viewhandler.html
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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 05:46:45 PST 2008 --><TITLE>ViewHandler (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.faces.application.ViewHandler class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ViewHandler (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/application/ViewExpiredException.html" title="class in javax.faces.application"><B>PREV CLASS</B></A> <A HREF="../../../javax/faces/application/ViewHandlerWrapper.html" title="class in javax.faces.application"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javax/faces/application/ViewHandler.html" target="_top"><B>FRAMES</B></A> <A HREF="ViewHandler.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.application</FONT><BR>Class ViewHandler</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.application.ViewHandler</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../javax/faces/application/ViewHandlerWrapper.html" title="class in javax.faces.application">ViewHandlerWrapper</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>ViewHandler</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>ViewHandler</strong> is the pluggablity mechanism for allowing implementations of or applications using the JavaServer Faces specification to provide their own handling of the activities in the <em>Render Response</em> and <em>Restore View</em> phases of the request processing lifecycle. This allows for implementations to support different response generation technologies, as well as alternative strategies for saving and restoring the state of each view.</p> <p>Please see <A HREF="../../../javax/faces/application/StateManager.html" title="class in javax.faces.application"><CODE>StateManager</CODE></A> for information on how the <code>ViewHandler</code> interacts the <A HREF="../../../javax/faces/application/StateManager.html" title="class in javax.faces.application"><CODE>StateManager</CODE></A>. </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/application/ViewHandler.html#CHARACTER_ENCODING_KEY">CHARACTER_ENCODING_KEY</A></B></CODE><BR> The key, in the session's attribute set, under which the response character encoding may be stored and retrieved.</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/application/ViewHandler.html#DEFAULT_SUFFIX">DEFAULT_SUFFIX</A></B></CODE><BR> The value to use for the default extension if the webapp is using url extension mapping.</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/application/ViewHandler.html#DEFAULT_SUFFIX_PARAM_NAME">DEFAULT_SUFFIX_PARAM_NAME</A></B></CODE><BR> Allow the web application to define an alternate suffix for pages containing JSF content.</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/application/ViewHandler.html#ViewHandler()">ViewHandler</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/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/application/ViewHandler.html#calculateCharacterEncoding(javax.faces.context.FacesContext)">calculateCharacterEncoding</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Returns the correct character encoding to be used for this request.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/util/Locale.html" title="class or interface in java.util">Locale</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/application/ViewHandler.html#calculateLocale(javax.faces.context.FacesContext)">calculateLocale</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Returns an appropriate <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/util/Locale.html" title="class or interface in java.util"><CODE>Locale</CODE></A> to use for this and subsequent requests for the current client.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <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/application/ViewHandler.html#calculateRenderKitId(javax.faces.context.FacesContext)">calculateRenderKitId</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A> context)</CODE><BR> Return an appropriate <code>renderKitId</code> for this and subsequent requests from the current client.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../javax/faces/component/UIViewRoot.html" title="class in javax.faces.component">UIViewRoot</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/application/ViewHandler.html#createView(javax.faces.context.FacesContext, java.lang.String)">createView</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> Create and return a new <A HREF="../../../javax/faces/component/UIViewRoot.html" title="class in javax.faces.component"><CODE>UIViewRoot</CODE></A> instance initialized with information from the argument <code>FacesContext</code> and <code>viewId</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <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/application/ViewHandler.html#getActionURL(javax.faces.context.FacesContext, java.lang.String)">getActionURL</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>⌨️ 快捷键说明
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