@Override
public void validate(ValidatorContext context) {
DataElement element = context.dataElement();
DataSchema schema = element.getSchema();
if (schema != null) {
validateSchema(context, schema);
}
DataElement parentElement = element.getParent();
if (parentElement != null) {
DataSchema parentSchema = parentElement.getSchema();
// check if the value belongs to a field in a record
// if it belongs to a field, check if the field has
// validators.
if (parentSchema != null && parentSchema.getType() == DataSchema.Type.RECORD) {
Object name = element.getName();
if (name.getClass() == String.class) {
RecordDataSchema recordDataSchema = (RecordDataSchema) parentSchema;
RecordDataSchema.Field field = recordDataSchema.getField((String) name);
if (field != null) {
getAndInvokeValidatorList(context, field);
}
}
}
}
}
private void getAndInvokeValidatorList(ValidatorContext ctx, Object key) {
List<Validator> validatorList = _cache.get(key);
if (validatorList == null) {
// this means schema or field to be validated has not been cached.
ctx.addResult(
new Message(
ctx.dataElement().path(),
"validation skipped, %1$s have not been initialized for use by %2$s",
key,
getClass().getSimpleName()));
} else if (validatorList != NO_VALIDATORS) {
for (Validator validator : validatorList) {
if (_debugMode) {
ctx.addResult(
new Message(ctx.dataElement().path(), false, "validating with %1$s", validator));
}
validator.validate(ctx);
}
}
}
