Review

class ToStringBuilder {
    /**
     * <p>Append to the <code>toString</code> a <code>char</code>
     * array.</p>
     *
     * <p>A boolean parameter controls the level of detail to show.
     * Setting <code>true</code> will output the array in full. Setting
     * <code>false</code> will output a summary, typically the size of
     * the array.</p>
     *
     * @param fieldName  the field name
     * @param array  the array to add to the <code>toString</code>
     * @param fullDetail  <code>true</code> for detail, <code>false</code>
     *  for summary info
     * @return this
     */
    public ToStringBuilder append(String fieldName, char[] array, boolean fullDetail) {
        style.append(buffer, fieldName, array, BooleanUtils.toBooleanObject(fullDetail));
        return this;
    }

}