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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>MessageSender (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.endpoint.MessageSender interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="MessageSender (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/MessageSender.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/endpoint/MessageReceiver.html" title="interface in net.jxta.endpoint"><B>PREV CLASS</B></A> <A HREF="../../../net/jxta/endpoint/MessageTransport.html" title="interface in net.jxta.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="MessageSender.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 | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | 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">net.jxta.endpoint</FONT><BR>Interface MessageSender</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../../net/jxta/endpoint/MessageTransport.html" title="interface in net.jxta.endpoint">MessageTransport</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../net/jxta/impl/endpoint/cbjx/CbJxTransport.html" title="class in net.jxta.impl.endpoint.cbjx">CbJxTransport</A>, <A HREF="../../../net/jxta/impl/endpoint/router/EndpointRouter.html" title="class in net.jxta.impl.endpoint.router">EndpointRouter</A>, <A HREF="../../../net/jxta/impl/endpoint/servlethttp/HttpMessageSender.html" title="class in net.jxta.impl.endpoint.servlethttp">HttpMessageSender</A>, <A HREF="../../../net/jxta/impl/endpoint/relay/RelayServer.html" title="class in net.jxta.impl.endpoint.relay">RelayServer</A>, <A HREF="../../../net/jxta/impl/endpoint/tcp/TcpTransport.html" title="class in net.jxta.impl.endpoint.tcp">TcpTransport</A>, <A HREF="../../../net/jxta/impl/endpoint/tls/TlsTransport.html" title="class in net.jxta.impl.endpoint.tls">TlsTransport</A></DD></DL><HR><DL><DT>public interface <B>MessageSender</B><DT>extends <A HREF="../../../net/jxta/endpoint/MessageTransport.html" title="interface in net.jxta.endpoint">MessageTransport</A></DL><P>A MessageSender is a MessageTransport that is able to send messages to remote peers using some protocol. MessageSenders provide facilities for: <p/><ul> <li>Determining point-to-point connectivity (ping)</li> <li>Sending point-to-point (unicast) messages</li> <li>Sending propagated (multicast) messages</li> </ul> <p/>MessageSenders additionally describe themselves in terms of their abilities. <A HREF="../../../net/jxta/endpoint/MessageSender.html#isConnectionOriented()"><CODE>isConnectionOriented()</CODE></A> indicates that the MessageTransport can provide effcient transport of a series of messages to the same destination. {link@ #allowRouting()} indicates if the Transport should be used in the routing of messages to destinations which are not directly reachable via this transport.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../net/jxta/endpoint/MessageTransport.html" title="interface in net.jxta.endpoint"><CODE>MessageTransport</CODE></A>, <A HREF="../../../net/jxta/endpoint/EndpointMessenger.html" title="interface in net.jxta.endpoint"><CODE>EndpointMessenger</CODE></A>, <A HREF="../../../net/jxta/endpoint/EndpointService.html" title="interface in net.jxta.endpoint"><CODE>EndpointService</CODE></A>, <A HREF="../../../net/jxta/endpoint/MessageReceiver.html" title="interface in net.jxta.endpoint"><CODE>MessageReceiver</CODE></A>, <A HREF="../../../net/jxta/endpoint/Message.html" title="class in net.jxta.endpoint"><CODE>Message</CODE></A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== 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/endpoint/MessageSender.html#allowsRouting()">allowsRouting</A></B>()</CODE><BR> Returns true if the endpoint protocol can be used by the EndpointRouter. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../net/jxta/endpoint/Messenger.html" title="interface in net.jxta.endpoint">Messenger</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/endpoint/MessageSender.html#getMessenger(net.jxta.endpoint.EndpointAddress, java.lang.Object)">getMessenger</A></B>(<A HREF="../../../net/jxta/endpoint/EndpointAddress.html" title="class in net.jxta.endpoint">EndpointAddress</A> dest, java.lang.Object hint)</CODE><BR> Creates an <A HREF="../../../net/jxta/endpoint/EndpointMessenger.html" title="interface in net.jxta.endpoint"><CODE>EndpointMessenger</CODE></A> for sending messages to the specified destination <A HREF="../../../net/jxta/endpoint/EndpointAddress.html" title="class in net.jxta.endpoint"><CODE>EndpointAddress</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../net/jxta/endpoint/EndpointAddress.html" title="class in net.jxta.endpoint">EndpointAddress</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/endpoint/MessageSender.html#getPublicAddress()">getPublicAddress</A></B>()</CODE><BR> Returns the <A HREF="../../../net/jxta/endpoint/EndpointAddress.html" title="class in net.jxta.endpoint"><CODE>EndpointAddress</CODE></A> which will be used as the source address for all messages sent by this message sender. </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/endpoint/MessageSender.html#isConnectionOriented()">isConnectionOriented</A></B>()</CODE><BR> Returns true if the endpoint protocol can establish connection to the remote host (like TCP).</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/endpoint/MessageSender.html#ping(net.jxta.endpoint.EndpointAddress)">ping</A></B>(<A HREF="../../../net/jxta/endpoint/EndpointAddress.html" title="class in net.jxta.endpoint">EndpointAddress</A> addr)</CODE><BR> Returns true if the target address is reachable via this Message Transport otherwise returns false.</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/endpoint/MessageSender.html#propagate(net.jxta.endpoint.Message, java.lang.String, java.lang.String, java.lang.String)">propagate</A></B>(<A HREF="../../../net/jxta/endpoint/Message.html" title="class in net.jxta.endpoint">Message</A> msg, java.lang.String serviceName, java.lang.String serviceParams, java.lang.String prunePeer)</CODE><BR> Propagates a Message on this EndpointProtocol.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_net.jxta.endpoint.MessageTransport"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from interface net.jxta.endpoint.<A HREF="../../../net/jxta/endpoint/MessageTransport.html" title="interface in net.jxta.endpoint">MessageTransport</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../net/jxta/endpoint/MessageTransport.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../net/jxta/endpoint/MessageTransport.html#getEndpointService()">getEndpointService</A>, <A HREF="../../../net/jxta/endpoint/MessageTransport.html#getProtocolName()">getProtocolName</A>, <A HREF="../../../net/jxta/endpoint/MessageTransport.html#hashCode()">hashCode</A>, <A HREF="../../../net/jxta/endpoint/MessageTransport.html#transportControl(java.lang.Object, java.lang.Object)">transportControl</A></CODE></TD></TR></TABLE> ?? 快捷鍵說明
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