if (data != null) {
fieldInfo.append("required:").append(data.required())
.append(",ignore:").append(data.ignore())
.append(",encrypted:").append(data.encrypted())
.append(",trim:").append(data.trim());
if (data.on() != null) {
fieldInfo.append(",on:[");
Iterator<String> it = data.on().iterator();
while (it.hasNext()) {