// Configure initializes this filter with values from a plugin config.
func (filter *JSON) Configure(conf core.PluginConfig) error {
rejectValues := conf.GetStringMap("FilterReject", make(map[string]string))
acceptValues := conf.GetStringMap("FilterAccept", make(map[string]string))
// Compile regexp from map[string]string to map[string]*regexp.Regexp
filter.rejectValues = make(map[string]*regexp.Regexp)
filter.acceptValues = make(map[string]*regexp.Regexp)
for key, val := range rejectValues {
exp, err := regexp.Compile(val)
if err != nil {
return err
}
filter.rejectValues[key] = exp
}
for key, val := range acceptValues {
exp, err := regexp.Compile(val)
if err != nil {
return err
}
filter.acceptValues[key] = exp
}
return nil
}