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https://issues.apache.org/jira/browse/CLI-230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13575882#comment-13575882
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Alexander Fast commented on CLI-230:
------------------------------------
{quote}
Actually, Options.getRequiredOptions() should return an unmodifiable list,
adding there something really breaks some internal logic.
{quote}
Agreed, I thought that was strange as well (got warnings about unchecked when
adding typed stuff to the list).
> Unable to properly require options
> ----------------------------------
>
> Key: CLI-230
> URL: https://issues.apache.org/jira/browse/CLI-230
> Project: Commons CLI
> Issue Type: Bug
> Components: CLI-1.x, Options definition
> Affects Versions: 1.2
> Environment: windows jdk1.6.0_21
> Reporter: Alexander Fast
>
> Having some problems setting options as required. Have I misunderstood the
> documentation?
> * In test1() the option is required but also supplied, I expect to get no
> exceptions.
> * In test2() the option is required but *not* supplied, I expect to get an
> exception.
> {code:java}
> public class Testing {
> public static void main(String[] args) {
> System.out.println("Begin test 1");
> test1();
> System.out.println("End test 1");
> System.out.println("Begin test 2");
> test2();
> System.out.println("End test 2");
> }
> private static void test1() {
> String[] args = new String[] { "--foo" };
> Options options = new Options();
> options.addOption("f", "foo", false, "");
> options.getRequiredOptions().add(options.getOption("foo"));
> GnuParser parser = new GnuParser();
> try {
> parser.parse(options, args);
> } catch (ParseException e) {
> // didn't expect to get MissingOptionException here
> System.out.println("ERROR: " + e.getMessage());
> }
> }
> private static void test2() {
> String[] args = new String[] { };
> Options options = new Options();
> options.addOption("f", "foo", false, "");
> options.getOption("f").setRequired(true);
> GnuParser parser = new GnuParser();
> try {
> parser.parse(options, args);
> } catch (ParseException e) {
> // expected to get MissingOptionException here
> System.out.println("ERROR: " + e.getMessage());
> }
> }
> }
> {code}
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