Here you can find the source of getFileNames(List
| Parameter | Description |
|---|---|
| ext | The file extension to look for, e.g. '.g4'. |
| recursive | If the folder should be recursively traversed. |
public static List<String> getFileNames(List<String> fileNames, Path dir, String ext, boolean recursive)
//package com.java2s;
//License from project: Open Source License
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
public class Main {
/**//from ww w .j av a 2s .c om
* Gets all files in target directory, with the given file extension. Returns an empty array list if nothing is
* found or if an {@link IOException} occurs.
*
* @param ext The file extension to look for, e.g. '.g4'.
* @param recursive If the folder should be recursively traversed.
* @return List of full file names.
*/
public static List<String> getFileNames(List<String> fileNames, Path dir, String ext, boolean recursive) {
try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
// Iterate over paths
stream.forEach(p -> {
if (p.toFile().isDirectory() && recursive) { // Directory
getFileNames(fileNames, p, ext, true);
} else { // File
String fileName = p.toAbsolutePath().toString();
if (fileName.endsWith(ext))
fileNames.add(fileName);
}
});
} catch (IOException e) {
return new ArrayList<>();
}
return fileNames;
}
}