1/*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 * questions.
24 */
25
26package com.sun.xml.internal.ws.api.handler;
27
28import javax.xml.ws.handler.Handler;
29import javax.xml.namespace.QName;
30import java.util.Set;
31
32
33/**
34 * The <code>MessageHandler</code> class extends <code>Handler</code>
35 * to provide typesafety for the message context parameter and add a method
36 * to obtain access to the headers that may be processed by the handler.
37 * Its provides similar functionality as a SOAPHandler but provides RI's
38 * Message in the MessageContext.
39 *
40 * @author Rama Pulavarthi
41 * @since JAX-WS 2.1.3
42 */
43public interface MessageHandler<C extends MessageHandlerContext> extends Handler<C> {
44
45
46   /** Gets the header blocks that can be processed by this Handler
47   *  instance.
48   *
49   *  @return Set of <code>QNames</code> of header blocks processed by this
50   *           handler instance. <code>QName</code> is the qualified
51   *           name of the outermost element of the Header block.
52  **/
53  Set<QName> getHeaders();
54
55}
56