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oop-labs-collection
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dymik739:lab6dev
dymik739:lab5dev
dymik739:lab3-dev
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dymik739:lab2-dev
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compare: dymik739:4ba6832845ab2755e20d82ba8bec37a610e0c882
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dymik739:lab6dev
dymik739:master
dymik739:lab5dev
dymik739:lab3-dev
dymik739:lab4dev
dymik739:lab2-dev

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2 changed files with 8 additions and 23 deletions
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29
labs/2/Main.java
View File

@ -9,13 +9,11 @@ import java.net.URL;
import java.io.BufferedInputStream; import java.io.BufferedInputStream;
import java.io.FileOutputStream; import java.io.FileOutputStream;
import java.util.ArrayList;
public class Main { public class Main {
public static void main(String[] args) { public static void main(String[] args) {
boolean help_enqueued = false; boolean help_enqueued = false;
boolean allow_networking = true; boolean allow_networking = true;
String matrix_file_name = "";
int verbosity = 1; int verbosity = 1;
int p = 0; int p = 0;
@ -34,7 +32,8 @@ public class Main {
p += 2; p += 2;
} }
else { else {
matrix_file_name = args[p++]; System.err.println("[ERROR] Unknown argument found: " + args[p] + "\n[ERROR] Please, use 'java Main -h' for help");
System.exit(1);
} }
} }
catch (Exception e) { catch (Exception e) {
@ -48,20 +47,6 @@ public class Main {
printHelp(allow_networking); printHelp(allow_networking);
System.exit(0); System.exit(0);
} }
if (Objects.equals("", matrix_file_name)) {
System.err.println("[WARN] No filename specified to read from, using default one");
matrix_file_name = "random_matrix.txt";
}
File matrix_file = new File(matrix_file_name);
if (!matrix_file.exists()) {
if (allow_networking) {
System.err.println("[WARN] File is missing, downloading random matrix from the server");
fetchResource("http://lab2.kpi.dev:16554/matrix.py", matrix_file_name);
}
}
} }
private static void fetchResource(String remote_url, String output_filename) { private static void fetchResource(String remote_url, String output_filename) {
@ -87,7 +72,7 @@ public class Main {
System.err.println("[WARN] Help file is missing."); System.err.println("[WARN] Help file is missing.");
if (allow_net) { if (allow_net) {
System.err.println("[INFO] Trying to recover it from the git server"); System.err.println("[INFO] Trying to recover it from the git server");
fetchResource("http://lab2.kpi.dev:3000/dymik739/oop-labs-collection/raw/branch/lab2-dev/labs/2/src/help.txt", "src/help.txt"); fetchResource("http://139.162.162.130:3000/dymik739/oop-labs-collection/raw/branch/lab2-dev/labs/2/src/help.txt", "src/help.txt");
} else { } else {
System.err.println("[INFO] Networking is disabled, not recovering"); System.err.println("[INFO] Networking is disabled, not recovering");
System.exit(1); System.exit(1);
@ -95,12 +80,14 @@ public class Main {
} }
Scanner help_file_scanner = new Scanner(help_file); Scanner help_file_scanner = new Scanner(help_file);
String help_text = "";
while (help_file_scanner.hasNextLine()) { while (help_file_scanner.hasNextLine()) {
System.out.print(help_file_scanner.nextLine()); help_text += help_file_scanner.nextLine();
} }
help_file_scanner.close(); help_file_scanner.close();
System.out.println(help_text);
} catch (Exception e) { } catch (Exception e) {
System.out.println("[ERROR] Failed to read help due to the following exception: " + e); System.out.println("[ERROR] Failed to read help due to the following exception: " + e);
System.exit(1); System.exit(1);

2
labs/2/matrix.py
View File

@ -1,2 +0,0 @@
import random
print("Content-Type: text/plain\n\n" + "\n".join([" ".join(list(map(str, [random.randint(-40, 40) for i in range(7)]))) for i in range(7)]))