Review

class PdfStamper {
    /** Flags the content to be automatically adjusted to compensate
     * the original page rotation. The default is <CODE>true</CODE>.
     * @param rotateContents <CODE>true</CODE> to set auto-rotation, <CODE>false</CODE>
     * otherwise
     */
    public void setRotateContents(final boolean rotateContents) {
        stamper.setRotateContents(rotateContents);
    }

}