use of org.apache.commons.beanutils.converters.DateConverter in project apex-malhar by apache.
the class RegexParser method processTuple.
@Override
public void processTuple(byte[] tuple) {
if (tuple == null) {
if (err.isConnected()) {
err.emit(new KeyValPair<String, String>(null, "Blank/null tuple"));
}
errorTupleCount++;
return;
}
String incomingString = new String(tuple);
if (StringUtils.isBlank(incomingString)) {
if (err.isConnected()) {
err.emit(new KeyValPair<String, String>(incomingString, "Blank tuple"));
}
errorTupleCount++;
return;
}
try {
if (out.isConnected() && clazz != null) {
Matcher matcher = pattern.matcher(incomingString);
boolean patternMatched = false;
Constructor<?> ctor = clazz.getConstructor();
Object object = ctor.newInstance();
if (matcher.find()) {
for (int i = 0; i <= matcher.groupCount() - 1; i++) {
if (delimitedParserSchema.getFields().get(i).getType() == DelimitedSchema.FieldType.DATE) {
DateTimeConverter dtConverter = new DateConverter();
dtConverter.setPattern((String) delimitedParserSchema.getFields().get(i).getConstraints().get(DelimitedSchema.DATE_FORMAT));
ConvertUtils.register(dtConverter, Date.class);
}
BeanUtils.setProperty(object, delimitedParserSchema.getFields().get(i).getName(), matcher.group(i + 1));
}
patternMatched = true;
}
if (!patternMatched) {
throw new ConversionException("The incoming tuple do not match with the Regex pattern defined.");
}
out.emit(object);
emittedObjectCount++;
}
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException | InstantiationException | ConversionException e) {
if (err.isConnected()) {
err.emit(new KeyValPair<String, String>(incomingString, e.getMessage()));
logger.debug("Regex Expression : {} Incoming tuple : {}", splitRegexPattern, incomingString);
}
errorTupleCount++;
logger.error("Tuple could not be parsed. Reason {}", e.getMessage());
}
}
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