dymik739/oop-labs-collection
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

add support for fetching random matrix and move to using domain names instead of IPs

Browse Source
This commit is contained in:
dymik739 2023-03-16 23:06:26 +02:00
parent 1c70783d22
commit ca37003f32
1 changed files with 19 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
labs/2/Main.java
View File

@ -9,10 +9,13 @@ 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;
@ -31,8 +34,7 @@ public class Main {
p += 2; p += 2;
} }
else { else {
System.err.println("[ERROR] Unknown argument found: " + args[p] + "\n[ERROR] Please, use 'java Main -h' for help"); matrix_file_name = args[p++];
System.exit(1);
} }
} }
catch (Exception e) { catch (Exception e) {
@ -46,6 +48,20 @@ 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) {
@ -71,7 +87,7 @@ 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://139.162.162.130:3000/dymik739/oop-labs-collection/raw/branch/lab2-dev/labs/2/src/help.txt", "src/help.txt"); fetchResource("http://lab2.kpi.dev: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);