uni

University stuff
git clone git://git.margiolis.net/uni.git
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Main.java (1405B)


      1 import java.io.*;
      2 import java.util.ArrayList;
      3 
      4 class Main {
      5 	public static void main(String[] args) {
      6 		ArrayList<Album> albums = new ArrayList<Album>();
      7 		BufferedReader br;
      8 		File f;
      9 		String fields[];
     10 		String str;
     11 		String sortby;
     12 
     13 		try {
     14 			sortby = args[0];
     15 			f = new File(args[1]);
     16 			br = new BufferedReader(new FileReader(f));
     17 
     18 			while ((str = br.readLine()) != null) {
     19 				fields = str.split("\\;");
     20 				albums.add(new Album(fields[0], fields[1],
     21 				    Integer.parseInt(fields[2]),
     22 				    Float.parseFloat(fields[3])));
     23 			}
     24 			br.close();
     25 		} catch (FileNotFoundException e) {
     26 			System.err.println("No such file");
     27 			return;
     28 		} catch (IOException e) {
     29 			System.err.println("IO Exception");
     30 			return;
     31 		} catch (ArrayIndexOutOfBoundsException e) {
     32 			System.err.println("Usage: java Main sortby file\n");
     33 			System.err.println("You can sort by:\n\ttitle\n\t" +
     34 			    "artist\n\tyear\n\tprice");
     35 			return;
     36 		}
     37 
     38 		if (sortby.equals("title"))
     39 			albums.sort((o1, o2) -> o1.get_title().compareTo(o2.get_title()));
     40 		else if (sortby.equals("artist"))
     41 			albums.sort((o1, o2) -> o1.get_artist().compareTo(o2.get_artist()));
     42 		else if (sortby.equals("year"))
     43 			albums.sort((o1, o2) -> o1.get_year().compareTo(o2.get_year()));
     44 		else if (sortby.equals("price"))
     45 			albums.sort((o1, o2) -> o1.get_price().compareTo(o2.get_price()));
     46 
     47 		for (Album m : albums)
     48 			System.out.println(m);
     49 	}
     50 }