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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_14) on Mon Jan 28 05:46:53 PST 2008 --><TITLE>ResponseStateManager (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.faces.render.ResponseStateManager class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ResponseStateManager (Java EE 5)";}</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></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/faces/render/RenderKitFactory.html" title="class in javax.faces.render"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javax/faces/render/ResponseStateManager.html" target="_top"><B>FRAMES</B></A> <A HREF="ResponseStateManager.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: NESTED | <A HREF="#field_summary">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: <A HREF="#field_detail">FIELD</A> | <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">javax.faces.render</FONT><BR>Class ResponseStateManager</H2><PRE><A HREF="http://java.sun.com/j2se/1.5/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 "><B>javax.faces.render.ResponseStateManager</B></PRE><HR><DL><DT><PRE>public abstract class <B>ResponseStateManager</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL></PRE><P><p><strong>ResponseStateManager</strong> is the helper class to <A HREF="../../../javax/faces/application/StateManager.html" title="class in javax.faces.application"><CODE>StateManager</CODE></A> that knows the specific rendering technology being used to generate the response. It is a singleton abstract class, vended by the <A HREF="../../../javax/faces/render/RenderKit.html" title="class in javax.faces.render"><CODE>RenderKit</CODE></A>. This class knows the mechanics of saving state, whether it be in hidden fields, session, or some combination of the two.</p><P><P><HR><P><!-- =========== 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><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/render/ResponseStateManager.html#RENDER_KIT_ID_PARAM">RENDER_KIT_ID_PARAM</A></B></CODE><BR> The name of the request parameter used by the default implementation of <A HREF="../../../javax/faces/application/ViewHandler.html#calculateRenderKitId(javax.faces.context.FacesContext)"><CODE>ViewHandler.calculateRenderKitId(javax.faces.context.FacesContext)</CODE></A> to derive a RenderKit ID.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/render/ResponseStateManager.html#VIEW_STATE_PARAM">VIEW_STATE_PARAM</A></B></CODE><BR> Implementations must use this value as the name and id of the client parameter in which to save the state between requests.</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="../../../javax/faces/render/ResponseStateManager.html#ResponseStateManager()">ResponseStateManager</A></B>()</CODE><BR> </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> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/render/ResponseStateManager.html#getComponentStateToRestore(javax.faces.context.FacesContext)">getComponentStateToRestore</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> <B>Deprecated.</B> <I>This method has been replaced by <A HREF="../../../javax/faces/render/ResponseStateManager.html#getState(javax.faces.context.FacesContext, java.lang.String)"><CODE>getState(javax.faces.context.FacesContext, java.lang.String)</CODE></A>. The default implementation returns <code>null</code>.</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/render/ResponseStateManager.html#getState(javax.faces.context.FacesContext, java.lang.String)">getState</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> viewId)</CODE><BR> The implementation must inspect the current request and return an Object representing the tree structure and component state passed in to a previous invocation of <A HREF="../../../javax/faces/render/ResponseStateManager.html#writeState(javax.faces.context.FacesContext, java.lang.Object)"><CODE>writeState(javax.faces.context.FacesContext,java.lang.Object)</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/render/ResponseStateManager.html#getTreeStructureToRestore(javax.faces.context.FacesContext, java.lang.String)">getTreeStructureToRestore</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> viewId)</CODE><BR> <B>Deprecated.</B> <I>This method has been replaced by <A HREF="../../../javax/faces/render/ResponseStateManager.html#getState(javax.faces.context.FacesContext, java.lang.String)"><CODE>getState(javax.faces.context.FacesContext, java.lang.String)</CODE></A>. The default implementation returns <code>null</code>.</I></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="../../../javax/faces/render/ResponseStateManager.html#isPostback(javax.faces.context.FacesContext)">isPostback</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Return true if the current request is a postback.</TD></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="../../../javax/faces/render/ResponseStateManager.html#writeState(javax.faces.context.FacesContext, java.lang.Object)">writeState</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> state)</CODE><BR> </TD></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="../../../javax/faces/render/ResponseStateManager.html#writeState(javax.faces.context.FacesContext, javax.faces.application.StateManager.SerializedView)">writeState</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context, <A HREF="../../../javax/faces/application/StateManager.SerializedView.html" title="class in javax.faces.application">StateManager.SerializedView</A> state)</CODE><BR> <B>Deprecated.</B> <I>This method has been replaced by <A HREF="../../../javax/faces/render/ResponseStateManager.html#writeState(javax.faces.context.FacesContext, java.lang.Object)"><CODE>writeState(javax.faces.context.FacesContext,java.lang.Object)</CODE></A>. The default implementation of this method does nothing.</I></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Field Detail</B></FONT></TH></TR></TABLE><A NAME="RENDER_KIT_ID_PARAM"><!-- --></A><H3>RENDER_KIT_ID_PARAM</H3><PRE>public static final <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>RENDER_KIT_ID_PARAM</B></PRE><DL><DD><p>The name of the request parameter used by the default implementation of <A HREF="../../../javax/faces/application/ViewHandler.html#calculateRenderKitId(javax.faces.context.FacesContext)"><CODE>ViewHandler.calculateRenderKitId(javax.faces.context.FacesContext)</CODE></A> to derive a RenderKit ID.</p><P><DL>⌨️ 快捷键说明
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