package org.bigbluebutton.common.messages;
import java.util.HashMap;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
public class PresentationConversionErrorMessage implements ISubscribedMessage {
public static final String PRESENTATION_CONVERSION_ERROR = "presentation_conversion_error_message";
public final String VERSION = "0.0.1";
public final String meetingId;
public final String presentationId;
public final String code;
public final String messageKey;
public final String presentationName;
public final int numPages;
public final int maxNumPages;
public PresentationConversionErrorMessage(String meetingId, String presentationId,
String code, String messageKey, String presentationName,
int numPages, int maxNumPages) {
this.meetingId = meetingId;
this.presentationId = presentationId;
this.code = code;
this.messageKey = messageKey;
this.presentationName = presentationName;
this.maxNumPages = maxNumPages;
this.numPages = numPages;
}
public String toJson() {
HashMap<String, Object> payload = new HashMap<String, Object>();
payload.put(Constants.MEETING_ID, meetingId);
payload.put(Constants.PRESENTATION_ID, presentationId);
payload.put(Constants.CODE, code);
payload.put(Constants.MESSAGE_KEY, messageKey);
payload.put(Constants.PRESENTATION_NAME, presentationName);
payload.put(Constants.NUM_PAGES, numPages);
payload.put(Constants.MAX_NUM_PAGES, maxNumPages);
java.util.HashMap<String, Object> header = MessageBuilder.buildHeader(PRESENTATION_CONVERSION_ERROR, VERSION, null);
return MessageBuilder.buildJson(header, payload);
}
public static PresentationConversionErrorMessage 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_CONVERSION_ERROR.equals(messageName)) {
if (payload.has(Constants.MEETING_ID)
&& payload.has(Constants.CODE)
&& payload.has(Constants.MESSAGE_KEY)
&& payload.has(Constants.MAX_NUM_PAGES)
&& payload.has(Constants.NUM_PAGES)
&& payload.has(Constants.PRESENTATION_NAME)
&& payload.has(Constants.PRESENTATION_ID)) {
String meetingId = payload.get(Constants.MEETING_ID).getAsString();
String presentationId = payload.get(Constants.PRESENTATION_ID).getAsString();
String presentationName = payload.get(Constants.PRESENTATION_NAME).getAsString();
String code = payload.get(Constants.CODE).getAsString();
String messageKey = payload.get(Constants.MESSAGE_KEY).getAsString();
int numPages = payload.get(Constants.NUM_PAGES).getAsInt();
int maxNumPages = payload.get(Constants.MAX_NUM_PAGES).getAsInt();
return new PresentationConversionErrorMessage(meetingId, presentationId,
code, messageKey, presentationName, numPages, maxNumPages);
}
}
}
}
return null;
}
}