📄 actionsource.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>ActionSource (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.faces.component.ActionSource interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ActionSource (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" 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ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <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> <A HREF="ActionSource.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 | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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.component</FONT><BR>Interface ActionSource</H2><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../javax/faces/component/ActionSource2.html" title="interface in javax.faces.component">ActionSource2</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../javax/faces/component/html/HtmlCommandButton.html" title="class in javax.faces.component.html">HtmlCommandButton</A>, <A HREF="../../../javax/faces/component/html/HtmlCommandLink.html" title="class in javax.faces.component.html">HtmlCommandLink</A>, <A HREF="../../../javax/faces/component/UICommand.html" title="class in javax.faces.component">UICommand</A></DD></DL><HR><DL><DT><PRE>public interface <B>ActionSource</B></DL></PRE><P><p><strong>ActionSource</strong> is an interface that may be implemented by any concrete <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> that wishes to be a source of <A HREF="../../../javax/faces/event/ActionEvent.html" title="class in javax.faces.event"><CODE>ActionEvent</CODE></A>s, including the ability to invoke application actions via the default <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event"><CODE>ActionListener</CODE></A> mechanism.</p><P><P><HR><P><!-- ========== 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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/ActionSource.html#addActionListener(javax.faces.event.ActionListener)">addActionListener</A></B>(<A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event">ActionListener</A> listener)</CODE><BR> 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.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/ActionSource.html#getAction()">getAction</A></B>()</CODE><BR> <B>Deprecated.</B> <I>This has been replaced by <A HREF="../../../javax/faces/component/ActionSource2.html#getActionExpression()"><CODE>ActionSource2.getActionExpression()</CODE></A>.</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/ActionSource.html#getActionListener()">getActionListener</A></B>()</CODE><BR> <B>Deprecated.</B> <I>Use <A HREF="../../../javax/faces/component/ActionSource.html#getActionListeners()"><CODE>getActionListeners()</CODE></A> instead.</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event">ActionListener</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/faces/component/ActionSource.html#getActionListeners()">getActionListeners</A></B>()</CODE><BR> 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.</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/component/ActionSource.html#isImmediate()">isImmediate</A></B>()</CODE><BR> 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.</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/component/ActionSource.html#removeActionListener(javax.faces.event.ActionListener)">removeActionListener</A></B>(<A HREF="../../../javax/faces/event/ActionListener.html" title="interface in javax.faces.event">ActionListener</A> listener)</CODE><BR> 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.</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/component/ActionSource.html#setAction(javax.faces.el.MethodBinding)">setAction</A></B>(<A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A> action)</CODE><BR> <B>Deprecated.</B> <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></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/component/ActionSource.html#setActionListener(javax.faces.el.MethodBinding)">setActionListener</A></B>(<A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A> actionListener)</CODE><BR> <B>Deprecated.</B> <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></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/component/ActionSource.html#setImmediate(boolean)">setImmediate</A></B>(boolean immediate)</CODE><BR> Set the "immediate execution" flag for this <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>.</TD></TR></TABLE> <P><!-- ============ 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="getAction()"><!-- --></A><H3>getAction</H3><PRE><A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A> <B>getAction</B>()</PRE><DL><DD><B>Deprecated.</B> <I>This has been replaced by <A HREF="../../../javax/faces/component/ActionSource2.html#getActionExpression()"><CODE>ActionSource2.getActionExpression()</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 call through to <A HREF="../../../javax/faces/component/ActionSource2.html#getActionExpression()"><CODE>ActionSource2.getActionExpression()</CODE></A> and examine the result. If the result came from a previous call to <A HREF="../../../javax/faces/component/ActionSource.html#setAction(javax.faces.el.MethodBinding)"><CODE>setAction(javax.faces.el.MethodBinding)</CODE></A>, extract the <code>MethodBinding</code> from it and return it. Otherwise, wrap the returned <A HREF="../../../javax/el/MethodExpression.html" title="class in javax.el"><CODE>MethodExpression</CODE></A> in a <code>MethodBinding</code> implementation, and return it.</p> <p>If the implementing class does not implement <code>ActionSource2</code>, return the <A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el"><CODE>MethodBinding</CODE></A>pointing at the application action to be invoked,⌨️ 快捷键说明
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