static {
InputStream inputStream = null;
try {
inputStream = FileUtils.openInputStream(new File(Database.DICTIONARY));
for (String word : IOUtils.readLines(inputStream, "UTF-8")) {
WORDS.add(org.apache.commons.lang3.StringUtils.capitalize(word));
}
} catch (IOException e) {
e.printStackTrace();
} finally {
IOUtils.closeQuietly(inputStream);
}
}
/**
* Method use OpenCsv Library for
*
* @param clazz the Class of the Bean.
* @param fileInputCsv the File CSV to parse.
* @param separator the char separator.
* @param <T> the generic variable.
* @return the List of Bean parsed from the CSV file.
*/
public static <T> List<T> parseCSVFileAsList(Class<T> clazz, File fileInputCsv, char separator) {
try {
List<T> beans;
try ( // create CSVReader object
CSVReader reader = new CSVReader(new FileReader(fileInputCsv), separator)) {
beans = new ArrayList<>();
// read line by line
String[] record;
// skip header row
String[] headers = reader.readNext();
// read content
while ((record = reader.readNext()) != null) {
T t = ReflectionUtilities.invokeConstructor(clazz);
for (int i = 0; i < record.length; i++) {
String nameMethod = "set" + org.apache.commons.lang3.StringUtils.capitalize(headers[i]);
// invoke setter method
if (ReflectionUtilities.checkMethod(clazz, nameMethod)) {
ReflectionUtilities.invokeSetter(t, nameMethod, record[i]);
} else {
logger.warn(
"Not exists the Method with name:"
+ nameMethod
+ " on the Bean:"
+ t.getClass().getName());
}
}
beans.add(t);
}
}
return beans;
} catch (IOException e) {
logger.error(
"Can't parse the CSV file:" + fileInputCsv.getAbsolutePath() + " -> " + e.getMessage(),
e);
return new ArrayList<>();
}
}
