actionsource.html

j2ee帮助文档软件设计/软件工程 文件格式

 if this <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> is activated by the user, during the
 <em>Apply Request Values</em> or <em>Invoke Application</em>
 phase of the request processing lifecycle, depending on the value
 of the <code>immediate</code> property.</p>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setAction(javax.faces.el.MethodBinding)"><!-- --></A><H3>
setAction</H3>
<PRE>
void <B>setAction</B>(<A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A>&nbsp;action)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>This has been replaced by <A HREF="../../../javax/faces/component/ActionSource2.html#setActionExpression(javax.el.MethodExpression)"><CODE>ActionSource2.setActionExpression(javax.el.MethodExpression)</CODE></A>.</I>
<P>
<DD><p>If the implementing class also implements <A HREF="../../../javax/faces/component/ActionSource2.html" title="interface in javax.faces.component"><CODE>ActionSource2</CODE></A>, the implementation of this method must wrap the
 argument <code>action</code> in a class that implements <A HREF="../../../javax/el/MethodExpression.html" title="class in javax.el"><CODE>MethodExpression</CODE></A> and call through to <A HREF="../../../javax/faces/component/ActionSource2.html#setActionExpression(javax.el.MethodExpression)"><CODE>ActionSource2.setActionExpression(javax.el.MethodExpression)</CODE></A>, passing the wrapped
 <code>action</code>.</p>

 <p>If the implementing class does not implement
 <code>ActionSource2</code>, set the <A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el"><CODE>MethodBinding</CODE></A>
 pointing at the appication action to be invoked, if this <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> is activated by the user, during the <em>Apply
 Request Values</em> or <em>Invoke Application</em> phase of the
 request processing lifecycle, depending on the value of the
 <code>immediate</code> property.</p>

 <p>Any method referenced by such an expression must be public, with
 a return type of <code>String</code>, and accept no parameters.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>action</CODE> - The new MethodBinding expression</DL>
</DD>
</DL>
<HR>

<A NAME="getActionListener()"><!-- --></A><H3>
getActionListener</H3>
<PRE>
<A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A> <B>getActionListener</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../javax/faces/component/ActionSource.html#getActionListeners()"><CODE>getActionListeners()</CODE></A> instead.</I>
<P>
<DD><p>If <A HREF="../../../javax/faces/component/ActionSource.html#setActionListener(javax.faces.el.MethodBinding)"><CODE>setActionListener(javax.faces.el.MethodBinding)</CODE></A> was not previously called
 for this instance, this method must return <code>null</code>.  If
 it was called, this method must return the exact
 <code>MethodBinding</code> instance that was passed to <A HREF="../../../javax/faces/component/ActionSource.html#setActionListener(javax.faces.el.MethodBinding)"><CODE>setActionListener(javax.faces.el.MethodBinding)</CODE></A>.</p>

 <p> The method to be invoked, if this <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> is
 activated by the user, will be called during the <em>Apply
 Request Values</em> or <em>Invoke Application</em> phase of the
 request processing lifecycle, depending upon the value of the
 <code>immediate</code> property.</p>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setActionListener(javax.faces.el.MethodBinding)"><!-- --></A><H3>
setActionListener</H3>
<PRE>
void <B>setActionListener</B>(<A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A>&nbsp;actionListener)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>This has been replaced by <A HREF="../../../javax/faces/component/ActionSource.html#addActionListener(javax.faces.event.ActionListener)"><CODE>addActionListener(javax.faces.event.ActionListener)</CODE></A>.</I>
<P>
<DD><p>Wrap the argument <code>actionListener</code> in an
 implementation of <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A>
 and store it in the internal data structure that backs the <A HREF="../../../javax/faces/component/ActionSource.html#getActionListeners()"><CODE>getActionListeners()</CODE></A> method, taking care to over-write any
 instance that was stored by a previous call to
 <code>setActionListener</code>.</p>

 <p>Any method referenced by such an expression must be public, with
 a return type of <code>void</code>, and accept a single parameter of
 type <code>ActionEvent</code>.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>actionListener</CODE> - The new method binding expression</DL>
</DD>
</DL>
<HR>

<A NAME="isImmediate()"><!-- --></A><H3>
isImmediate</H3>
<PRE>
boolean <B>isImmediate</B>()</PRE>
<DL>
<DD><p>Return a flag indicating that the default <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A>
 provided by the JavaServer Faces implementation should be executed
 immediately (that is, during <em>Apply Request Values</em> phase
 of the request processing lifecycle), rather than waiting until the
 <em>Invoke Application</em> phase.  The default value for this
 property must be <code>false</code>.</p>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setImmediate(boolean)"><!-- --></A><H3>
setImmediate</H3>
<PRE>
void <B>setImmediate</B>(boolean&nbsp;immediate)</PRE>
<DL>
<DD><p>Set the "immediate execution" flag for this <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>immediate</CODE> - The new immediate execution flag</DL>
</DD>
</DL>
<HR>

<A NAME="addActionListener(javax.faces.event.ActionListener)"><!-- --></A><H3>
addActionListener</H3>
<PRE>
void <B>addActionListener</B>(<A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event">ActionListener</A>&nbsp;listener)</PRE>
<DL>
<DD><p>Add a new <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A> to the set of listeners interested
 in being notified when <A HREF="../../../javax/faces/event/ActionEvent.html" title="class in javax.faces.event"><CODE>ActionEvent</CODE></A>s occur.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A> to be added
<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>listener</code>
  is <code>null</code></DL>
</DD>
</DL>
<HR>

<A NAME="getActionListeners()"><!-- --></A><H3>
getActionListeners</H3>
<PRE>
<A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event">ActionListener</A>[] <B>getActionListeners</B>()</PRE>
<DL>
<DD><p>Return the set of registered <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A>s for this
 <A HREF="../../../javax/faces/component/ActionSource.html" title="interface in javax.faces.component"><CODE>ActionSource</CODE></A> instance.  If there are no registered listeners,
 a zero-length array is returned.</p>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeActionListener(javax.faces.event.ActionListener)"><!-- --></A><H3>
removeActionListener</H3>
<PRE>
void <B>removeActionListener</B>(<A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event">ActionListener</A>&nbsp;listener)</PRE>
<DL>
<DD><p>Remove an existing <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A> (if any) from the set of
 listeners interested in being notified when <A HREF="../../../javax/faces/event/ActionEvent.html" title="class in javax.faces.event"><CODE>ActionEvent</CODE></A>s
 occur.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A> to be removed
<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>listener</code>
  is <code>null</code></DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>


<!-- ======= START OF BOTTOM NAVBAR ====== -->
<A NAME="navbar_bottom"><!-- --></A>
<A HREF="#skip-navbar_bottom" 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_bottom_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>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;PREV CLASS&nbsp;
&nbsp;<A HREF="../../../javax/faces/component/ActionSource2.html" title="interface in javax.faces.component"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
  <A HREF="../../../index.html?javax/faces/component/ActionSource.html" target="_top"><B>FRAMES</B></A>  &nbsp;
&nbsp;<A HREF="ActionSource.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->

<HR>
<font size="-1"><a href="http://java.sun.com/webapps/bugreport">Submit a bug or feature</a> <p>Copyright 2007 Sun Microsystems, Inc. All rights reserved. Use is subject to <a href="../legal/license.html" target="_top">license terms.</a></font>
</BODY>
</HTML>