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https://issues.apache.org/jira/browse/COMPRESS-43?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb updated COMPRESS-43:
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Comment: was deleted
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> Support for JRE/JDK 1.3 by implementation
> -----------------------------------------
>
> Key: COMPRESS-43
> URL: https://issues.apache.org/jira/browse/COMPRESS-43
> Project: Commons Compress
> Issue Type: Improvement
> Environment: IBM JDK 1.3.1 SR9 for IBM WebSphere Application Server
> 5.0.2
> Reporter: Christian Gosch
> Assignee: Torsten Curdt
> Priority: Minor
>
> Currently "commons compress" does not support JDK/JRE 1.3, but requires
> JDK/JRE 1.4 to compile and run. Since there are still productive environments
> in real world which do not support JRE 1.4 or newer (like the mentioned IBM
> WAS 5.0.2) and java.util.zip.* has major known bugs in filename handling (see
> below), "commons compress" is a reasonable alternative and should be "more
> compatible".
> For problems in handling non-ASCII entry names in java.util.zip.*, see:
> http://bugs.sun.com/bugdatabase/view_bug.do;:YfiG?bug_id=4244499
> http://bugs.sun.com/bugdatabase/view_bug.do;:YfiG?bug_id=4820807
> For JDK / JRE 1.3 compatibility, only a few things must be fixed:
> (1) Set compiler version compatibility version to 1.3 instead of 1.4. This
> will result in class files with version identifier "47.0" instead of "48.0".
> This may be IDE specific in some cases anyway.
> (2) Remove "this.initCause(e);" in some non-default Exception constructors
> (or leave them completely blank)
> (3) Replace use of "String.split(String)" by JDK 1.3 API in
> PackableObject.identifyByHeader(File, List). Here is how it looks like:
> String name = file.getName();
> String extension = null;
> // String[] s = name.split("\\.");
> // if(s.length > 1) {
> // extension = s[ s.length - 1];
> // }
> // code above is not JDK 1.3 compliant but requires JDK
> 1.4.
> // Here is the 1.3 compliant implementation:
> int i = name.lastIndexOf(".");
> if (i > -1) {
> extension = name.substring(i + 1);
> }
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