ChatMessage.java

/*
 * GT-Mconf: Multiconference system for interoperable web and mobile
 * http://www.inf.ufrgs.br/prav/gtmconf
 * PRAV Labs - UFRGS
 * 
 * This file is part of Mconf-Mobile.
 *
 * Mconf-Mobile is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Mconf-Mobile is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Mconf-Mobile.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.mconf.bbb.chat;

import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import com.flazr.amf.Amf0Object;

public class ChatMessage {
	
	/*
	 * newMessage = event.message 
	 * 		+ "|" + attributes.username 
	 * 		+ "|" + event.color 
	 * 		+ "|" + event.time 
	 * 		+ "|" + event.language 
	 * 		+ "|" + attributes.userid;
	 */
	private String message;
	private String username;
	private String color;
	private String time;
	private String language;
	private String userId;
	
	public ChatMessage() {
		color = "0";
		time = new SimpleDateFormat("HH:mm").format(System.currentTimeMillis());
		language = "en";
	}
	
	public ChatMessage(Object object) {
		if (object instanceof String)
			decode((String) object);
		else if (object instanceof Amf0Object)
			decode((Amf0Object) object);
	}
	
	// {message=hi, username=rapo, color=0, time=11:52, language=it, userid=4865, classname=org.bigbluebutton.conference.service.chat.ChatObject}]
	private void decode(Amf0Object obj) {
		message = (String) obj.get("message");
		username = (String) obj.get("username");
		color = (String) obj.get("color");
		time = (String) obj.get("time");
		language = (String) obj.get("language");
		userId = (String) obj.get("userid");

		ChatModule.MESSAGE_ENCODING = ChatModule.MESSAGE_ENCODING_TYPED_OBJECT;
	}
	
	private void decode(String s) throws NumberFormatException {
		List<String> param = Arrays.asList(s.split("\\|"));
		message = param.get(0);
		username = param.get(1);

		Collections.reverse(param);
		
		userId = param.get(0);
		language = param.get(1);
		time = param.get(2);
		color = param.get(3);
		
		ChatModule.MESSAGE_ENCODING = ChatModule.MESSAGE_ENCODING_STRING;
	}
	
	public Object encode() {
		switch (ChatModule.MESSAGE_ENCODING) {
			case ChatModule.MESSAGE_ENCODING_STRING: return encodeString();
			case ChatModule.MESSAGE_ENCODING_TYPED_OBJECT: return encodeTypedObject();
			default: return encodeTypedObject();
		}
	}
	
	private Object encodeTypedObject() {
		Amf0Object obj = new Amf0Object();
		obj.put("message", message);
		obj.put("username", username);
		obj.put("color", color);
		obj.put("time", time);
		obj.put("language", language);
		obj.put("userid", userId);
		obj.put("classname", "org.bigbluebutton.conference.service.chat.ChatObject");
		return obj;
	}
	
	private Object encodeString() {
		StringBuilder sb = new StringBuilder();
		sb.append(message)
			.append("|")
			.append(username)
			.append("|")
			.append(color)
			.append("|")
			.append(time)
			.append("|")
			.append(language)
			.append("|")
			.append(userId);
		return sb.toString();
	}

	public String getMessage() {
		return message;
	}

	public void setMessage(String message) {
		this.message = message;
	}

	public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public String getColor() {
		return color;
	}

	public void setColor(String color) {
		this.color = color;
	}

	public String getTime() {
		return time;
	}

	public void setTime(String time) {
		this.time = time;
	}

	public String getLanguage() {
		return language;
	}

	public void setLanguage(String language) {
		this.language = language;
	}

	public String getUserId() {
		return userId;
	}

	public void setUserId(String userid) {
		this.userId = userid;
	}

	@Override
	public String toString() {
		return "ChatMessage [color=" + color + ", language=" + language
				+ ", message=" + message + ", time=" + time + ", userid="
				+ userId + ", username=" + username + "]";
	}
	
}