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.Option;
8 import eu.svjatoslav.commons.cli_helper.parameter_parser.ParameterCount;
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.ONE_OR_MORE);
25 public String describeFormat() {
26 switch (existenceType) {
28 return "One to many existing files.";
30 return "One to many non-existing files.";
32 return "One to many files.";
37 public List<File> getValue() {
38 return parameters.stream().map(File::new).collect(Collectors.toList());
41 public FileOptions mustExist() {
42 existenceType = ExistenceType.MUST_EXIST;
46 public FileOptions mustNotExist() {
47 existenceType = ExistenceType.MUST_NOT_EXIST;
52 public boolean isValid(final String value) {
53 return validateFile(existenceType, value);