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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><TITLE>JxtaMessageMessageElement (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.impl.endpoint.JxtaMessageMessageElement class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="JxtaMessageMessageElement (Project JXTA J2SE)";}</SCRIPT></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=3 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="class-use/JxtaMessageMessageElement.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </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><a href='http://www.jxta.org' target='_blank'>Project JXTA</a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../net/jxta/impl/endpoint/IPUtils.html" title="class in net.jxta.impl.endpoint"><B>PREV CLASS</B></A> <A HREF="../../../../net/jxta/impl/endpoint/LoopbackMessenger.html" title="class in net.jxta.impl.endpoint"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="JxtaMessageMessageElement.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: NESTED | <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">net.jxta.impl.endpoint</FONT><BR>Class JxtaMessageMessageElement</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../net/jxta/endpoint/MessageElement.html" title="class in net.jxta.endpoint">net.jxta.endpoint.MessageElement</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>net.jxta.impl.endpoint.JxtaMessageMessageElement</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../net/jxta/document/Document.html" title="interface in net.jxta.document">Document</A></DD></DL><HR><DL><DT>public class <B>JxtaMessageMessageElement</B><DT>extends <A HREF="../../../../net/jxta/endpoint/MessageElement.html" title="class in net.jxta.endpoint">MessageElement</A></DL><P>A Message Element using a JXTA Message as the element data<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../../net/jxta/endpoint/Message.html" title="class in net.jxta.endpoint"><CODE>Message</CODE></A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html" title="class in net.jxta.endpoint"><CODE>MessageElement</CODE></A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../net/jxta/endpoint/Message.html" title="class in net.jxta.endpoint">Message</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#msg">msg</A></B></CODE><BR> The Message which is the data for this message element.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../net/jxta/impl/endpoint/WireFormatMessage.html" title="interface in net.jxta.impl.endpoint">WireFormatMessage</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#serial">serial</A></B></CODE><BR> A serialized form of the message.</TD></TR></TABLE> <A NAME="fields_inherited_from_class_net.jxta.endpoint.MessageElement"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class net.jxta.endpoint.<A HREF="../../../../net/jxta/endpoint/MessageElement.html" title="class in net.jxta.endpoint">MessageElement</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../net/jxta/endpoint/MessageElement.html#cachedGetByteLength">cachedGetByteLength</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#cachedGetBytes">cachedGetBytes</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#cachedToString">cachedToString</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#name">name</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#properties">properties</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#sig">sig</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#type">type</A></CODE></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"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#JxtaMessageMessageElement(java.lang.String, net.jxta.document.MimeMediaType, net.jxta.endpoint.Message, net.jxta.endpoint.MessageElement)">JxtaMessageMessageElement</A></B>(java.lang.String name, <A HREF="../../../../net/jxta/document/MimeMediaType.html" title="class in net.jxta.document">MimeMediaType</A> type, <A HREF="../../../../net/jxta/endpoint/Message.html" title="class in net.jxta.endpoint">Message</A> msg, <A HREF="../../../../net/jxta/endpoint/MessageElement.html" title="class in net.jxta.endpoint">MessageElement</A> sig)</CODE><BR> Create a new Message Element. </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object target)</CODE><BR> <p/>Elements are considered equal if they have the same name, type and signatures. Element data is not considered by this implementation as it is mostly intended for subclass use.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#getByteLength()">getByteLength</A></B>()</CODE><BR> Returns the size of the element data in bytes.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> byte[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#getBytes()">getBytes</A></B>()</CODE><BR> {@inheritDoc}</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> byte[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#getBytes(boolean)">getBytes</A></B>(boolean copy)</CODE><BR> Returns a byte array which contains the element data. The byte array returned <b>may be shared amongst all copies of the element</b>, do not modify it. The <code>copy</code> parameter allows you to request a private, modifiable copy of the element data. <p/>This implementation builds the byte array from the stream.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../net/jxta/endpoint/Message.html" title="class in net.jxta.endpoint">Message</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#getMessage()">getMessage</A></B>()</CODE><BR> Returns the message which backs this element. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.io.InputStream</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#getStream()">getStream</A></B>()</CODE><BR> Returns the stream of bytes which represents the content of this <code>Document</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#hashCode()">hashCode</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#sendToStream(java.io.OutputStream)">sendToStream</A></B>(java.io.OutputStream sendTo)</CODE><BR> Send the contents of this <code>Document</code> to the specified stream. <p/>This version probably has sub-optimal performance. Sub-classes should override this implementation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/endpoint/JxtaMessageMessageElement.html#toString()">toString</A></B>()</CODE><BR> <p/>Returns a String representation of the element data. The <code>'charset'</code> parameter of the message element's mimetype, if any, is used to determine encoding. If the charset specified is unsupported then the default enconding will be used. <p/>synchronized for caching purposes.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_net.jxta.endpoint.MessageElement"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class net.jxta.endpoint.<A HREF="../../../../net/jxta/endpoint/MessageElement.html" title="class in net.jxta.endpoint">MessageElement</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../net/jxta/endpoint/MessageElement.html#clone()">clone</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#copyInputStreamToOutputStream(java.io.InputStream, java.io.OutputStream)">copyInputStreamToOutputStream</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#getElementName()">getElementName</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#getElementProperty(java.lang.Object)">getElementProperty</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#getFileExtension()">getFileExtension</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#getMimeType()">getMimeType</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#getSequentialName()">getSequentialName</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#getSignature()">getSignature</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#getUniqueName()">getUniqueName</A>, <A HREF="../../../../net/jxta/endpoint/MessageElement.html#setElementProperty(java.lang.Object, java.lang.Object)">setElementProperty</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Field Detail</B></FONT></TD>⌨️ 快捷键说明
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