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https://issues.apache.org/jira/browse/CLI-297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16908600#comment-16908600
]
Friedrich Clausen edited comment on CLI-297 at 8/16/19 1:22 AM:
----------------------------------------------------------------
This standalone test program reproduces the issue for me:
{code:java}
import org.apache.commons.cli.*;
class CheckEmpty {
public static void main(String[] args) {
Option widgetCount = Option.builder()
.longOpt("widget-count")
.hasArg()
.required()
.build();
Options options = new Options();
options.addOption(widgetCount);
CommandLineParser parser = new DefaultParser();
CommandLine commandLine;
try {
commandLine = parser.parse(options, args);
if (commandLine.hasOption("widget-count")) {
String optionArg = commandLine.getOptionValue("widget-count");
System.out.println("Received widget count of: " + optionArg);
}
} catch (ParseException e) {
System.err.println("Problem parsing args: " + e);
System.exit(1);
}
}
}
{code}
was (Author: ftclausen):
This standalone test program reproduces the issue for me:
{code:java}
import org.apache.commons.cli.*;
class CheckEmpty {
public static void main(String[] args) {
Option widgetCount = Option.builder()
.longOpt("widget-count")
.hasArg()
.required()
.build();
Options options = new Options();
options.addOption(widgetCount);
CommandLineParser parser = new DefaultParser();
CommandLine commandLine;
try {
commandLine = parser.parse(options, args);
if (commandLine.hasOption("widget-count")) {
String optionArg = commandLine.getOptionValue("widget-count");
System.out.println("Received widget count of: " + optionArg);
}
} catch (ParseException e) {
System.err.println("Problem parsing args: " + e);
System.exit(1);
}
}
}
{code}
> Required argument empty checking not working with equals specified long option
> ------------------------------------------------------------------------------
>
> Key: CLI-297
> URL: https://issues.apache.org/jira/browse/CLI-297
> Project: Commons CLI
> Issue Type: Bug
> Components: CLI-1.x
> Affects Versions: 1.4
> Environment: OS: macOS 10.14.6
> Java: Corretto-8.212.04.2 (build 1.8.0_212-b04)
> Reporter: Friedrich Clausen
> Priority: Minor
>
> When an option taking an argument is specified with a space the blank
> checking works:
> {code:none}
> $ CheckEmpty --widget-count
> org.apache.commons.cli.MissingOptionException: Missing required option:
> widget-count
> {code}
> However when using the equals sign as a separator that checking does not
> seem to apply
> {code:none}
> $ CheckEmpty --widget-count=
> Received widget count of:
> {code}
> I'd expect it to throw an exception just like the space separated variety.
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