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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Mon Sep 29 15:11:57 PDT 2003 --><TITLE>: Class HttpSessionBindingEvent</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT 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TARGET="_top"><B>FRAMES</B></A> <A HREF="HttpSessionBindingEvent.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#fields_inherited_from_class_java.util.EventObject">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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.servlet.http</FONT><BR>Class HttpSessionBindingEvent</H2><PRE>java.lang.Object | +--java.util.EventObject | +--<A HREF="../../../javax/servlet/http/HttpSessionEvent.html">javax.servlet.http.HttpSessionEvent</A> | +--<B>javax.servlet.http.HttpSessionBindingEvent</B></PRE><HR><DL><DT>public class <B>HttpSessionBindingEvent</B><DT>extends <A HREF="../../../javax/servlet/http/HttpSessionEvent.html">HttpSessionEvent</A></DL><P>Events of this type are either sent to an object that implements <A HREF="../../../javax/servlet/http/HttpSessionBindingListener.html"><CODE>HttpSessionBindingListener</CODE></A> when it is bound or unbound from a session, or to a <A HREF="../../../javax/servlet/http/HttpSessionAttributeListener.html"><CODE>HttpSessionAttributeListener</CODE></A> that has been configured in the deployment descriptor when any attribute is bound, unbound or replaced in a session. <p>The session binds the object by a call to <code>HttpSession.setAttribute</code> and unbinds the object by a call to <code>HttpSession.removeAttribute</code>.<P><DL><DT><B>See Also: </B><DD><A HREF="../../../javax/servlet/http/HttpSession.html"><CODE>HttpSession</CODE></A>, <A HREF="../../../javax/servlet/http/HttpSessionBindingListener.html"><CODE>HttpSessionBindingListener</CODE></A>, <A HREF="../../../javax/servlet/http/HttpSessionAttributeListener.html"><CODE>HttpSessionAttributeListener</CODE></A>, <A HREF="../../../serialized-form.html#javax.servlet.http.HttpSessionBindingEvent">Serialized Form</A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_java.util.EventObject"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class java.util.EventObject</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>source</CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#HttpSessionBindingEvent(javax.servlet.http.HttpSession, java.lang.String)">HttpSessionBindingEvent</A></B>(<A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A> session, java.lang.String name)</CODE><BR> Constructs an event that notifies an object that it has been bound to or unbound from a session.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#HttpSessionBindingEvent(javax.servlet.http.HttpSession, java.lang.String, java.lang.Object)">HttpSessionBindingEvent</A></B>(<A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A> session, java.lang.String name, java.lang.Object value)</CODE><BR> Constructs an event that notifies an object that it has been bound to or unbound from a session.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#getName()">getName</A></B>()</CODE><BR> Returns the name with which the attribute is bound to or unbound from the session.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#getSession()">getSession</A></B>()</CODE><BR> Return the session that changed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#getValue()">getValue</A></B>()</CODE><BR> Returns the value of the attribute that has been added, removed or replaced.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.util.EventObject"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.util.EventObject</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>getSource, toString</CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="HttpSessionBindingEvent(javax.servlet.http.HttpSession, java.lang.String)"><!-- --></A><H3>HttpSessionBindingEvent</H3><PRE>public <B>HttpSessionBindingEvent</B>(<A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A> session, java.lang.String name)</PRE><DL><DD>Constructs an event that notifies an object that it has been bound to or unbound from a session. To receive the event, the object must implement <A HREF="../../../javax/servlet/http/HttpSessionBindingListener.html"><CODE>HttpSessionBindingListener</CODE></A>.<DD><DL><DT><B>Parameters:</B><DD><CODE>session</CODE> - the session to which the object is bound or unbound<DD><CODE>name</CODE> - the name with which the object is bound or unbound<DT><B>See Also: </B><DD><A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#getName()"><CODE>getName()</CODE></A>, <A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#getSession()"><CODE>getSession()</CODE></A></DL></DD></DL><HR><A NAME="HttpSessionBindingEvent(javax.servlet.http.HttpSession, java.lang.String, java.lang.Object)"><!-- --></A><H3>HttpSessionBindingEvent</H3><PRE>public <B>HttpSessionBindingEvent</B>(<A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A> session, java.lang.String name, java.lang.Object value)</PRE><DL><DD>Constructs an event that notifies an object that it has been bound to or unbound from a session. To receive the event, the object must implement <A HREF="../../../javax/servlet/http/HttpSessionBindingListener.html"><CODE>HttpSessionBindingListener</CODE></A>.<DD><DL><DT><B>Parameters:</B><DD><CODE>session</CODE> - the session to which the object is bound or unbound<DD><CODE>name</CODE> - the name with which the object is bound or unbound<DT><B>See Also: </B><DD><A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#getName()"><CODE>getName()</CODE></A>, <A HREF="../../../javax/servlet/http/HttpSessionBindingEvent.html#getSession()"><CODE>getSession()</CODE></A></DL></DD></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getSession()"><!-- --></A><H3>getSession</H3><PRE>public <A HREF="../../../javax/servlet/http/HttpSession.html">HttpSession</A> <B>getSession</B>()</PRE><DL><DD>Return the session that changed.<DD><DL><DT><B>Overrides:</B><DD><A HREF="../../../javax/servlet/http/HttpSessionEvent.html#getSession()">getSession</A> in class <A HREF="../../../javax/servlet/http/HttpSessionEvent.html">HttpSessionEvent</A></DL></DD></DL><HR><A NAME="getName()"><!-- --></A><H3>getName</H3><PRE>public java.lang.String <B>getName</B>()</PRE><DL><DD>Returns the name with which the attribute is bound to or unbound from the session.<DD><DL><DT><B>Returns:</B><DD>a string specifying the name with which the object is bound to or unbound from the session</DL></DD></DL><HR><A NAME="getValue()"><!-- --></A><H3>getValue</H3><PRE>public java.lang.Object <B>getValue</B>()</PRE><DL><DD>Returns the value of the attribute that has been added, removed or replaced. If the attribute was added (or bound), this is the value of the attribute. If the attribute was removed (or unbound), this is the value of the removed attribute. If the attribute was replaced, this is the old value of the attribute.<DD><DL><DT><B>Since: </B><DD>2.3</DD></DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="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 ID="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT ID="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT ID="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT ID="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/servlet/http/HttpServletResponseWrapper.html"><B>PREV CLASS</B></A> <A HREF="../../../javax/servlet/http/HttpSessionEvent.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="HttpSessionBindingEvent.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#fields_inherited_from_class_java.util.EventObject">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><!-- =========== END OF NAVBAR =========== --><HR></BODY></HTML>?? 快捷鍵說明
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