Disable copy paste function in a h:inputTextarea tag JSF(2.0)

One of my clients d开发者_运维问答o not want other sites to copy paste the content of a concrete textArea. Currently i have an inputTextArea as readonly="true", but i still need to disable the copy & paste function. Any ideas?

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Make your JSF code to produce following HTML, note oncopy & onpaste

<textarea oncopy="return false;" onpaste="return false;">

Or enclose your components for which you want to disable copy & paste within following div

<div oncopy="return false;" onpaste="return false;">
    <!-------Your component should go here ----> 
</div>