Java tutorial
/** * Copyright (C) 2013 Open WhisperSystems * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.whispersystems.textsecuregcm.storage; import com.fasterxml.jackson.annotation.JsonIgnore; import com.fasterxml.jackson.annotation.JsonProperty; import com.google.common.annotations.VisibleForTesting; import com.google.common.base.Optional; import java.util.HashSet; import java.util.Set; import java.util.concurrent.TimeUnit; public class Account { public static final int MEMCACHE_VERION = 5; @JsonProperty private String number; @JsonProperty private Set<Device> devices = new HashSet<>(); @JsonProperty private String identityKey; @JsonIgnore private Device authenticatedDevice; public Account() { } @VisibleForTesting public Account(String number, Set<Device> devices) { this.number = number; this.devices = devices; } public Optional<Device> getAuthenticatedDevice() { return Optional.fromNullable(authenticatedDevice); } public void setAuthenticatedDevice(Device device) { this.authenticatedDevice = device; } public void setNumber(String number) { this.number = number; } public String getNumber() { return number; } public void addDevice(Device device) { this.devices.remove(device); this.devices.add(device); } public void removeDevice(long deviceId) { this.devices.remove(new Device(deviceId, null, null, null, null, null, null, null, false, 0, null, 0, 0, false, false, "NA")); } public Set<Device> getDevices() { return devices; } public Optional<Device> getMasterDevice() { return getDevice(Device.MASTER_ID); } public Optional<Device> getDevice(long deviceId) { for (Device device : devices) { if (device.getId() == deviceId) { return Optional.of(device); } } return Optional.absent(); } public boolean isVoiceSupported() { for (Device device : devices) { if (device.isActive() && device.isVoiceSupported()) { return true; } } return false; } public boolean isVideoSupported() { for (Device device : devices) { if (device.isActive() && device.isVideoSupported()) { return true; } } return false; } public boolean isActive() { return getMasterDevice().isPresent() && getMasterDevice().get().isActive() && getLastSeen() > (System.currentTimeMillis() - TimeUnit.DAYS.toMillis(365)); } public long getNextDeviceId() { long highestDevice = Device.MASTER_ID; for (Device device : devices) { if (!device.isActive()) { return device.getId(); } else if (device.getId() > highestDevice) { highestDevice = device.getId(); } } return highestDevice + 1; } public int getActiveDeviceCount() { int count = 0; for (Device device : devices) { if (device.isActive()) count++; } return count; } public boolean isRateLimited() { return true; } public Optional<String> getRelay() { return Optional.absent(); } public void setIdentityKey(String identityKey) { this.identityKey = identityKey; } public String getIdentityKey() { return identityKey; } public long getLastSeen() { long lastSeen = 0; for (Device device : devices) { if (device.getLastSeen() > lastSeen) { lastSeen = device.getLastSeen(); } } return lastSeen; } }