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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>Marshaller (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.xml.bind.Marshaller interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Marshaller (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/MarshalException.html" title="class in javax.xml.bind"><B>PREV CLASS</B></A> <A HREF="../../../javax/xml/bind/Marshaller.Listener.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/Marshaller.html" target="_top"><B>FRAMES</B></A> <A HREF="Marshaller.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> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | 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.xml.bind</FONT><BR>Interface Marshaller</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../javax/xml/bind/helpers/AbstractMarshallerImpl.html" title="class in javax.xml.bind.helpers">AbstractMarshallerImpl</A></DD></DL><HR><DL><DT><PRE>public interface <B>Marshaller</B></DL></PRE><P><p> The <tt>Marshaller</tt> class is responsible for governing the process of serializing Java content trees back into XML data. It provides the basic marshalling methods: <p> <i>Assume the following setup code for all following code fragments:</i> <blockquote> <pre> JAXBContext jc = JAXBContext.newInstance( "com.acme.foo" ); Unmarshaller u = jc.createUnmarshaller(); Object element = u.unmarshal( new File( "foo.xml" ) ); Marshaller m = jc.createMarshaller(); </pre> </blockquote> <p> Marshalling to a File: <blockquote> <pre> OutputStream os = new FileOutputStream( "nosferatu.xml" ); m.marshal( element, os ); </pre> </blockquote> <p> Marshalling to a SAX ContentHandler: <blockquote> <pre> // assume MyContentHandler instanceof ContentHandler m.marshal( element, new MyContentHandler() ); </pre> </blockquote> <p> Marshalling to a DOM Node: <blockquote> <pre> DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setNamespaceAware(true); DocumentBuilder db = dbf.newDocumentBuilder(); Document doc = db.newDocument(); m.marshal( element, doc ); </pre> </blockquote> <p> Marshalling to a java.io.OutputStream: <blockquote> <pre> m.marshal( element, System.out ); </pre> </blockquote> <p> Marshalling to a java.io.Writer: <blockquote> <pre> m.marshal( element, new PrintWriter( System.out ) ); </pre> </blockquote> <p> Marshalling to a javax.xml.transform.SAXResult: <blockquote> <pre> // assume MyContentHandler instanceof ContentHandler SAXResult result = new SAXResult( new MyContentHandler() ); m.marshal( element, result ); </pre> </blockquote> <p> Marshalling to a javax.xml.transform.DOMResult: <blockquote> <pre> DOMResult result = new DOMResult(); m.marshal( element, result ); </pre> </blockquote> <p> Marshalling to a javax.xml.transform.StreamResult: <blockquote> <pre> StreamResult result = new StreamResult( System.out ); m.marshal( element, result ); </pre> </blockquote> <p> Marshalling to a javax.xml.stream.XMLStreamWriter: <blockquote> <pre> XMLStreamWriter xmlStreamWriter = XMLOutputFactory.newInstance().createXMLStreamWriter( ... ); m.marshal( element, xmlStreamWriter ); </pre> </blockquote> <p> Marshalling to a javax.xml.stream.XMLEventWriter: <blockquote> <pre> XMLEventWriter xmlEventWriter = XMLOutputFactory.newInstance().createXMLEventWriter( ... ); m.marshal( element, xmlEventWriter ); </pre> </blockquote> <p> <a name="elementMarshalling"></a> <b>Marshalling content tree rooted by a JAXB element</b><br> <blockquote> The first parameter of the overloaded <tt>Marshaller.marshal(java.lang.Object, ...)</tt> methods must be a JAXB element as computed by <A HREF="../../../javax/xml/bind/JAXBIntrospector.html#isElement(java.lang.Object)"><CODE>JAXBIntrospector.isElement(java.lang.Object)</CODE></A>; otherwise, a <tt>Marshaller.marshal</tt> method must throw a ⌨️ 快捷键说明
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