Chat-Applikation/src/server/ClientMessageStore.java

76 lines
2.2 KiB
Java

/*
* Copyright (C) 2021 eichehome
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package server;
import java.io.PipedWriter;
import utils.FifoPipe;
import utils.ArrayHelper;
import utils.Client;
import utils.Message;
/**
*
* @author eichehome
*/
public class ClientMessageStore {
private ArrayHelper<Client> arrayHelper = new ArrayHelper<>();
/**
* Verzeichniss der Threads, die die Clients überwachen
*/
private Client[] clientThreads = null;
/**
* Puffer der Nachrichten
*/
private FifoPipe messages = new FifoPipe();
public synchronized void pushMessage(Message message) {
messages.setElement(message);
}
public synchronized Message popMessage() {
Message result = messages.getNextElement();
return result;
}
public synchronized void addClient(Thread thread, PipedWriter pipe) {
Client client = new Client(thread, pipe);
arrayHelper.push(client, clientThreads);
}
public synchronized Client removeClient(Thread thread) throws IllegalArgumentException {
PipedWriter pipe = null;
for (int i = 0; i < clientThreads.length; i++) {
if (clientThreads[i].getThread().equals(thread)) {
pipe = clientThreads[i].getPipe();
}
}
if (pipe != null) {
Client client = new Client(thread, pipe);
return arrayHelper.pop(client, clientThreads);
} else {
throw new IllegalArgumentException("Element not found");
}
}
public void notifyAllClients() {
for (Client client : clientThreads) {
client.getThread().interrupt();
}
}
}