code: public XcapResponse put(URI uri, String mimetype, String content,
  			Header[] additionalRequestHeaders, Credentials credentials)
  			throws IOException {
  		checkState();
  		return ra.getClient().put(uri, mimetype, content,
  				additionalRequestHeaders, credentials);
  	}
docs: /*
  (non-Javadoc)
  
  @see XcapClient#put(java.net.URI,
  java.lang.String, java.lang.String,
  Header[],
  Credentials)