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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_15) on Thu Aug 28 21:12:49 PDT 2008 --><TITLE>IQ (Openfire 3.6.0a Javadoc)</TITLE><META NAME="keywords" CONTENT="org.xmpp.packet.IQ class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="IQ (Openfire 3.6.0a Javadoc)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Openfire 3.6.0a Javadoc</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../org/xmpp/packet/IQ.Type.html" title="enum in org.xmpp.packet"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?org/xmpp/packet/IQ.html" target="_top"><B>FRAMES</B></A> <A HREF="IQ.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | <A HREF="#fields_inherited_from_class_org.xmpp.packet.Packet">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.xmpp.packet</FONT><BR>Class IQ</H2><PRE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../org/xmpp/packet/Packet.html" title="class in org.xmpp.packet">org.xmpp.packet.Packet</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.xmpp.packet.IQ</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../org/xmpp/muc/DestroyRoom.html" title="class in org.xmpp.muc">DestroyRoom</A>, <A HREF="../../../org/xmpp/muc/RoomConfiguration.html" title="class in org.xmpp.muc">RoomConfiguration</A>, <A HREF="../../../org/xmpp/packet/Roster.html" title="class in org.xmpp.packet">Roster</A></DD></DL><HR><DL><DT><PRE>public class <B>IQ</B><DT>extends <A HREF="../../../org/xmpp/packet/Packet.html" title="class in org.xmpp.packet">Packet</A></DL></PRE><P>IQ (Info/Query) packet. IQ packets are used to get and set information on the server, including authentication, roster operations, and creating accounts. Each IQ packet has a specific type that indicates what type of action is being taken: "get", "set", "result", or "error".<p> IQ packets can contain a single child element that exists in a extended XML namespace.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Nested Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.Type.html" title="enum in org.xmpp.packet">IQ.Type</A></B></CODE><BR> Type-safe enumeration to represent the type of the IQ packet.</TD></TR></TABLE> <!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR></TABLE> <A NAME="fields_inherited_from_class_org.xmpp.packet.Packet"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class org.xmpp.packet.<A HREF="../../../org/xmpp/packet/Packet.html" title="class in org.xmpp.packet">Packet</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../org/xmpp/packet/Packet.html#docFactory">docFactory</A>, <A HREF="../../../org/xmpp/packet/Packet.html#element">element</A>, <A HREF="../../../org/xmpp/packet/Packet.html#fromJID">fromJID</A>, <A HREF="../../../org/xmpp/packet/Packet.html#toJID">toJID</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#IQ()">IQ</A></B>()</CODE><BR> Constructs a new IQ with an automatically generated ID and a type of <A HREF="../../../org/xmpp/packet/IQ.Type.html#get"><CODE>IQ.Type.get</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#IQ(org.dom4j.Element)">IQ</A></B>(org.dom4j.Element element)</CODE><BR> Constructs a new IQ using an existing Element.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#IQ(org.dom4j.Element, boolean)">IQ</A></B>(org.dom4j.Element element, boolean skipValidation)</CODE><BR> Constructs a new IQ using an existing Element.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#IQ(org.xmpp.packet.IQ.Type)">IQ</A></B>(<A HREF="../../../org/xmpp/packet/IQ.Type.html" title="enum in org.xmpp.packet">IQ.Type</A> type)</CODE><BR> Constructs a new IQ using the specified type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#IQ(org.xmpp.packet.IQ.Type, java.lang.String)">IQ</A></B>(<A HREF="../../../org/xmpp/packet/IQ.Type.html" title="enum in org.xmpp.packet">IQ.Type</A> type, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> ID)</CODE><BR> Constructs a new IQ using the specified type and ID.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#addExtension(org.xmpp.packet.PacketExtension)">addExtension</A></B>(<A HREF="../../../org/xmpp/packet/PacketExtension.html" title="class in org.xmpp.packet">PacketExtension</A> extension)</CODE><BR> Adds the element contained in the PacketExtension to the child element of the IQ packet.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../org/xmpp/packet/IQ.html" title="class in org.xmpp.packet">IQ</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#createCopy()">createCopy</A></B>()</CODE><BR> Returns a deep copy of this IQ.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../org/xmpp/packet/IQ.html" title="class in org.xmpp.packet">IQ</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#createResultIQ(org.xmpp.packet.IQ)">createResultIQ</A></B>(<A HREF="../../../org/xmpp/packet/IQ.html" title="class in org.xmpp.packet">IQ</A> iq)</CODE><BR> Convenience method to create a new <A HREF="../../../org/xmpp/packet/IQ.Type.html#result"><CODE>IQ.Type.result</CODE></A> IQ based on a <A HREF="../../../org/xmpp/packet/IQ.Type.html#get"><CODE>IQ.Type.get</CODE></A> or <A HREF="../../../org/xmpp/packet/IQ.Type.html#set"><CODE>IQ.Type.set</CODE></A> IQ.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#deleteExtension(java.lang.String, java.lang.String)">deleteExtension</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> name, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> namespace)</CODE><BR> Deletes the first element whose element name and namespace matches the specified element name and namespace in this packet's child element.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> org.dom4j.Element</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/xmpp/packet/IQ.html#getChildElement()">getChildElement</A></B>()</CODE><BR>⌨️ 快捷键说明
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