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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 05:46:59 PST 2008 --><TITLE>XmlAnyElement (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.xml.bind.annotation.XmlAnyElement class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="XmlAnyElement (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/annotation/XmlAnyAttribute.html" title="annotation in javax.xml.bind.annotation"><B>PREV CLASS</B></A> <A HREF="../../../../javax/xml/bind/annotation/XmlAttachmentRef.html" title="annotation in javax.xml.bind.annotation"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?javax/xml/bind/annotation/XmlAnyElement.html" target="_top"><B>FRAMES</B></A> <A HREF="XmlAnyElement.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: REQUIRED | <A HREF="#annotation_type_optional_element_summary">OPTIONAL</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#annotation_type_element_detail">ELEMENT</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.annotation</FONT><BR>Annotation Type XmlAnyElement</H2><HR><DL><DT><PRE><FONT SIZE="-1"><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/annotation/Retention.html" title="class or interface in java.lang.annotation">@Retention</A>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/annotation/Retention.html#value()" title="class or interface in java.lang.annotation">value</A>=<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/annotation/RetentionPolicy.html#RUNTIME" title="class or interface in java.lang.annotation">RUNTIME</A>)<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/annotation/Target.html" title="class or interface in java.lang.annotation">@Target</A>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/annotation/Target.html#value()" title="class or interface in java.lang.annotation">value</A>={<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/annotation/ElementType.html#FIELD" title="class or interface in java.lang.annotation">FIELD</A>,<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/annotation/ElementType.html#METHOD" title="class or interface in java.lang.annotation">METHOD</A>})</FONT>public @interface <B>XmlAnyElement</B></DL></PRE><P>Maps a JavaBean property to XML infoset representation and/or JAXB element. <p> This annotation serves as a "catch-all" property while unmarshalling xml content into a instance of a JAXB annotated class. It typically annotates a multi-valued JavaBean property, but it can occur on single value JavaBean property. During unmarshalling, each xml element that does not match a static @XmlElement or @XmlElementRef annotation for the other JavaBean properties on the class, is added to this "catch-all" property. <p> <h2>Usages:</h2> <pre> @XmlAnyElement public <A HREF="http://java.sun.com/j2se/1.5/docs/api/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom"><CODE>Element</CODE></A>[] others; // Collection of <A HREF="http://java.sun.com/j2se/1.5/docs/api/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom"><CODE>Element</CODE></A> or JAXB elements. @XmlAnyElement(lax="true") public <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang"><CODE>Object</CODE></A>[] others; @XmlAnyElement private List<<A HREF="http://java.sun.com/j2se/1.5/docs/api/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom"><CODE>Element</CODE></A>> nodes; @XmlAnyElement private <A HREF="http://java.sun.com/j2se/1.5/docs/api/org/w3c/dom/Element.html" title="class or interface in org.w3c.dom"><CODE>Element</CODE></A> node; </pre> <h2>Restriction usage constraints</h2> <p> This annotation is mutually exclusive with <A HREF="../../../../javax/xml/bind/annotation/XmlElement.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlElement</CODE></A>, <A HREF="../../../../javax/xml/bind/annotation/XmlAttribute.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlAttribute</CODE></A>, <A HREF="../../../../javax/xml/bind/annotation/XmlValue.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlValue</CODE></A>, <A HREF="../../../../javax/xml/bind/annotation/XmlElements.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlElements</CODE></A>, <A HREF="../../../../javax/xml/bind/annotation/XmlID.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlID</CODE></A>, and <A HREF="../../../../javax/xml/bind/annotation/XmlIDREF.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlIDREF</CODE></A>. <p> There can be only one <A HREF="../../../../javax/xml/bind/annotation/XmlAnyElement.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlAnyElement</CODE></A> annotated JavaBean property in a class and its super classes. <h2>Relationship to other annotations</h2> <p> This annotation can be used with <A HREF="../../../../javax/xml/bind/annotation/adapters/XmlJavaTypeAdapter.html" title="annotation in javax.xml.bind.annotation.adapters"><CODE>XmlJavaTypeAdapter</CODE></A>, so that users can map their own data structure to DOM, which in turn can be composed into XML. <p> This annotation can be used with <A HREF="../../../../javax/xml/bind/annotation/XmlMixed.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlMixed</CODE></A> like this: <pre> // List of java.lang.String or DOM nodes. @XmlAnyElement @XmlMixed List<Object> others; </pre> <h2>Schema To Java example</h2> The following schema would produce the following Java class: <pre><xmp> <xs:complexType name="foo"> <xs:sequence> <xs:element name="a" type="xs:int" /> <xs:element name="b" type="xs:int" /> <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" /> </xs:sequence> </xs:complexType> </xmp></pre> <pre> class Foo { int a; int b; @<A HREF="../../../../javax/xml/bind/annotation/XmlAnyElement.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlAnyElement</CODE></A> List<Element> any; } </pre> It can unmarshal instances like <pre><xmp> <foo xmlns:e="extra"> <a>1</a> <e:other /> // this will be bound to DOM, because unmarshalling is orderless <b>3</b> <e:other /> <c>5</c> // this will be bound to DOM, because the annotation doesn't remember namespaces. </foo> </xmp></pre> The following schema would produce the following Java class: <pre><xmp> <xs:complexType name="bar"> <xs:complexContent> <xs:extension base="foo"> <xs:sequence> <xs:element name="c" type="xs:int" /> <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" /> </xs:sequence> </xs:extension> </xs:complexType> </xmp></pre> <pre><xmp> class Bar extends Foo { int c; // Foo.getAny() also represents wildcard content for type definition bar. } </xmp></pre> It can unmarshal instances like <pre><xmp> <bar xmlns:e="extra"> <a>1</a> <e:other /> // this will be bound to DOM, because unmarshalling is orderless <b>3</b> <e:other /> <c>5</c> // this now goes to Bar.c <e:other /> // this will go to Foo.any </bar> </xmp></pre> <h2>Using <A HREF="../../../../javax/xml/bind/annotation/XmlAnyElement.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlAnyElement</CODE></A> with <A HREF="../../../../javax/xml/bind/annotation/XmlElementRef.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlElementRef</CODE></A></h2> <p> The <A HREF="../../../../javax/xml/bind/annotation/XmlAnyElement.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlAnyElement</CODE></A> annotation can be used with <A HREF="../../../../javax/xml/bind/annotation/XmlElementRef.html" title="annotation in javax.xml.bind.annotation"><CODE>XmlElementRef</CODE></A>s to designate additional elements that can participate in the content tree. <p> The following schema would produce the following Java class: <pre><xmp> <xs:complexType name="foo"> <xs:choice maxOccurs="unbounded" minOccurs="0">⌨️ 快捷键说明
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