set-up action */
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abstract protected void Prepare() throws SoftUpdateException;
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/* Override with your Completion action */
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abstract protected void Complete() throws SoftUpdateException;
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/* Override with an explanatory string for the progress dialog */
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abstract public String toString();
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/* Override with your clean-up function */
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abstract protected void Abort();
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}
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