Method init

java/org/apache/catalina/filters/FilterBase.java:63–77

Iterates over the configuration parameters and either logs a warning, or throws an exception for any parameter that does not have a matching setter in this filter. @param filterConfig The configuration information associated with the filter instance being initialised @throws ServletException if {@

(FilterConfig filterConfig)

     *                              not have a matching setter
     */
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        Enumeration<String> paramNames = filterConfig.getInitParameterNames();
        while (paramNames.hasMoreElements()) {
            String paramName = paramNames.nextElement();
            if (!IntrospectionUtils.setProperty(this, paramName, filterConfig.getInitParameter(paramName))) {
                String msg = sm.getString("filterbase.noSuchProperty", paramName, this.getClass().getName());
                if (isConfigProblemFatal()) {
                    throw new ServletException(msg);
                } else {
                    getLogger().warn(msg);
                }
            }
        }
    }

    /**
     * Determines if an exception when calling a setter or an unknown configuration attribute triggers the failure of