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  1. package com.epam.automation.input.main;
  2.  
  3. import java.io.File;
  4. import java.io.FileNotFoundException;
  5. import java.io.PrintWriter;
  6.  
  7. public class Program {
  8.     public static void main(String[] args) throws FileNotFoundException {
  9.         String path = "d:/Java/collections/collections/src/main/java/com/epam/automation/input/main";
  10.         File file = new File(path);
  11.         File fileForPrint = new File("d:/Java/collections/collections/src/main/java/com/epam/automation/input/main/structureFile");
  12.         PrintWriter pw = new PrintWriter(fileForPrint);
  13.         if (file.exists()) {
  14.             if (file.isDirectory()) {
  15.                 pw.println(file.getName());
  16.                 writeStructure(file, pw, 0);
  17.             }
  18.             else {
  19.                
  20.             }
  21.         }
  22.         pw.close();
  23.     }
  24.  
  25.     public static void writeStructure(File file, PrintWriter pw, int level) {
  26.         File[] structure = file.listFiles();
  27.         StringBuilder sb = new StringBuilder();
  28.         String spaces = addSpaces(level, sb).toString();
  29.         for (int i = 0; i < structure.length; i++) {
  30.             if (structure[i].isDirectory()) {
  31.                 pw.println(spaces + "|---" + structure[i].getName());
  32.                 writeStructure(structure[i], pw, level + 1);
  33.             } else {
  34.                 pw.println(spaces  + "|   " + sb + structure[i].getName());
  35.             }
  36.         }
  37.     }
  38.  
  39.     public static StringBuilder addSpaces(int level, StringBuilder sb) {
  40.         for (int i = 0; i < level * 4; i++) {
  41.             sb.append(" ");
  42.         }
  43.         return sb;
  44.     }
  45.     public static void readFile () {
  46.  
  47.     }
  48. }
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