DeviceInfo.java

/* 
 * Copyright 2014 OpenMarket Ltd
 * Copyright 2017 Vector Creations Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.matrix.androidsdk.rest.model;

import java.util.Collections;
import java.util.Comparator;
import java.util.List;

/**
 * This class describes the device information
 */
public class DeviceInfo {
    /**
     * The owner user id
     */
    public String user_id;

    /**
     * The device id
     */
    public String device_id;

    /**
     * The device display name
     */
    public String display_name;

    /**
     * The last time this device has been seen.
     */
    public long last_seen_ts = 0;

    /**
     * The last ip address
     */
    public String last_seen_ip;

    /**
     * Sort a devices list by their presences from the most recent to the oldest one.
     *
     * @param deviceInfos the deviceinfo list
     */
    public static void sortByLastSeen(List<DeviceInfo> deviceInfos) {
        if (null != deviceInfos)
            Collections.sort(deviceInfos, new Comparator<DeviceInfo>() {
                @Override
                public int compare(DeviceInfo lhs, DeviceInfo rhs) {
                    if (lhs.last_seen_ts == rhs.last_seen_ts) {
                        return 0;
                    } else if (lhs.last_seen_ts > rhs.last_seen_ts) {
                        return -1;
                    } else {
                        return +1;
                    }
                }
            });
    }
}