public void init() {
   try {
     objectQueue = new ArrayBlockingQueue<>(SPOOLER_QUEUE_SIZE);
     spoolQueueMeter = context.createMeter("spoolQueue");
     pathMatcher = new AntPathMatcher(s3ConfigBean.s3Config.delimiter);
   } catch (Exception ex) {
     throw new RuntimeException(ex);
   }
 }
 private void handleException(Source.Context context, String messageId, Exception ex)
     throws StageException {
   switch (context.getOnErrorRecord()) {
     case DISCARD:
       break;
     case TO_ERROR:
       context.reportError(ParserErrors.PARSER_03, messageId, ex.toString(), ex);
       break;
     case STOP_PIPELINE:
       if (ex instanceof StageException) {
         throw (StageException) ex;
       } else {
         throw new StageException(ParserErrors.PARSER_03, messageId, ex.toString(), ex);
       }
     default:
       throw new IllegalStateException(
           Utils.format("Unknown on error value '{}'", context.getOnErrorRecord(), ex));
   }
 }
  public List<Stage.ConfigIssue> init(Source.Context context) {
    List<Stage.ConfigIssue> issues = new ArrayList<>();
    switch (dataFormat) {
      case JSON:
        if (dataFormatConfig.jsonMaxObjectLen < 1) {
          issues.add(
              context.createConfigIssue(
                  DataFormat.JSON.name(),
                  "dataFormatConfig.maxJsonObjectLen",
                  ParserErrors.PARSER_04));
        }
        break;
      case TEXT:
        if (dataFormatConfig.textMaxLineLen < 1) {
          issues.add(
              context.createConfigIssue(
                  DataFormat.TEXT.name(),
                  "dataFormatConfig.maxLogLineLength",
                  ParserErrors.PARSER_04));
        }
        break;
      case DELIMITED:
        if (dataFormatConfig.csvMaxObjectLen < 1) {
          issues.add(
              context.createConfigIssue(
                  DataFormat.DELIMITED.name(),
                  "dataFormatConfig.csvMaxObjectLen",
                  ParserErrors.PARSER_04));
        }
        break;
      case XML:
        if (messageConfig != null && messageConfig.produceSingleRecordPerMessage) {
          issues.add(
              context.createConfigIssue(
                  parentName,
                  "messageConfig.produceSingleRecordPerMessage",
                  ParserErrors.PARSER_06));
        }
        if (dataFormatConfig.xmlMaxObjectLen < 1) {
          issues.add(
              context.createConfigIssue(
                  DataFormat.XML.name(),
                  "dataFormatConfig.maxXmlObjectLen",
                  ParserErrors.PARSER_04));
        }
        if (dataFormatConfig.xmlRecordElement != null
            && !dataFormatConfig.xmlRecordElement.isEmpty()
            && !XMLChar.isValidName(dataFormatConfig.xmlRecordElement)) {
          issues.add(
              context.createConfigIssue(
                  DataFormat.XML.name(),
                  "dataFormatConfig.xmlRecordElement",
                  ParserErrors.PARSER_02,
                  dataFormatConfig.xmlRecordElement));
        }
        break;
      case SDC_JSON:
        break;
      case LOG:
        logDataFormatValidator =
            new LogDataFormatValidator(
                dataFormatConfig.logMode,
                dataFormatConfig.logMaxObjectLen,
                dataFormatConfig.retainOriginalLine,
                dataFormatConfig.customLogFormat,
                dataFormatConfig.regex,
                dataFormatConfig.grokPatternDefinition,
                dataFormatConfig.grokPattern,
                dataFormatConfig.enableLog4jCustomLogFormat,
                dataFormatConfig.log4jCustomLogFormat,
                dataFormatConfig.onParseError,
                dataFormatConfig.maxStackTraceLines,
                DataFormat.LOG.name(),
                getFieldPathToGroupMap(dataFormatConfig.fieldPathsToGroupName));
        logDataFormatValidator.validateLogFormatConfig(issues, context);
        break;
      case AVRO:
        if (!dataFormatConfig.schemaInMessage
            && (dataFormatConfig.avroSchema == null || dataFormatConfig.avroSchema.isEmpty())) {
          issues.add(
              context.createConfigIssue(
                  DataFormat.AVRO.name(),
                  "dataFormatConfig.avroSchema",
                  ParserErrors.PARSER_07,
                  dataFormatConfig.avroSchema));
        }
        break;
      default:
        issues.add(
            context.createConfigIssue(
                parentName, "dataFormat", ParserErrors.PARSER_05, dataFormat));
    }

    DataParserFactoryBuilder builder =
        new DataParserFactoryBuilder(context, dataFormat.getParserFormat())
            .setCharset(Charset.defaultCharset());
    if (dataFormatConfig.charset == null) {
      messageCharset = StandardCharsets.UTF_8;
    } else {
      try {
        messageCharset = Charset.forName(dataFormatConfig.charset);
      } catch (UnsupportedCharsetException ex) {
        // setting it to a valid one so the parser factory can be configured and tested for more
        // errors
        messageCharset = StandardCharsets.UTF_8;
        issues.add(
            context.createConfigIssue(
                parentName, "charset", ParserErrors.PARSER_01, dataFormatConfig.charset));
      }
    }
    builder.setCharset(messageCharset).setRemoveCtrlChars(dataFormatConfig.removeCtrlChars);

    switch (dataFormat) {
      case TEXT:
        builder.setMaxDataLen(dataFormatConfig.textMaxLineLen);
        break;
      case JSON:
        builder.setMode(dataFormatConfig.jsonContent);
        builder.setMaxDataLen(dataFormatConfig.jsonMaxObjectLen);
        break;
      case DELIMITED:
        builder
            .setMaxDataLen(dataFormatConfig.csvMaxObjectLen)
            .setMode(dataFormatConfig.csvFileFormat)
            .setMode(dataFormatConfig.csvHeader)
            .setMode(dataFormatConfig.csvRecordType)
            .setConfig(
                DelimitedDataParserFactory.DELIMITER_CONFIG, dataFormatConfig.csvCustomDelimiter)
            .setConfig(DelimitedDataParserFactory.ESCAPE_CONFIG, dataFormatConfig.csvCustomEscape)
            .setConfig(DelimitedDataParserFactory.QUOTE_CONFIG, dataFormatConfig.csvCustomQuote);
        break;
      case XML:
        builder.setMaxDataLen(dataFormatConfig.xmlMaxObjectLen);
        builder.setConfig(
            XmlDataParserFactory.RECORD_ELEMENT_KEY, dataFormatConfig.xmlRecordElement);
        break;
      case SDC_JSON:
        builder.setMaxDataLen(-1);
        break;
      case LOG:
        logDataFormatValidator.populateBuilder(builder);
        break;
      case AVRO:
        builder
            .setMaxDataLen(Integer.MAX_VALUE)
            .setConfig(AvroDataParserFactory.SCHEMA_KEY, dataFormatConfig.avroSchema)
            .setConfig(
                AvroDataParserFactory.SCHEMA_IN_MESSAGE_KEY, dataFormatConfig.schemaInMessage);
        break;
      default:
        throw new IllegalStateException("Unknown data format: " + dataFormat);
    }
    parserFactory = builder.build();
    return issues;
  }