/**
* Creates an integer random array with numbers in the interval [0; max].
*
* @param len length of the array.
* @param max maximum random value.
* @return the array
*/
static int[] randomArray(int len, int max) {
assert len >= 0;
assert max >= 0;
int[] result = new int[len];
for (int i = 0; i < len; i++) result[i] = (int) (Math.random() * (max + 1));
return result;
}
/**
* Gives random available port in the given range.
*
* @param from if <=0 then default value 49152 is used
* @param to if <=0 then default value 65535 is used
*/
protected int randomLocalPort(int from, int to){
from = (from <=0) ? 49152 : from;
to = (to <= 0) ? 65535 : to;
while(true){
int candidate = (int) ((Math.random() * (to-from)) + from);
if(isFreePort(candidate)){
return candidate;
}
System.out.println(String.format("Port %s is in use", candidate));
}
}
private void scannerLoop() throws ParseException {
Scanner reader = new Scanner(in);
String line = reader.nextLine();
while (!line.equals("startScheduling")) {
String[] params = line.split("\\(|,( )*|\\)");
switch (params[0]) {
case "create":
if (params.length == 4) {
User temp = find(params[1]);
if (temp == null) {
User user =
new User(params[1], Integer.parseInt(params[2]), Boolean.parseBoolean(params[3]));
users.add(user);
} else {
out.print("Error: user with this name already exist");
}
} else {
out.print("Error: wrong arguments");
}
break;
case "modify":
if (params.length == 4) {
User temp = find(params[1]);
if (!(temp == null)) {
temp.setName(params[1]);
temp.setTimezone(Integer.parseInt(params[2]));
temp.setStatus(Boolean.parseBoolean(params[3]));
} else {
out.print("Error: user with this name not found");
}
} else {
out.print("Error: wrong arguments");
}
break;
case "addEvent":
if (params.length == 4) {
User temp = find(params[1]);
if (!(temp == null)) {
Pattern pattern =
Pattern.compile(
"(0?[1-9]|[12][0-9]|3[01])\\.(0?[1-9]|1[012])\\.((19|20)\\d\\d)\\-([01]?[0-9]|2[0-3])\\:[0-5][0-9]\\:[0-5][0-9]");
Matcher matcher = pattern.matcher(params[3]);
if (matcher.matches()) {
DateFormat df = new SimpleDateFormat("dd.MM.yyyy'-'HH:mm:ss");
Date result = df.parse(params[3]);
result.setTime(
result.getTime() + (defaultTimezone - temp.getTimezone()) * 3600 * 1000);
Event event = new Event(result, params[2]);
temp.addEvent(event);
} else {
out.print("Error: wrong dateformat");
}
} else {
out.print("Error: user with this name not found");
}
} else {
out.print("Error: wrong arguments");
}
break;
case "addRandomTimeEvent":
if (params.length == 5) {
User temp = find(params[1]);
if (!(temp == null)) {
Pattern pattern =
Pattern.compile(
"(0?[1-9]|[12][0-9]|3[01])\\.(0?[1-9]|1[012])\\.((19|20)\\d\\d)\\-([01]?[0-9]|2[0-3])\\:[0-5][0-9]\\:[0-5][0-9]");
Matcher matcherFrom = pattern.matcher(params[3]);
Matcher matcherTo = pattern.matcher(params[4]);
if (matcherFrom.matches() && matcherTo.matches()) {
long dateFrom = Timestamp.valueOf(params[3]).getTime();
long dateTo = Timestamp.valueOf(params[4]).getTime();
long diff = dateFrom - dateTo + 1;
Event event =
new Event(new Date(dateFrom + (long) (Math.random() * diff)), params[2]);
temp.addEvent(event);
} else {
out.print("Error: wrong dateformat");
}
} else {
out.print("Error: user with this name not found");
}
} else {
out.print("Error: wrong arguments");
}
break;
case "removeEvent":
if (params.length == 3) {
User temp = find(params[1]);
if (!(temp == null)) {
temp.removeEvent(params[2]);
} else {
out.print("Error: user with this name not found");
}
} else {
out.print("Error: wrong arguments");
}
break;
case "cloneEvent":
if (params.length == 4) {
User temp = find(params[1]);
User tempTo = find(params[3]);
if (!(temp == null) && !(tempTo == null)) {
Event event = temp.findEvent(params[2]);
tempTo.addEvent(event);
} else {
out.print("Error: user with this name not found");
}
} else {
out.print("Error: wrong arguments");
}
break;
case "showInfo":
if (params.length == 2) {
User temp = find(params[1]);
if (!(temp == null)) {
temp.showInfo();
} else {
out.print("Error: user with this name not found");
}
} else {
out.print("Error: wrong arguments");
}
break;
}
line = reader.nextLine();
}
}