* @return The string representation, never <code>null</code>.
     */
    private String toString(Object obj) {
        String str;
        if (obj != null && obj.getClass().isArray()) {
            int n = Array.getLength(obj);
            StringBuilder buf = new StringBuilder(256);
            buf.append('[');
            for (int i = 0; i < n; i++) {
                if (i > 0) {
                    buf.append(", ");
                }

    @Override
    public Object getBaseValue() {
        return node;
    }

    @Override
    public Object getImmediateNode() {
        return node;
    }

    @Override
    public int getLength() {
        return 1;
    }

    @Override
    public QName getName() {
        return new QName(null, node.getName());
    }

    @Override
    public boolean isCollection() {

    @Override
    public Object getBaseValue() {
        return attrib;
    }

    @Override
    public Object getImmediateNode() {
        return attrib;
    }

    @Override
    public int getLength() {
        return 1;
    }

    @Override
    public QName getName() {
        return new QName(null, attrib.getKey());
    }

    @Override
    public boolean isActual() {
        return true;

            //            }

            return !"parent".equals(field.getName());
        }

        private void evaluateArray(Object target) throws ModelInterpolationException {
            int len = Array.getLength(target);
            for (int i = 0; i < len; i++) {
                Object value = Array.get(target, i);
                if (value != null) {
                    if (String.class == value.getClass()) {

    }

    /**
     * Set the buffer length.
     *
     * @param length the new length
     * @return the current builder
     */
    MessageBuilder setLength(int length);

    /**
     * Return the built message.
     *
     * @return the message
     */
    @Nonnull
    String build();

        return this;
    }

    @Override
    public MessageBuilder append(char c) {
        buffer.append(c);
        return this;
    }

    @Override
    public MessageBuilder setLength(int length) {
        buffer.setLength(length);
        return this;
    }

    @Override
    @Nonnull
    public String build() {
        return buffer.toString();
    }

    @Override
    public String toString() {

        return this;
    }

    @Override
    public MessageBuilder append(char c) {
        buffer.append(c);
        return this;
    }

    @Override
    public MessageBuilder setLength(int length) {
        buffer.setLength(length);
        return this;
    }

    @Override
    @Nonnull
    public String build() {
        return buffer.toString();
    }

    @Override
    public String toString() {

                if (pathStartsWithSlash) {
                    if (initialUrlEndsWithSlash) {
                        // 1 extra '/' to remove
                        url.setLength(url.length() - 1);
                    }
                } else if (!initialUrlEndsWithSlash) {
                    // add missing '/' between url and path
                    url.append('/');
                }