protected void setup(Context context) throws IOException, InterruptedException {
urlNormalizers = new URLNormalizers(context.getConfiguration(),
URLNormalizers.SCOPE_INJECT);
interval = context.getConfiguration().getInt("db.fetch.interval.default",
2592000);
filters = new URLFilters(context.getConfiguration());
scfilters = new ScoringFilters(context.getConfiguration());
scoreInjected = context.getConfiguration().getFloat("db.score.injected",
1.0f);
curTime = context.getConfiguration().getLong("injector.current.time",
System.currentTimeMillis());