VL-Programmieren/VL12/Aufgabe02/Aufgabe02.java

package VL12.Aufgabe02;

import java.io.IOException;
import java.io.StreamTokenizer;
import java.io.StringReader;
import java.nio.file.Files;
import java.nio.file.Paths;

/**
 * Vorlesung 12 - Ein- und Ausgabe - Aufgabe 2
 * @author Sebastian Brosch
 * @see https://gitea.hb.dhbw-stuttgart.de/sebastianbrosch/VL-Programmieren/src/branch/main/VL12/Aufgabe02
 */
public class Aufgabe02 {
  public static void main(String[] args) {
    try {
      int words = 0;
      int numbers = 0;

      StringReader stringReader = new StringReader(getInputString(getPathFromPackage() + "/input/input.txt"));
      StreamTokenizer streamTokenizer = new StreamTokenizer(stringReader);

      while(streamTokenizer.nextToken() != StreamTokenizer.TT_EOF) {
        switch(streamTokenizer.ttype) {
          case StreamTokenizer.TT_WORD:
            words++;
            System.out.printf("ZEICHENKETTE:\t%s\n", streamTokenizer.sval);
            break;
          case StreamTokenizer.TT_NUMBER:
            numbers++;
            System.out.printf("ZAHL:\t\t%.0f\n", streamTokenizer.nval);
            break;
        }
      }

      System.out.printf("Gelesene Zahlen: %d\n", numbers);
      System.out.printf("Gelesene Zeichenketten: %d\n", words);
      System.out.printf("Insgesamt gelesene Token: %d\n", (numbers + words));
    } catch (Throwable e) {;}
  }

  /**
   * Method to get the content of a file as a string.
   * @param inputPath The path of the file.
   * @return The content of the file or an empty string if the file is not available.
   */
  private static String getInputString(String inputPath) {
    try {
      return new String(Files.readString(Paths.get(inputPath)));
    } catch (IOException e) {
      e.printStackTrace();
      return "";
    }
  }

  /**
   * Method to get the relative path based on the package name.
   * @return The relative path of the package based on the package name.
   */
  private static String getPathFromPackage() {
    return Aufgabe02.class.getPackageName().replace(".", "/");
  }
}