find list of files and size for given windows path in java : useful to upload in shared folder location to save space in pc
import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.List;
public class FileLister {
public static void main(String[] args) {
String path = "C:\\Your\\Windows\\Path"; // Replace with the desired Windows path
try {
List<FileInformation> fileInformationList = listFilesAndSizes(path);
for (FileInformation fileInfo : fileInformationList) {
System.out.println(fileInfo);
}
} catch (IOException e) {
e.printStackTrace();
}
}
static List<FileInformation> listFilesAndSizes(String path) throws IOException {
List<FileInformation> fileInformationList = new ArrayList<>();
Files.walkFileTree(Paths.get(path), new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
String fileName = file.toString();
long fileSize = attrs.size();
fileInformationList.add(new FileInformation(fileName, fileSize));
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
// Handle file visit failure here
return FileVisitResult.CONTINUE;
}
});
return fileInformationList;
}
static class FileInformation {
private final String fileName;
private final long fileSize;
public FileInformation(String fileName, long fileSize) {
this.fileName = fileName;
this.fileSize = fileSize;
}
@Override
public String toString() {
return "File: " + fileName + " - Size: " + fileSize + " bytes";
}
}
}
------------
import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
public class FileLister {
public static void main(String[] args) {
String path = "C:\\Your\\Windows\\Path"; // Replace with the desired Windows path
try {
List<FileInformation> fileInformationList = listFilesAndSizes(path);
fileInformationList.sort(Comparator.comparingLong(FileInformation::getFileSize).reversed()); // Sort in descending order
for (FileInformation fileInfo : fileInformationList) {
System.out.println(fileInfo);
}
} catch (IOException e) {
e.printStackTrace();
}
}
static List<FileInformation> listFilesAndSizes(String path) throws IOException {
List<FileInformation> fileInformationList = new ArrayList<>();
Files.walkFileTree(Paths.get(path), new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
String fileName = file.toString();
long fileSize = attrs.size();
fileInformationList.add(new FileInformation(fileName, fileSize));
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
// Handle file visit failure here
return FileVisitResult.CONTINUE;
}
});
return fileInformationList;
}
static class FileInformation {
private final String fileName;
private final long fileSize;
public FileInformation(String fileName, long fileSize) {
this.fileName = fileName;
this.fileSize = fileSize;
}
public long getFileSize() {
return fileSize;
}
@Override
public String toString() {
return "File: " + fileName + " - Size: " + fileSize + " bytes";
}
}
}
