renderer.html

j2ee帮助文档软件设计/软件工程 文件格式

       <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Decode any new state of the specified <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>
 from the request contained in the specified <A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context"><CODE>FacesContext</CODE></A>,
 and store that state on the <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/faces/render/Renderer.html#encodeBegin(javax.faces.context.FacesContext, javax.faces.component.UIComponent)">encodeBegin</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
            <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Render the beginning specified <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> to the
 output stream or writer associated with the response we are creating.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/faces/render/Renderer.html#encodeChildren(javax.faces.context.FacesContext, javax.faces.component.UIComponent)">encodeChildren</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
               <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Render the child components of this <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>, following
 the rules described for <code>encodeBegin()</code> to acquire the
 appropriate value to be rendered.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/faces/render/Renderer.html#encodeEnd(javax.faces.context.FacesContext, javax.faces.component.UIComponent)">encodeEnd</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
          <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Render the ending of the current state of the specified
 <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>, following the rules described for
 <code>encodeBegin()</code> to acquire the appropriate value
 to be rendered.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<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/Renderer.html#getConvertedValue(javax.faces.context.FacesContext, javax.faces.component.UIComponent, java.lang.Object)">getConvertedValue</A></B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
                  <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component,
                  <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;submittedValue)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Attempt to convert previously stored state information into an
 object of the type required for this component (optionally using the
 registered <A HREF="../../../javax/faces/convert/Converter.html" title="interface in javax.faces.convert"><CODE>Converter</CODE></A> for this component,
 if there is one).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/faces/render/Renderer.html#getRendersChildren()">getRendersChildren</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return a flag indicating whether this <A HREF="../../../javax/faces/render/Renderer.html" title="class in javax.faces.render"><CODE>Renderer</CODE></A> is responsible
 for rendering the children the component it is asked to render.</TD>
</TR>
</TABLE>
&nbsp;<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>
&nbsp;
<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_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>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="Renderer()"><!-- --></A><H3>
Renderer</H3>
<PRE>
public <B>Renderer</B>()</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_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>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="decode(javax.faces.context.FacesContext, javax.faces.component.UIComponent)"><!-- --></A><H3>
decode</H3>
<PRE>
public void <B>decode</B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
                   <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component)</PRE>
<DL>
<DD><p>Decode any new state of the specified <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>
 from the request contained in the specified <A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context"><CODE>FacesContext</CODE></A>,
 and store that state on the <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>.</p>

 <p>During decoding, events may be enqueued for later processing
 (by event listeners that have registered an interest), by calling
 <code>queueEvent()</code> on the associated <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>.
 </p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>context</CODE> - <A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context"><CODE>FacesContext</CODE></A> for the request we are processing<DD><CODE>component</CODE> - <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> to be decoded.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if <code>context</code>
  or <code>component</code> is <code>null</code></DL>
</DD>
</DL>
<HR>

<A NAME="encodeBegin(javax.faces.context.FacesContext, javax.faces.component.UIComponent)"><!-- --></A><H3>
encodeBegin</H3>
<PRE>
public void <B>encodeBegin</B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
                        <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component)
                 throws <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><p>Render the beginning specified <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> to the
 output stream or writer associated with the response we are creating.
 If the conversion attempted in a previous call to
 <code>getConvertedValue()</code> for this component failed, the state
 information saved during execution
 of <code>decode()</code> should be used to reproduce the incorrect
 input.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>context</CODE> - <A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context"><CODE>FacesContext</CODE></A> for the request we are processing<DD><CODE>component</CODE> - <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> to be rendered
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an input/output error occurs while rendering
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if <code>context</code>
  or <code>component</code> is null</DL>
</DD>
</DL>
<HR>

<A NAME="encodeChildren(javax.faces.context.FacesContext, javax.faces.component.UIComponent)"><!-- --></A><H3>
encodeChildren</H3>
<PRE>
public void <B>encodeChildren</B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
                           <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A>&nbsp;component)
                    throws <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><p>Render the child components of this <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>, following
 the rules described for <code>encodeBegin()</code> to acquire the
 appropriate value to be rendered.  This method will only be called
 if the <code>rendersChildren</code> property of this component