code: @Override
  	public String getCustomCacheKeyFromJwtSSOToken(String encodedjwt) {
  		// TODO Auto-generated method stub
  		JwtSsoTokenUtils tokenUtil = getSimpleJwtSsoTokenUtils();
  		if (encodedjwt != null) {
  			return tokenUtil.getCustomCacheKeyFromToken(encodedjwt);
  		}
  		return null;
  	}
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.security.jwt.sso.token.utils.JwtSSOToken#
  getCustomCacheKeyFromJwtSSOToken(java.lang.String)