package org.bigbluebutton.common.messages;
import java.util.HashMap;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
public class GetChatHistory implements IBigBlueButtonMessage {
public static final String GET_CHAT_HISTORY_REQUEST = "get_chat_history_request";
public static final String VERSION = "0.0.1";
public final String meetingId;
public final String replyTo;
public final String requesterId;
public GetChatHistory(String meetingId, String requesterId, String replyTo) {
this.meetingId = meetingId;
this.replyTo = replyTo;
this.requesterId = requesterId;
}
public String toJson() {
HashMap<String, Object> payload = new HashMap<String, Object>();
payload.put(Constants.MEETING_ID, meetingId);
payload.put(Constants.REPLY_TO, replyTo);
payload.put(Constants.REQUESTER_ID, requesterId);
java.util.HashMap<String, Object> header = MessageBuilder.buildHeader(GET_CHAT_HISTORY_REQUEST, VERSION, null);
return MessageBuilder.buildJson(header, payload);
}
public static GetChatHistory fromJson(String message) {
JsonParser parser = new JsonParser();
JsonObject obj = (JsonObject) parser.parse(message);
if (obj.has("header") && obj.has("payload")) {
JsonObject header = (JsonObject) obj.get("header");
JsonObject payload = (JsonObject) obj.get("payload");
if (header.has("name")) {
String messageName = header.get("name").getAsString();
if (GET_CHAT_HISTORY_REQUEST.equals(messageName)) {
if (payload.has(Constants.MEETING_ID)
&& payload.has(Constants.REPLY_TO)
&& payload.has(Constants.REQUESTER_ID)) {
String meetingId = payload.get(Constants.MEETING_ID).getAsString();
String replyTo = payload.get(Constants.REPLY_TO).getAsString();
String requesterId = payload.get(Constants.REQUESTER_ID).getAsString();
return new GetChatHistory(meetingId, replyTo, requesterId);
}
}
}
}
return null;
}
}