Fix some iterator boundary check bugs.
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Key: CLI-195
URL: https://issues.apache.org/jira/browse/CLI-195
Project: Commons CLI
Issue Type: Bug
Components: CLI-2.x
Affects Versions: Nightly Builds
Environment: JDK 5
Reporter: Haixing Hu
Priority: Critical
Fix For: Nightly Builds
Attachments: cli2-jdk1.5-patch-with-boundary-fix.patch
This patch can be applied to the current svn checked out version of cli2
(2010-Feb-9th).
It will make the cli2 compatible to JDK 5 generic type, eliminating all
compiling warnings,
and fix some minor but critical iterator boundary check bugs.
The bug could be found in the following way: creating some Option object
WITHOUT description,
and use a HelpFormatter to print the helping message, then a
NoSuchElementException will be thrown.
This is because the HelpFormatter.printHelp() did not correctly check the empty
status of descriptionIterator.
And moreover, some implementation of Option.processParent() method did not
check the empty status
of the argument "ListIterator<String> arguments".
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