NimOnlineStateEvent.java

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package com.netease.nimlib.sdk.event.model;

import com.netease.nimlib.log.NimLog;
import java.util.ArrayList;
import java.util.List;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class NimOnlineStateEvent {

    public static final int EVENT_TYPE = NimEventType.ONLINE_STATE.getValue();

    public static final int MODIFY_EVENT_CONFIG = 10001;

    private static final String KEY_NIM_CONFIG = "online";

    public static boolean isOnlineStateEvent(Event event) {
        return event != null && event.getEventType() == EVENT_TYPE;
    }

    public static OnlineStateEventValue getOnlineStateEventValue(Event event) {
        if (!isOnlineStateEvent(event)) {
            return null;
        }
        return OnlineStateEventValue.getOnlineStateEventValue(event.getEventValue());
    }

    public static List<Integer> getOnlineClients(Event event) {
        List<Integer> clients = null;
        try {
            JSONObject jsonObject = new JSONObject(event.getNimConfig());
            JSONArray array = jsonObject.optJSONArray(KEY_NIM_CONFIG);
            if (array == null) {
                return null;
            }
            clients = new ArrayList<>();
            for (int i = 0; i < array.length(); i++) {
                int clientType = array.getInt(i);
                clients.add(clientType);
            }
        } catch (JSONException e) {
            NimLog.e("NimOnlineStateEvent", "getOnlineClients error: " + e);
        }
        return clients;
    }

    public enum OnlineStateEventValue {
        Login(1),
        Logout(2),
        DisConnect(3);

        private final int value;

        OnlineStateEventValue(int value) {
            this.value = value;
        }

        public int getValue() {
            return value;
        }

        public static OnlineStateEventValue getOnlineStateEventValue(int value) {
            for (OnlineStateEventValue e : values()) {
                if (e.getValue() == value) {
                    return e;
                }
            }
            return null;
        }
    }
}