this.authCodeExpires = Long.valueOf(props.getProperty("shindig.oauth2.authCodeExpiration"));
this.accessTokenExpires = Long.valueOf(props.getProperty("shindig.oauth2.accessTokenExpiration"));
// TODO (Matt): validators should be injected
authCodeValidator = new AuthorizationCodeRequestValidator(store);
accessTokenValidator = new AccessTokenRequestValidator(store);
resourceReqValidator = new DefaultResourceRequestValidator(store);
}