import java.io.File;

import java.io.IOException;

public class EmployeeDataView implements FileFunctions {

@Override

public void createFileBaseHTML() throws IOException {

// Not implemented

}

public void listUserdataFiles() {

System.out.println("\nList of Employee IDs EXIST\n");

File userdataDir = new File("userdata");

if (userdataDir.exists() && userdataDir.isDirectory()) {

String[] fileList = userdataDir.list();

if (fileList != null) {

for (String fileName : fileList) {

int startIndex = fileName.indexOf("employee") + "employee".length();

int endIndex = fileName.indexOf(".html");

if (endIndex != -1 && startIndex < endIndex) {

String extractedWord = fileName.substring(startIndex, endIndex);

System.out.println(" - " + extractedWord);

}

}

} else {

System.out.println("The directory is empty.");

}

} else {

System.out.println("The directory does not exist.");

}

}

@Override

public void removeFile(String id) throws IOException {

// Not implemented

}

@Override

public void viewFile(String id) throws IOException {

// Not implemented

}

@Override

public void updateFile(String id, String oldData, String newData) throws IOException {

// Not implemented

}

}