@Override
public void execute(FetchedPage page) {
try {
if (isFirstPage) {
// Create new file and add headers
Files.createFile(destination);
fileWriter =
Files.newBufferedWriter(destination, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
mapWriter = new CsvMapWriter(fileWriter, csvformat);
mapWriter.writeHeader(getHeaders(page).split(","));
doWrite(page);
isFirstPage = false;
} else {
fileWriter =
Files.newBufferedWriter(destination, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
mapWriter = new CsvMapWriter(fileWriter, csvformat);
doWrite(page);
}
} catch (Exception e) {
logger.info("Exception while writing CSV file", e);
throw new FatalError("CSV file can not be created.");
} finally {
if (mapWriter != null) {
try {
mapWriter.close();
} catch (IOException e) {
logger.debug("Exception while closing resources used for csv", e);
}
}
if (fileWriter != null) {
try {
fileWriter.close();
} catch (IOException e) {
logger.debug("Exception while closing resources used for csv", e);
}
}
}
}
