root / trunk / build / distribution / IzPack / src / lib / com / izforge / izpack / PackFile.java @ 21757
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/*
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* $Id: PackFile.java 5819 2006-06-14 07:29:09Z cesar $
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* IzPack
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* Copyright (C) 2001 Johannes Lehtinen
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*
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* File : Pack.java
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* Description : Contains informations about a pack file.
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* Author's email : johannes.lehtinen@iki.fi
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* Author's Website : http://www.iki.fi/jle/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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package com.izforge.izpack; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.Serializable; |
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import java.util.List; |
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import java.util.Map; |
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/**
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* Encloses information about a packed file. This class abstracts the way file
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* data is stored to package.
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*
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* @author Johannes Lehtinen <johannes.lehtinen@iki.fi>
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*/
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public class PackFile implements Serializable |
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{ |
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public static final int OVERRIDE_FALSE = 0; |
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public static final int OVERRIDE_TRUE = 1; |
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public static final int OVERRIDE_ASK_FALSE = 2; |
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public static final int OVERRIDE_ASK_TRUE = 3; |
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public static final int OVERRIDE_UPDATE = 4; |
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public String sourcePath = null; |
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/** The full path name of the target file */
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private String targetPath = null; |
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/** The target operating system constraints of this file */
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private List osConstraints = null; |
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/** The length of the file in bytes */
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private long length = 0; |
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/** The last-modification time of the file. */
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private long mtime = -1; |
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/** True if file is a directory (length should be 0 or ignored) */
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private boolean isDirectory = false; |
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/** Whether or not this file is going to override any existing ones */
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private int override = OVERRIDE_FALSE; |
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/** Additional attributes or any else for customisation */
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private Map additionals = null; |
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public int previousPackNumber = -1; |
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public long offsetInPreviousPack = -1; |
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/**
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* Constructs and initializes from a source file.
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*
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* @param src file which this PackFile describes
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* @param target the path to install the file to
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* @param osList OS constraints
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* @param override what to do when the file already exists
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* @throws FileNotFoundException if the specified file does not exist.
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*/
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public PackFile(File src, String target, List osList, int override) |
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throws FileNotFoundException |
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{ |
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if (! src.exists()) // allows cleaner client co |
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throw new FileNotFoundException("No such file: "+src); |
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if ('/' != File.separatorChar) |
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target = target.replace(File.separatorChar, '/'); |
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if (target.endsWith("/")) |
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target = target.substring(0, target.length()-1); |
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this.sourcePath = src.getPath();
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this.targetPath = target;
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this.osConstraints = osList;
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this.override = override;
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this.length = src.length();
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this.mtime = src.lastModified();
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this.isDirectory = src.isDirectory();
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} |
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/**
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* Constructs and initializes from a source file.
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*
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* @param src file which this PackFile describes
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* @param target the path to install the file to
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* @param osList OS constraints
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* @param override what to do when the file already exists
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* @param additionals additional attributes
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* @throws FileNotFoundException if the specified file does not exist.
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*/
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public PackFile(File src, String target, List osList, int override, |
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Map additionals) throws FileNotFoundException |
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{ |
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this( src, target, osList, override);
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this.additionals = additionals;
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} |
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public void setPreviousPackFileRef(int previousPackNumber, |
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long offsetInPreviousPack)
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{ |
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this.previousPackNumber = previousPackNumber;
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this.offsetInPreviousPack = offsetInPreviousPack;
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} |
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/** The target operating system constraints of this file */
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public final List osConstraints() |
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{ |
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return osConstraints;
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} |
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/** The length of the file in bytes */
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public final long length() |
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{ |
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return length;
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} |
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/** The last-modification time of the file. */
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public final long lastModified() |
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{ |
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return mtime;
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} |
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/** Whether or not this file is going to override any existing ones */
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public final int override() |
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{ |
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return override;
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} |
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public final boolean isDirectory() |
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{ |
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return isDirectory;
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} |
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public final boolean isBackReference() |
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{ |
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return (previousPackNumber >= 0); |
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} |
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/** The full path name of the target file, using '/' as fileseparator. */
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public final String getTargetPath() |
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{ |
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return targetPath;
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} |
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/**
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* Returns the additionals map.
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* @return additionals
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*/
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public Map getAdditionals() |
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{ |
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return additionals;
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} |
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} |