package org.bigbluebutton.common.messages;
import java.util.HashMap;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
public class PresentationCursorUpdateMessage implements ISubscribedMessage {
public static final String PRESENTATION_CURSOR_UPDATED = "presentation_cursor_updated_message";
public final String VERSION = "0.0.1";
public final String meetingId;
public final double xPercent;
public final double yPercent;
public PresentationCursorUpdateMessage(String meetingId, double xPercent, double yPercent) {
this.meetingId = meetingId;
this.xPercent = xPercent;
this.yPercent = yPercent;
}
public String toJson() {
HashMap<String, Object> payload = new HashMap<String, Object>();
payload.put(Constants.MEETING_ID, meetingId);
payload.put(Constants.X_PERCENT, xPercent);
payload.put(Constants.Y_PERCENT, yPercent);
java.util.HashMap<String, Object> header = MessageBuilder.buildHeader(PRESENTATION_CURSOR_UPDATED, VERSION, null);
return MessageBuilder.buildJson(header, payload);
}
public static PresentationCursorUpdateMessage 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 (PRESENTATION_CURSOR_UPDATED.equals(messageName)) {
if (payload.has(Constants.MEETING_ID)
&& payload.has(Constants.X_PERCENT)
&& payload.has(Constants.Y_PERCENT)) {
String meetingId = payload.get(Constants.MEETING_ID).getAsString();
double xPercent = payload.get(Constants.X_PERCENT).getAsDouble();
double yPercent = payload.get(Constants.Y_PERCENT).getAsDouble();
return new PresentationCursorUpdateMessage(meetingId, xPercent, yPercent);
}
}
}
}
return null;
}
}