public static Map filterEnvironmentTags()

in core/src/main/java/com/spotify/metrics/tags/EnvironmentTagExtractor.java [69:80]

• 10 lines of code
• 3 McCabe index (conditional complexity)

    public static Map<String, String> filterEnvironmentTags(final Map<String, String> env) {
        final Map<String, String> tags = new HashMap<>();

        for (final Map.Entry<String, String> e : env.entrySet()) {
            if (e.getKey().startsWith(FFWD_TAG_PREFIX)) {
                final String tag = e.getKey().substring(FFWD_TAG_PREFIX.length());
                tags.put(tag.toLowerCase(), e.getValue());
            }
        }

        return tags;
    }