CODEWITHSUNDEEP
androidxmppsmack
user4878765
user4878765

Reputation:

How can I add custom attribute (nick) in my XMPP message tag, in Smack 4.1

I want to add custom attribute (nick) in my XMPP chat message, like the following example

<message from='*' to='*' id='123' nick='KASHIF' type='chat'><body>hello</body></message>

I know, it is not recommended by XMPP but it is my requirement as this attribute(nick) is already implemented in the iOS version of the app i am working on.

Upvotes: 5

Views: 1975

Answers (2)

shanraisshan
shanraisshan

Reputation: 3603

For this you need to edit 2 classes of Smack 4.1

  • Stanza class in (org.jivesoftware.smack.packet)
  • PacketParserUtils class in (org.jivesoftware.smack.util)

1. Stanza class

Define your custom attribute (nick)

 private String nick = null;

Define Getter and Setters

public String getNick() {
    return this.nick;
}

public void setNick(String paramString) {
   this.nick = paramString;
}

Edit Stanza Constructor

protected Stanza(Stanza p) {

   //add this line
   nick = p.getNick();

}

Edit addCommonAttributes method

protected void addCommonAttributes(XmlStringBuilder xml) {

    //add this line
    if(getNick()!= null)
         xml.optAttribute("nick", getNick());
}

2. PacketParserUtils class

Edit parseMessage method

 public static Message parseMessage(XmlPullParser parser)
                throws XmlPullParserException, IOException, SmackException {

   //add this line
   message.setNick(parser.getAttributeValue("", "nick"));

}

Now you can simply set nick and send message as follows

Message message = new Message();
message.setType(Message.Type.chat);
message.setStanzaId("123");
message.setTo(number);

message.setNick("SHAYAN");    

try {
 connection.sendStanza(message);
} catch (NotConnectedException e) {
}

Upvotes: 3

xnyhps
xnyhps

Reputation: 3316

Don't do that, it's not recommended for a reason. It's very likely some servers will strip the attribute or even completely refuse to handle the packet. Instead, the recommended way is to add a custom element.

In fact, such an extension already exists, XEP-0172:

<message from='*' to='*' id='123' type='chat'>
    <nick xmlns='http://jabber.org/protocol/nick'>KASHIF</nick>
    <body>hello</body>
</message>

This might already work with other clients or libraries, so it's a much better solution.

Upvotes: 4

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