public Set keySet()

in src/main/java/org/apache/commons/logging/impl/WeakHashtable.java [371:383]

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

    public Set keySet() {
        purge();
        final Set referencedKeys = super.keySet();
        final Set unreferencedKeys = new HashSet();
        for (final Object referencedKey : referencedKeys) {
            final Referenced referenceKey = (Referenced) referencedKey;
            final Object keyValue = referenceKey.getValue();
            if (keyValue != null) {
                unreferencedKeys.add(keyValue);
            }
        }
        return unreferencedKeys;
    }