public ListBoxModel doFillRegionItems()

in src/main/java/com/amazon/jenkins/ec2fleet/EC2FleetCloud.java [722:746]

• 19 lines of code
• 5 McCabe index (conditional complexity)

        public ListBoxModel doFillRegionItems(@QueryParameter final String awsCredentialsId) {
            // to keep user consistent order tree set
            final Set<String> regionNames = new TreeSet<>();

            try {
                final AmazonEC2 client = Registry.getEc2Api().connect(awsCredentialsId, null, null);
                final DescribeRegionsResult regions = client.describeRegions();
                for (final Region region : regions.getRegions()) {
                    regionNames.add(region.getRegionName());
                }
            } catch (final Exception ex) {
                // ignore exception it could be case that credentials are not belong to default region
                // which we are using to describe regions
            }

            for (final com.amazonaws.regions.Region region : RegionUtils.getRegions()) {
                regionNames.add(region.getName());
            }

            final ListBoxModel model = new ListBoxModel();
            for (final String regionName : regionNames) {
                model.add(new ListBoxModel.Option(regionName, regionName));
            }
            return model;
        }