NetCallAttachment.java

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package com.netease.nimlib.sdk.msg.attachment;

import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class NetCallAttachment implements MsgAttachment {

    private int type;

    private String channelId;
    private int status;

    private List<Duration> durations;

    public int getType() {
        return type;
    }

    public String getChannelId() {
        return channelId;
    }

    public int getStatus() {
        return status;
    }

    public List<Duration> getDurations() {
        return durations;
    }

    @Override
    public String toJson(boolean send) {
        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject.put("type", type);
            jsonObject.put("channelId", channelId);
            jsonObject.put("status", status);

            JSONArray jsonArray = new JSONArray();
            if(durations != null)
            {
                for (Duration duration : durations) {
                    jsonArray.put(duration.toJson());
                }
            }

            jsonObject.put("durations", jsonArray);
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return jsonObject.toString();
    }

    public static NetCallAttachment fromJson(String jsonString) {
        NetCallAttachment netCallAttachment = new NetCallAttachment();

        try {
            JSONObject jsonObject = new JSONObject(jsonString);
            int type = jsonObject.optInt("type");
            String channelId = null;
            if(jsonObject.has("channelId")) {
                channelId = jsonObject.optString("channelId");
            }
            int status = jsonObject.optInt("status");

            List<Duration> durations = new LinkedList<>();
            JSONArray jsonArray = jsonObject.optJSONArray("durations");
            if (jsonArray != null) {
                for (int i = 0; i < jsonArray.length(); i++) {
                    JSONObject durationJson = jsonArray.optJSONObject(i);
                    if (durationJson != null) {
                        durations.add(Duration.fromJson(durationJson));
                    }
                }
            }

            netCallAttachment.type = type;
            netCallAttachment.channelId = channelId;
            netCallAttachment.status = status;
            netCallAttachment.durations = durations;
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return netCallAttachment;
    }


    public static final class NetCallAttachmentBuilder {
        private int type;
        private String channelId;
        private int status;
        private List<Duration> durations = new LinkedList<>();

        public NetCallAttachmentBuilder() {
        }

        public NetCallAttachmentBuilder withType(int type) {
            this.type = type;
            return this;
        }

        public NetCallAttachmentBuilder withChannelId(String channelId) {
            this.channelId = channelId;
            return this;
        }

        public NetCallAttachmentBuilder withStatus(int status) {
            this.status = status;
            return this;
        }

        public NetCallAttachmentBuilder withDurations(List<Duration> durations) {
            this.durations = durations;
            return this;
        }

        public NetCallAttachment build() {
            NetCallAttachment netCallAttachment = new NetCallAttachment();
            netCallAttachment.durations = this.durations;
            netCallAttachment.type = this.type;
            netCallAttachment.channelId = this.channelId;
            netCallAttachment.status = this.status;
            return netCallAttachment;
        }
    }

    public static class Duration implements Serializable {
        private String accid;
        private int duration;

        public String getAccid() {
            return accid;
        }

        public int getDuration() {
            return duration;
        }

        public JSONObject toJson() {
            JSONObject durationJson = new JSONObject();
            try {
                durationJson.put("accid", accid);
                durationJson.put("duration", duration);
            } catch (JSONException e) {
                e.printStackTrace();
            }
            return durationJson;
        }

        public static Duration fromJson(JSONObject durationJson) {
            Duration duration = new Duration();
            duration.accid = durationJson.optString("accid");
            duration.duration = durationJson.optInt("duration");
            return duration;
        }
    }
}