Java Code Examples for org.apache.commons.beanutils.converters.DateTimeConverter

The following examples show how to use org.apache.commons.beanutils.converters.DateTimeConverter. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: attic-apex-malhar   Source File: RegexParser.java    License: Apache License 2.0 4 votes vote down vote up
@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());
  }
}