ChatRoomTagsUpdateEventImpl.java

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

import com.netease.nimlib.biz.constant.IChatRoomService;
import com.netease.nimlib.log.NimLog;
import com.netease.nimlib.push.packet.marshal.Property;
import com.netease.nimlib.util.StringUtil;

import org.json.JSONArray;

import java.util.ArrayList;
import java.util.List;

public class ChatRoomTagsUpdateEventImpl implements ChatRoomTagsUpdateEvent{

    private static final String TAG = "ChatRoomTagsUpdateEventImpl";
    private final String roomId;
    private final List<String> tags;

    public ChatRoomTagsUpdateEventImpl(String roomId, Property tagsProperty) {
        this.roomId = roomId;
        this.tags = new ArrayList<>();
        String tagsString = tagsProperty.get(IChatRoomService.ChatRoomTagUpdateChatroomTag.CURRENT_TAGS);
        if (!StringUtil.isNotEmpty(tagsString)) {
            return;
        }
        JSONArray tagArray = null;
        try {
            tagArray = new JSONArray(tagsString);
        } catch (Throwable e) {
            NimLog.w(TAG, "the format of tags is unexpected. " + tagsString);
        }
        if (tagArray == null) {
            return;
        }
        int len = tagArray.length();
        for (int i = 0; i < len; ++i) {
            String tag = tagArray.optString(i);
            if (tag != null) {
                this.tags.add(tag);
            }
        }
    }

    @Override
    public String getRoomId() {
        return roomId;
    }

    @Override
    public List<String> getTags() {
        return tags;
    }

    @Override
    public String toString() {
        return "ChatRoomTagsUpdateEventImpl{" +
                "roomId='" + roomId + '\'' +
                ", tags=" + tags +
                '}';
    }
}