private String key()

in web/src/main/java/org/apache/commons/chain2/web/servlet/ServletHeaderValuesMap.java [178:186]

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

    private String key(Object key) {
        if (key == null) {
            throw new IllegalArgumentException();
        } else if (key instanceof String) {
            return ((String) key);
        } else {
            return (key.toString());
        }
    }