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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 1.4.2_02) on Thu Nov 13 17:20:37 PST 2003 --><TITLE>Handler (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.xml.rpc.handler.Handler interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Handler (Java 2 Platform Ent. 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Ed. v1.4</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../../javax/xml/rpc/handler/HandlerChain.html" title="interface in javax.xml.rpc.handler"><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="Handler.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">javax.xml.rpc.handler</FONT><BR>Interface Handler</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../javax/xml/rpc/handler/GenericHandler.html" title="class in javax.xml.rpc.handler">GenericHandler</A></DD></DL><HR><DL><DT>public interface <B>Handler</B></DL><P>The <code>javax.xml.rpc.handler.Handler</code> interface is required to be implemented by a SOAP message handler. The <code>handleRequest</code>, <code>handleResponse</code> and <code>handleFault</code> methods for a SOAP message handler get access to the <code>SOAPMessage</code> from the <code>SOAPMessageContext</code>. The implementation of these methods can modify the <code>SOAPMessage</code> including the headers and body elements.<P><P><DL><DT><B>Version:</B></DT> <DD>1.0</DD><DT><B>Author:</B></DT> <DD>Rahul Sharma</DD></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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../javax/xml/rpc/handler/Handler.html#destroy()">destroy</A></B>()</CODE><BR> The <code>destroy</code> method indicates the end of lifecycle for a Handler instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../javax/xml/namespace/QName.html" title="class in javax.xml.namespace">QName</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../javax/xml/rpc/handler/Handler.html#getHeaders()">getHeaders</A></B>()</CODE><BR> Gets the header blocks that can be processed by this Handler instance.</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="../../../../javax/xml/rpc/handler/Handler.html#handleFault(javax.xml.rpc.handler.MessageContext)">handleFault</A></B>(<A HREF="../../../../javax/xml/rpc/handler/MessageContext.html" title="interface in javax.xml.rpc.handler">MessageContext</A> context)</CODE><BR> The <code>handleFault</code> method processes the SOAP faults based on the SOAP message processing model.</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="../../../../javax/xml/rpc/handler/Handler.html#handleRequest(javax.xml.rpc.handler.MessageContext)">handleRequest</A></B>(<A HREF="../../../../javax/xml/rpc/handler/MessageContext.html" title="interface in javax.xml.rpc.handler">MessageContext</A> context)</CODE><BR> The <code>handleRequest</code> method processes the request message.</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="../../../../javax/xml/rpc/handler/Handler.html#handleResponse(javax.xml.rpc.handler.MessageContext)">handleResponse</A></B>(<A HREF="../../../../javax/xml/rpc/handler/MessageContext.html" title="interface in javax.xml.rpc.handler">MessageContext</A> context)</CODE><BR> The <code>handleResponse</code> method processes the response SOAP message.</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="../../../../javax/xml/rpc/handler/Handler.html#init(javax.xml.rpc.handler.HandlerInfo)">init</A></B>(<A HREF="../../../../javax/xml/rpc/handler/HandlerInfo.html" title="class in javax.xml.rpc.handler">HandlerInfo</A> config)</CODE><BR> The <code>init</code> method enables the Handler instance to initialize itself. </TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="handleRequest(javax.xml.rpc.handler.MessageContext)"><!-- --></A><H3>handleRequest</H3><PRE>public boolean <B>handleRequest</B>(<A HREF="../../../../javax/xml/rpc/handler/MessageContext.html" title="interface in javax.xml.rpc.handler">MessageContext</A> context)</PRE><DL><DD>The <code>handleRequest</code> method processes the request message.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>context</CODE> - <code>MessageContext</code> parameter provides access to the request message.<DT><B>Returns:</B><DD>boolean Indicates the processing mode <UL> <LI>Return <code>true</code> to indicate continued processing of the request handler chain. The <code>HandlerChain</code> takes the responsibility of invoking the next entity. The next entity may be the next handler in the <code>HandlerChain</code> or if this handler is the last handler in the chain, the next entity is the service endpoint object. <LI>Return <code>false</code> to indicate blocking of the request handler chain. In this case, further processing of the request handler chain is blocked and the target service endpoint is not dispatched. The JAX-RPC runtime system takes the responsibility of invoking the response handler chain next with the SOAPMessageContext. The Handler implementation class has the the responsibility of setting the appropriate response SOAP message in either handleRequest and/or handleResponse method. In the default processing⌨️ 快捷键说明
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