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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 05:46:58 PST 2008 --><TITLE>JAXBElement (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.xml.bind.JAXBElement class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="JAXBElement (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="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></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/xml/bind/JAXBContext.html" title="class in javax.xml.bind"><B>PREV CLASS</B></A> <A HREF="../../../javax/xml/bind/JAXBElement.GlobalScope.html" title="class in javax.xml.bind"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javax/xml/bind/JAXBElement.html" target="_top"><B>FRAMES</B></A> <A HREF="JAXBElement.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: <A HREF="#nested_class_summary">NESTED</A> | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <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.xml.bind</FONT><BR>Class JAXBElement<T></H2><PRE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>javax.xml.bind.JAXBElement<T></B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DD></DL><HR><DL><DT><PRE>public class <B>JAXBElement<T></B><DT>extends <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DL></PRE><P><p>JAXB representation of an Xml Element.</p> <p>This class represents information about an Xml Element from both the element declaration within a schema and the element instance value within an xml document with the following properties <ul> <li>element's xml tag <b><tt>name</tt></b></li> <li><b><tt>value</tt></b> represents the element instance's atttribute(s) and content model</li> <li>element declaration's <b><tt>declaredType</tt></b> (<tt>xs:element @type</tt> attribute)</li> <li><b><tt>scope</tt></b> of element declaration</li> <li>boolean <b><tt>nil</tt></b> property. (element instance's <tt><b>xsi:nil</b></tt> attribute)</li> </ul> <p>The <tt>declaredType</tt> and <tt>scope</tt> property are the JAXB class binding for the xml type definition. </p> <p><b><tt>Scope</tt></b> is either <A HREF="../../../javax/xml/bind/JAXBElement.GlobalScope.html" title="class in javax.xml.bind"><CODE>JAXBElement.GlobalScope</CODE></A> or the Java class representing the complex type definition containing the schema element declaration. </p> <p>There is a property constraint that if <b><tt>value</tt></b> is <tt>null</tt>, then <tt>nil</tt> must be <tt>true</tt>. The converse is not true to enable representing a nil element with attribute(s). If <tt>nil</tt> is true, it is possible that <tt>value</tt> is non-null so it can hold the value of the attributes associated with a nil element. </p><P><P><DL><DT><B>Since:</B></DT> <DD>JAXB 2.0</DD><DT><B>Author:</B></DT> <DD>Kohsuke Kawaguchi, Joe Fialli</DD><DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#javax.xml.bind.JAXBElement">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_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>Nested Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/bind/JAXBElement.GlobalScope.html" title="class in javax.xml.bind">JAXBElement.GlobalScope</A></B></CODE><BR> Designates global scope for an xml element.</TD></TR></TABLE> <!-- =========== FIELD SUMMARY =========== --><A NAME="field_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>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A><<A HREF="../../../javax/xml/bind/JAXBElement.html" title="type parameter in JAXBElement">T</A>></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/bind/JAXBElement.html#declaredType">declaredType</A></B></CODE><BR> Java datatype binding for xml element declaration's type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="http://java.sun.com/j2se/1.5/docs/api/javax/xml/namespace/QName.html" title="class or interface in javax.xml.namespace">QName</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/bind/JAXBElement.html#name">name</A></B></CODE><BR> xml element tag name</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/bind/JAXBElement.html#nil">nil</A></B></CODE><BR> true iff the xml element instance has xsi:nil="true".</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/bind/JAXBElement.html#scope">scope</A></B></CODE><BR> Scope of xml element declaration representing this xml element instance.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../javax/xml/bind/JAXBElement.html" title="type parameter in JAXBElement">T</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/bind/JAXBElement.html#value">value</A></B></CODE><BR> xml element value.</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_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>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/xml/bind/JAXBElement.html#JAXBElement(javax.xml.namespace.QName, java.lang.Class, java.lang.Class, T)">JAXBElement</A></B>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/javax/xml/namespace/QName.html" title="class or interface in javax.xml.namespace">QName</A> name, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A><<A HREF="../../../javax/xml/bind/JAXBElement.html" title="type parameter in JAXBElement">T</A>> declaredType, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> scope, <A HREF="../../../javax/xml/bind/JAXBElement.html" title="type parameter in JAXBElement">T</A> value)</CODE><BR> Construct an xml element instance.</TD></TR>⌨️ 快捷键说明
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