public void writeValue()

in log4j-layout-template-json/src/main/java/org/apache/logging/log4j/layout/template/json/util/JsonWriter.java [145:226]
68 lines of code
20 McCabe index (conditional complexity)

    public void writeValue(final Object value) {

        // null
        if (value == null) {
            writeNull();
        }

        // map
        else if (value instanceof IndexedReadOnlyStringMap) {
            final IndexedReadOnlyStringMap map = (IndexedReadOnlyStringMap) value;
            writeObject(map);
        } else if (value instanceof StringMap) {
            final StringMap map = (StringMap) value;
            writeObject(map);
        } else if (value instanceof Map) {
            @SuppressWarnings("unchecked")
            final Map<String, Object> map = (Map<String, Object>) value;
            writeObject(map);
        }

        // list & collection
        else if (value instanceof List) {
            @SuppressWarnings("unchecked")
            final List<Object> list = (List<Object>) value;
            writeArray(list);
        } else if (value instanceof Collection) {
            @SuppressWarnings("unchecked")
            final Collection<Object> collection = (Collection<Object>) value;
            writeArray(collection);
        }

        // number & boolean
        else if (value instanceof Number) {
            final Number number = (Number) value;
            writeNumber(number);
        } else if (value instanceof Boolean) {
            final boolean booleanValue = (boolean) value;
            writeBoolean(booleanValue);
        }

        // formattable
        else if (value instanceof StringBuilderFormattable) {
            final StringBuilderFormattable formattable = (StringBuilderFormattable) value;
            writeString(formattable);
        }

        // arrays
        else if (value instanceof char[]) {
            final char[] charValues = (char[]) value;
            writeArray(charValues);
        } else if (value instanceof boolean[]) {
            final boolean[] booleanValues = (boolean[]) value;
            writeArray(booleanValues);
        } else if (value instanceof byte[]) {
            final byte[] byteValues = (byte[]) value;
            writeArray(byteValues);
        } else if (value instanceof short[]) {
            final short[] shortValues = (short[]) value;
            writeArray(shortValues);
        } else if (value instanceof int[]) {
            final int[] intValues = (int[]) value;
            writeArray(intValues);
        } else if (value instanceof long[]) {
            final long[] longValues = (long[]) value;
            writeArray(longValues);
        } else if (value instanceof float[]) {
            final float[] floatValues = (float[]) value;
            writeArray(floatValues);
        } else if (value instanceof double[]) {
            final double[] doubleValues = (double[]) value;
            writeArray(doubleValues);
        } else if (value instanceof Object[]) {
            final Object[] values = (Object[]) value;
            writeArray(values);
        }

        // string
        else {
            final String stringValue = value instanceof String ? (String) value : String.valueOf(value);
            writeString(stringValue);
        }
    }