Method toMap

src/main/java/net/freeutils/httpserver/HTTPServer.java:2384–2393

Converts a collection of pairs of objects (arrays of size two, each representing a key and corresponding value) into a Map. Duplicate keys are ignored (only the first occurrence of each key is considered). The map retains the original collection's iteration order. @param pairs a collection of array

(Collection<? extends Object[]> pairs)

     * @return a map containing the paired keys and values, or an empty map
     */
    @SuppressWarnings("unchecked")
    public static <K, V> Map<K, V> toMap(Collection<? extends Object[]> pairs) {
        if (pairs == null || pairs.isEmpty())
            return Collections.emptyMap();
        Map<K, V> map = new LinkedHashMap<K, V>(pairs.size());
        for (Object[] pair : pairs)
            if (!map.containsKey(pair[0]))
                map.put((K)pair[0], (V)pair[1]);
        return map;
    }

    /**
     * Returns the absolute (zero-based) content range value specified