public boolean ok(String out, String reference) {
try {
File fo = File.createTempFile("homeworkeval", ".out");
File fr = File.createTempFile("homeworkeval", ".ref");
log.fine("Running custom validator.");
save(out, fo);
save(reference, fr);
ArrayList<String> c = new ArrayList<String>();
c.add(command);
c.add(fo.getPath());
c.add(fr.getPath());
ProcessBuilder pb = new ProcessBuilder(c);
Process p = pb.start();
int rc = p.waitFor();
fo.delete();
fr.delete();
log.fine("Custom validator " + command + " says " + rc);
return rc == 0;
} catch (Exception e) {
// Assume NOK. Don't propagate info to the client.
log.finer("exc: " + UtilSrv.describe(e));
return false;
}
}
public static String temp_filePath(String namePattern, String ext)
throws IOException, FileNotFoundException {
File temp = File.createTempFile("temp-file-name", ".tmp");
return temp.getAbsolutePath();
}