hi all, I had traced the jabber server code, but it's difficult to understand for me. >< I can't understand the hashmap when to use, and what kind of information to store in it. Does anyone can give me clues? Thanks a lot!†‰žþïÖÿÿÿþÿÿ/ÆÿÿÓÿÿÁ _ÿÿÿÞ†Ûiÿÿ솊iŠxÿ¥Èh™ïÜ¢oíÃüÐýgk/ÿÿÿÿÿÿÇÿÿòÿÿãÿÿÿÿÿÿ†ÛiÿÿðÃÞm¬ÿr‰ÿ·