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FileOperator.java
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import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
public class FileOperator {
private Console cons;
private char[] illegalchars = {92, 47, 58, 63, 42, 34, 60, 62, 124};
private String illegalcharsstring = "\\ / : ? * \" < > |";
public FileOperator(Console con) {
this.cons = con;
}
public void list(String path){
File path1 = new File(path);
if(path1.exists() && path1.isDirectory()){
String[] lista = path1.list();
if(lista.length == 0){
cons.sendMessage("Folder is empty.");
} else {
for (String s : lista) {
cons.sendMessage(s);
}
}
} else {
cons.sendMessage("Wrong path entered!");
}
}
public void info(String path){
File path1 = new File(path);
if(path1.exists()){
cons.sendMessage("Name: " + path1.getName());
cons.sendMessage("Absolute path: " + path1.getAbsolutePath());
cons.sendMessage("Relative path: " + path1.getPath());
cons.sendMessage("Size: " + path1.length());
Path p = Paths.get(path);
try {
BasicFileAttributes bfa = Files.readAttributes(p, BasicFileAttributes.class);
cons.sendMessage("Created: " + time(bfa.creationTime().toMillis()));
} catch (IOException ex) {
cons.sendMessage(ex.toString());
}
cons.sendMessage("Last Modified: " + time(path1.lastModified()));
} else {
cons.sendMessage("Wrong path entered!");
}
}
public String time(long l){
Instant instant = Instant.ofEpochMilli(l);
LocalDateTime dateTime = LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("dd. MMMM yyyy. HH:mm:ss");
return dateTime.format(dateTimeFormatter);
}
public void createDir(String path){
File folder = new File(path);
String s = folder.getName();
boolean illegalChar = checkForIllegalChars(s);
try {
if(!folder.exists()){
if(illegalChar){
cons.sendMessage("A file name can't contain any of the following characters: ");
cons.sendMessage(illegalcharsstring);
} else {
makeDir(folder.getParentFile().exists(), folder);
cons.sendMessage("Created a folder called " + folder.getName());
}
} else {
cons.sendMessage("Folder called " + folder.getName() + " already exists.");
}
} catch (Exception e) {
cons.sendMessage("Couldn't create a folder called " + folder.getName());
}
}
private boolean checkForIllegalChars(String s) {
for (char kh : illegalchars) {
if (s.indexOf(kh) >= 0) {
return true;
}
}
return false;
}
public void rename(String of, String nf) {
File oldFile = new File(of);
String[] strings = of.split("\\\\+");
int n = strings.length;
strings[n-1] = nf;
StringBuilder sb = new StringBuilder();
sb.append(strings[0]);
sb.append("\\");
for(int i = 1; i <strings.length; i++){
sb.append("\\");
sb.append(strings[i]);
}
File newFile = new File(sb.toString());
if(newFile.exists()){
cons.sendMessage("File with desired name already exists!");
return;
}
if(oldFile.renameTo(newFile)){
cons.sendMessage("Rename succesful.");
} else {
cons.sendMessage("Rename failed!");
}
}
public void copyCut(File f1, File f2, String c){
try (FileInputStream inStream = new FileInputStream(f1);
FileOutputStream outStream = new FileOutputStream(f1);) {
byte[] buffer = new byte[1024];
int length;
while ((length = inStream.read(buffer)) > 0) {
outStream.write(buffer, 0, length);
}
inStream.close();
outStream.close();
if("move".equals(c)){
f1.delete();
cons.sendMessage("Moving is successfuly finished.");
} else {
cons.sendMessage("Copying is successfuly finished.");
}
} catch (IOException e) {
if("move".equals(c)){
cons.sendMessage("Moving failed!");
} else {
cons.sendMessage("Copying failed!");
}
}
}
public void delete(String path){
File file = new File(path);
if(file.exists()){
if(file.isFile()){
file.delete();
cons.sendMessage("File successfully deleted!");
} else {
deleteDir(file);
cons.sendMessage("Folder successfully deleted!");
}
} else {
cons.sendMessage("Cannot delete " + file.getName() + " because " + file.getName() + " does not exist on this path.");
}
}
public void deleteDir(File f){
File[] files = f.listFiles();
if(files != null){
for(File f1 : files){
deleteDir(f1);
}
}
f.delete();
}
public void copyCutDir(File f1, File f2, String c) {
if(!f2.exists()){
f2.mkdir();
}
String fs[] = f1.list();
for (String f : fs) {
copyCutDir(new File(f1, f), new File(f2, f), c);
}
if("move".equals(c)){
deleteDir(f1);
}
}
public void makeDir(boolean b, File f){
if(b){
f.mkdir();
} else {
f.mkdirs();
}
}
}