OAuthPortletFilter.java 文件源码

@Override
public void init(FilterConfig filterConfig) throws PortletException {
    this.filterConfig = filterConfig;

    String accessTokenValidation = filterConfig.getInitParameter(INIT_PARAM_ACCESS_TOKEN_VALIDATION);
    if (AccessTokenValidation.ALWAYS.name().equals(accessTokenValidation)) {
        this.accessTokenValidation = AccessTokenValidation.ALWAYS;
    } else if (AccessTokenValidation.SKIP.name().equals(accessTokenValidation)) {
        this.accessTokenValidation = AccessTokenValidation.SKIP;
    } else {
        // SESSION is default validation type
        this.accessTokenValidation = AccessTokenValidation.SESSION;
    }

    this.oauthProviderKey = filterConfig.getInitParameter(INIT_PARAM_OAUTH_PROVIDER_KEY);
    if (oauthProviderKey == null) {
        throw new PortletException("Init parameter '" + INIT_PARAM_OAUTH_PROVIDER_KEY + "' needs to be provided");
    }
}