2 * Svjatoslav Commons - shared library of common functionality. Author: Svjatoslav Agejenko.
3 * This project is released under Creative Commons Zero (CC0) license.
5 package eu.svjatoslav.commons.cli_helper.parameter_parser.parameter;
7 import eu.svjatoslav.commons.cli_helper.parameter_parser.ParameterCount;
8 import eu.svjatoslav.commons.cli_helper.parameter_parser.Option;
11 import java.util.List;
12 import java.util.stream.Collectors;
14 import static eu.svjatoslav.commons.cli_helper.parameter_parser.parameter.FileOption.validateFile;
16 public class FileOptions extends Option<List<File>, FileOptions> {
18 private ExistenceType existenceType = ExistenceType.DOES_NOT_MATTER;
20 public FileOptions(final String description) {
21 super(description, ParameterCount.MULTI);
25 public String describeFormat() {
26 return existenceType.description + " files";
30 public List<File> getValue() {
31 return parameters.stream().map(File::new).collect(Collectors.toList());
34 public FileOptions mustExist() {
35 existenceType = ExistenceType.MUST_EXIST;
39 public FileOptions mustNotExist() {
40 existenceType = ExistenceType.MUST_NOT_EXIST;
45 public boolean isValid(final String value) {
46 return validateFile(existenceType, value);