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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.libreoffice.impressremote.communication;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import android.content.Context;
import org.libreoffice.impressremote.util.Preferences;
class ServersManager implements Comparator<Server> {
private final ServersFinder mBluetoothServersFinder;
private final ServersFinder mTcpServersFinder;
private final Set<Server> mBlacklistedServers;
private final Preferences mSavedServersPreferences;
public ServersManager(Context aContext) {
mBluetoothServersFinder = new BluetoothServersFinder(aContext);
mTcpServersFinder = new TcpServersFinder(aContext);
mBlacklistedServers = new HashSet<Server>();
mSavedServersPreferences = Preferences.getSavedServersInstance(aContext);
}
public void startServersSearch() {
mBluetoothServersFinder.startSearch();
mTcpServersFinder.startSearch();
}
public void stopServersSearch() {
mBluetoothServersFinder.stopSearch();
mTcpServersFinder.stopSearch();
}
public List<Server> getServers() {
List<Server> aServers = new ArrayList<Server>();
aServers.addAll(mBluetoothServersFinder.getServers());
aServers.addAll(mTcpServersFinder.getServers());
aServers.addAll(getManualAddedTcpServers());
aServers = filterBlacklistedServers(aServers);
Collections.sort(aServers, this);
return aServers;
}
private List<Server> getManualAddedTcpServers() {
Map<String, ?> aServersEntries = mSavedServersPreferences.getAll();
return buildTcpServers(aServersEntries);
}
private List<Server> buildTcpServers(Map<String, ?> aServersEntries) {
List<Server> aServers = new ArrayList<Server>();
for (String aServerAddress : aServersEntries.keySet()) {
String aServerName = (String) aServersEntries.get(aServerAddress);
aServers.add(Server.newTcpInstance(aServerAddress, aServerName));
}
return aServers;
}
private List<Server> filterBlacklistedServers(List<Server> aServers) {
List<Server> aFilteredServers = new ArrayList<Server>();
for (Server aServer : aServers) {
if (mBlacklistedServers.contains(aServer)) {
continue;
}
aFilteredServers.add(aServer);
}
return aFilteredServers;
}
@Override
public int compare(Server aFirstServer, Server aSecondServer) {
String aFirstServerName = aFirstServer.getName();
String aSecondServerName = aSecondServer.getName();
return aFirstServerName.compareToIgnoreCase(aSecondServerName);
}
public void addTcpServer(String aAddress, String aName) {
mSavedServersPreferences.setString(aAddress, aName);
}
public void removeServer(Server aServer) {
if (getServersAddresses(getManualAddedTcpServers()).contains(aServer.getAddress())) {
removeManualAddedServer(aServer);
return;
}
blacklistServer(aServer);
}
private List<String> getServersAddresses(List<Server> aServers) {
List<String> aServersAddresses = new ArrayList<String>();
for (Server aServer : aServers) {
aServersAddresses.add(aServer.getAddress());
}
return aServersAddresses;
}
private void removeManualAddedServer(Server aServer) {
mSavedServersPreferences.remove(aServer.getAddress());
}
private void blacklistServer(Server aServer) {
mBlacklistedServers.add(aServer);
}
}
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