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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 05:47:08 PST 2008 --><TITLE>javax.faces.component (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.faces.component package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="javax.faces.component (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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</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/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../../javax/faces/component/html/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javax/faces/component/package-summary.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.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></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>Package javax.faces.component</H2>Fundamental APIs for user interface components.<P><B>See:</B><BR> <A HREF="#package_description"><B>Description</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Interface Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/ActionSource.html" title="interface in javax.faces.component">ActionSource</A></B></TD><TD><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.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/ActionSource2.html" title="interface in javax.faces.component">ActionSource2</A></B></TD><TD><strong>ActionSource2</strong> extends <A HREF="../../../javax/faces/component/ActionSource.html" title="interface in javax.faces.component"><CODE>ActionSource</CODE></A> and provides a JavaBeans property analogous to the "<code>action</code>" property on <code>ActionSource</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/ContextCallback.html" title="interface in javax.faces.component">ContextCallback</A></B></TD><TD>A simple callback interace that enables taking action on a specific UIComponent (either facet or child) in the view while preserving any contextual state for that component instance in the view.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/EditableValueHolder.html" title="interface in javax.faces.component">EditableValueHolder</A></B></TD><TD><strong>EditableValueHolder</strong> is an extension of ValueHolder that describes additional features supported by editable components, including <A HREF="../../../javax/faces/event/ValueChangeEvent.html" title="class in javax.faces.event"><CODE>ValueChangeEvent</CODE></A>s and <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A>s.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/NamingContainer.html" title="interface in javax.faces.component">NamingContainer</A></B></TD><TD><strong>NamingContainer</strong> is an interface that must be implemented by any <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> that wants to be a naming container.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/StateHolder.html" title="interface in javax.faces.component">StateHolder</A></B></TD><TD>This interface is implemented by classes that need to save their state between requests.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/ValueHolder.html" title="interface in javax.faces.component">ValueHolder</A></B></TD><TD><strong>ValueHolder</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 support a local value, as well as access data in the model tier via a <em>value expression</em>, and support conversion between String and the model tier data's native data type.</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/UIColumn.html" title="class in javax.faces.component">UIColumn</A></B></TD><TD><strong>UIColumn</strong> is a <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> that represents a single column of data within a parent <A HREF="../../../javax/faces/component/UIData.html" title="class in javax.faces.component"><CODE>UIData</CODE></A> component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/UICommand.html" title="class in javax.faces.component">UICommand</A></B></TD><TD><strong>UICommand</strong> is a <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A> that represents a user interface component which, when activated by the user, triggers an application specific "command" or "action".</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component">UIComponent</A></B></TD><TD><strong>UIComponent</strong> is the base class for all user interface components in JavaServer Faces.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../javax/faces/component/UIComponentBase.html" title="class in javax.faces.component">UIComponentBase</A></B></TD><TD><strong>UIComponentBase</strong> is a convenience base class that implements the default concrete behavior of all methods defined by <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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