| 1 | package nu.fw.jeti.jabber.elements; |
|---|
| 2 | |
|---|
| 3 | import nu.fw.jeti.jabber.JID; |
|---|
| 4 | |
|---|
| 5 | /** |
|---|
| 6 | * Info/Query, or IQ, is a simple request-response mechanism. Just as HTTP is a request-response medium, |
|---|
| 7 | * the iq element enables an entity to make a request of, and receive a response from, another entity. |
|---|
| 8 | * The data content of the request and response is defined by the namespace declaration of a |
|---|
| 9 | * direct child element of the iq element. |
|---|
| 10 | * @see <a href=http://www.jabber.org/ietf/draft-miller-xmpp-core-00.html#iq>xmpp-core</a> |
|---|
| 11 | * @author E.S. de Boer |
|---|
| 12 | * @version 1.0 |
|---|
| 13 | */ |
|---|
| 14 | |
|---|
| 15 | public class InfoQuery extends Packet |
|---|
| 16 | { |
|---|
| 17 | private static int ids=0; |
|---|
| 18 | private String type; |
|---|
| 19 | private static String ID_PREFIX = "Jeti_" + Math.random() +"_"; |
|---|
| 20 | |
|---|
| 21 | public InfoQuery(String type,IQExtension ex) |
|---|
| 22 | { |
|---|
| 23 | this(null,type,ID_PREFIX + ids++,ex); |
|---|
| 24 | } |
|---|
| 25 | |
|---|
| 26 | public InfoQuery(JID to,String type,IQExtension ex) |
|---|
| 27 | { |
|---|
| 28 | this(to,type,ID_PREFIX + ids++,ex); |
|---|
| 29 | } |
|---|
| 30 | |
|---|
| 31 | public InfoQuery(JID to,String type,String id,IQExtension ex) |
|---|
| 32 | { |
|---|
| 33 | super(to,id,(Extension)ex); |
|---|
| 34 | if(super.id==null) super.id = ID_PREFIX + ids++; |
|---|
| 35 | this.type = type; |
|---|
| 36 | } |
|---|
| 37 | |
|---|
| 38 | // public InfoQuery(JID to,String type,String id,IQExtension ex,String error,int errorCode) |
|---|
| 39 | // {//TODO remove |
|---|
| 40 | // super(to,id,error,errorCode); |
|---|
| 41 | // type = "error"; |
|---|
| 42 | // } |
|---|
| 43 | |
|---|
| 44 | public InfoQuery(JID to,String id,XMPPError error) |
|---|
| 45 | { |
|---|
| 46 | super(to,id,error); |
|---|
| 47 | if(super.id==null) super.id = ID_PREFIX + ids++; |
|---|
| 48 | type = "error"; |
|---|
| 49 | } |
|---|
| 50 | |
|---|
| 51 | |
|---|
| 52 | protected InfoQuery(InfoQueryBuilder iqb) |
|---|
| 53 | { |
|---|
| 54 | super(iqb); |
|---|
| 55 | if(id==null) id = ID_PREFIX + ids++; |
|---|
| 56 | type = iqb.getType(); |
|---|
| 57 | } |
|---|
| 58 | |
|---|
| 59 | public String getType(){return type;} |
|---|
| 60 | |
|---|
| 61 | public void appendToXML(StringBuffer xml) |
|---|
| 62 | { |
|---|
| 63 | xml.append("<iq"); |
|---|
| 64 | appendBaseAttributes(xml); |
|---|
| 65 | appendAttribute(xml,"type",type); |
|---|
| 66 | if(getExtensions() == null && !"error".equals(getType())) |
|---|
| 67 | {//short cut |
|---|
| 68 | xml.append("/>"); |
|---|
| 69 | return; |
|---|
| 70 | } |
|---|
| 71 | xml.append('>'); |
|---|
| 72 | if("error".equals(type)) appendError(xml); |
|---|
| 73 | appendExtensions(xml); |
|---|
| 74 | xml.append("</iq>"); |
|---|
| 75 | } |
|---|
| 76 | } |
|---|
| 77 | /* |
|---|
| 78 | * Overrides for emacs |
|---|
| 79 | * Local variables: |
|---|
| 80 | * tab-width: 4 |
|---|
| 81 | * End: |
|---|
| 82 | */ |
|---|
