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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 05:47:07 PST 2008 --><TITLE>javax.el (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.el package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="javax.el (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/ejb/spi/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../javax/enterprise/deploy/model/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?javax/el/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.el</H2>Provides the API for the <strong>Unified Expression Language</strong> shared bythe JSP 2.1 and JSF 1.2 technologies.<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/el/ELContextListener.html" title="interface in javax.el">ELContextListener</A></B></TD><TD>The listener interface for receiving notification when an <A HREF="../../javax/el/ELContext.html" title="class in javax.el"><CODE>ELContext</CODE></A> is created.</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/el/ArrayELResolver.html" title="class in javax.el">ArrayELResolver</A></B></TD><TD>Defines property resolution behavior on arrays.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/BeanELResolver.html" title="class in javax.el">BeanELResolver</A></B></TD><TD>Defines property resolution behavior on objects using the JavaBeans component architecture.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/BeanELResolver.BeanProperties.html" title="class in javax.el">BeanELResolver.BeanProperties</A></B></TD><TD> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/BeanELResolver.BeanProperty.html" title="class in javax.el">BeanELResolver.BeanProperty</A></B></TD><TD> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/CompositeELResolver.html" title="class in javax.el">CompositeELResolver</A></B></TD><TD>Maintains an ordered composite list of child <code>ELResolver</code>s.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ELContext.html" title="class in javax.el">ELContext</A></B></TD><TD>Context information for expression evaluation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ELContextEvent.html" title="class in javax.el">ELContextEvent</A></B></TD><TD>An event which indicates that an <A HREF="../../javax/el/ELContext.html" title="class in javax.el"><CODE>ELContext</CODE></A> has been created.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ELResolver.html" title="class in javax.el">ELResolver</A></B></TD><TD>Enables customization of variable and property resolution behavior for EL expression evaluation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/Expression.html" title="class in javax.el">Expression</A></B></TD><TD>Base class for the expression subclasses <A HREF="../../javax/el/ValueExpression.html" title="class in javax.el"><CODE>ValueExpression</CODE></A> and <A HREF="../../javax/el/MethodExpression.html" title="class in javax.el"><CODE>MethodExpression</CODE></A>, implementing characterstics common to both.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ExpressionFactory.html" title="class in javax.el">ExpressionFactory</A></B></TD><TD> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/FunctionMapper.html" title="class in javax.el">FunctionMapper</A></B></TD><TD>The interface to a map between EL function names and methods.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ListELResolver.html" title="class in javax.el">ListELResolver</A></B></TD><TD>Defines property resolution behavior on instances of <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/util/List.html" title="class or interface in java.util"><CODE>List</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/MapELResolver.html" title="class in javax.el">MapELResolver</A></B></TD><TD>Defines property resolution behavior on instances of <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/util/Map.html" title="class or interface in java.util"><CODE>Map</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/MethodExpression.html" title="class in javax.el">MethodExpression</A></B></TD><TD>An <code>Expression</code> that refers to a method on an object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/MethodInfo.html" title="class in javax.el">MethodInfo</A></B></TD><TD>Holds information about a method that a <A HREF="../../javax/el/MethodExpression.html" title="class in javax.el"><CODE>MethodExpression</CODE></A> evaluated to.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ResourceBundleELResolver.html" title="class in javax.el">ResourceBundleELResolver</A></B></TD><TD>Defines property resolution behavior on instances of <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/util/ResourceBundle.html" title="class or interface in java.util"><CODE>ResourceBundle</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ValueExpression.html" title="class in javax.el">ValueExpression</A></B></TD><TD>An <code>Expression</code> that can get or set a value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/VariableMapper.html" title="class in javax.el">VariableMapper</A></B></TD><TD>The interface to a map between EL variables and the EL expressions they are associated with.</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>Exception Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/ELException.html" title="class in javax.el">ELException</A></B></TD><TD>Represents any of the exception conditions that can arise during expression evaluation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/MethodNotFoundException.html" title="class in javax.el">MethodNotFoundException</A></B></TD><TD>Thrown when a method could not be found while evaluating a <A HREF="../../javax/el/MethodExpression.html" title="class in javax.el"><CODE>MethodExpression</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/PropertyNotFoundException.html" title="class in javax.el">PropertyNotFoundException</A></B></TD><TD>Thrown when a property could not be found while evaluating a <A HREF="../../javax/el/ValueExpression.html" title="class in javax.el"><CODE>ValueExpression</CODE></A> or <A HREF="../../javax/el/MethodExpression.html" title="class in javax.el"><CODE>MethodExpression</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/el/PropertyNotWritableException.html" title="class in javax.el">PropertyNotWritableException</A></B></TD><TD>Thrown when a property could not be written to while setting the value on a <A HREF="../../javax/el/ValueExpression.html" title="class in javax.el"><CODE>ValueExpression</CODE></A>.</TD></TR></TABLE> <P><A NAME="package_description"><!-- --></A><H2>Package javax.el Description</H2><P>Provides the API for the <strong>Unified Expression Language</strong> shared bythe JSP 2.1 and JSF 1.2 technologies.<p>The Expression Language (EL) is a simple language designed to satisfythe specific needs of web application developers. 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