01 /*
02 * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.xml.ws;
27
28 /**
29 * <p>Service endpoints may implement the <code>Provider</code>
30 * interface as a dynamic alternative to an SEI.
31 *
32 * <p>Implementations are required to support <code>Provider<Source></code>,
33 * <code>Provider<SOAPMessage></code> and
34 * <code>Provider<DataSource></code>, depending on the binding
35 * in use and the service mode.
36 *
37 * <p>The <code>ServiceMode</code> annotation can be used to control whether
38 * the <code>Provider</code> instance will receive entire protocol messages
39 * or just message payloads.
40 *
41 * @since JAX-WS 2.0
42 *
43 * @see javax.xml.transform.Source
44 * @see javax.xml.soap.SOAPMessage
45 * @see javax.xml.ws.ServiceMode
46 **/
47 public interface Provider<T> {
48
49 /** Invokes an operation occording to the contents of the request
50 * message.
51 *
52 * @param request The request message or message payload.
53 * @return The response message or message payload. May be null if
54 there is no response.
55 * @throws WebServiceException if there is an error processing request.
56 * The cause of the WebServiceException may be set to a subclass
57 * of ProtocolException to control the protocol level
58 * representation of the exception.
59 * @see javax.xml.ws.handler.MessageContext
60 * @see javax.xml.ws.ProtocolException
61 **/
62 public T invoke(T request);
63 }
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