private static void verbosePrintInternal()

in src/main/java/org/apache/commons/collections4/MapUtils.java [1960:2014]
47 lines of code
13 McCabe index (conditional complexity)

    private static void verbosePrintInternal(final PrintStream out, final Object label, final Map<?, ?> map,
            final Deque<Map<?, ?>> lineage, final boolean debug) {
        printIndent(out, lineage.size());

        if (map == null) {
            if (label != null) {
                out.print(label);
                out.print(" = ");
            }
            out.println("null");
            return;
        }
        if (label != null) {
            out.print(label);
            out.println(" = ");
        }

        printIndent(out, lineage.size());
        out.println("{");

        lineage.addLast(map);

        for (final Map.Entry<?, ?> entry : map.entrySet()) {
            final Object childKey = entry.getKey();
            final Object childValue = entry.getValue();
            if (childValue instanceof Map && !lineage.contains(childValue)) {
                verbosePrintInternal(out, childKey == null ? "null" : childKey, (Map<?, ?>) childValue, lineage, debug);
            } else {
                printIndent(out, lineage.size());
                out.print(childKey);
                out.print(" = ");

                final int lineageIndex = IterableUtils.indexOf(lineage, PredicateUtils.equalPredicate(childValue));
                if (lineageIndex == -1) {
                    out.print(childValue);
                } else if (lineage.size() - 1 == lineageIndex) {
                    out.print("(this Map)");
                } else {
                    out.print("(ancestor[" + (lineage.size() - 1 - lineageIndex - 1) + "] Map)");
                }

                if (debug && childValue != null) {
                    out.print(' ');
                    out.println(childValue.getClass().getName());
                } else {
                    out.println();
                }
            }
        }

        lineage.removeLast();

        printIndent(out, lineage.size());
        out.println(debug ? "} " + map.getClass().getName() : "}");
    }