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two tasks use the BZip2 compression algorithm (Visit: http://sourceware.cygnus.com/bzip2/�for more info.) for packing and unpacking. These tasks resemble GZip and GUnzip tasks in input, input validation, etc. �Hence, I refactored GZip and GUnzip tasks as well so that the tasks GZip and BZip2 extend from a common base class named Pack, and GUnzip and BUnzip2 extend from a common base class named Unpack. �This lays the foundation for creating more Pack tasks based on different algorithms like lzop, etc. in the future. The BZip2 and BUnzip2 tasks depend upon 4 classes: BZip2Constants.java CBZip2InputStream.java CBZip2OutputStream.java CRC.java Keiron Liddle (keiron@aftexsw.com) has graciously accepted to contribute the above code files he has authored, under ASF license - many thanks to him. �I have packaged them under org.apache.tools.bzip2, mimicking the package naming style that has been used for zip and tar tools we already have. �I have also given proper credits to him in the code. �Perhaps, this needs to exist under jakarta-commons, as Stefan had suggested, but till then... Submitted by: "Magesh Umasankar" <umagesh@rediffmail.com> git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269919 13f79535-47bb-0310-9956-ffa450edef68
46 lines
1.1 KiB
HTML
46 lines
1.1 KiB
HTML
<html>
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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<title>Apache Ant User Manual</title>
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</head>
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<body>
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<h2><a name="pack">GZip/BZip2</a></h2>
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<h3>Description</h3>
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<p>Packs a file using the GZip or BZip2 algorithm.</p>
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<h3>Parameters</h3>
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<table border="1" cellpadding="2" cellspacing="0">
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<tr>
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<td valign="top"><b>Attribute</b></td>
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<td valign="top"><b>Description</b></td>
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<td align="center" valign="top"><b>Required</b></td>
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</tr>
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<tr>
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<td valign="top">src</td>
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<td valign="top">the file to gzip.</td>
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<td align="center" valign="top">Yes</td>
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</tr>
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<tr>
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<td valign="top">tofile</td>
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<td valign="top">the destination file.</td>
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<td align="center" valign="top">Yes</td>
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</tr>
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</table>
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<h3>Examples</h3>
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<blockquote>
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<p><code><gzip src="test.tar" tofile="test.tar.gz"
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/></code></p>
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</blockquote>
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<blockquote>
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<p><code><bzip2 src="test.tar" tofile="test.tar.bz2"
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/></code></p>
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</blockquote>
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<hr>
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<p align="center">Copyright © 2000,2001 Apache Software Foundation. All rights
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Reserved.</p>
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</body>
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</html>
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