1 /* 2 * Copyright (c) 2005, 2012, 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 22 * or visit www.oracle.com if you need additional information or have any 23 * 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 1.6, 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 <code>null</code> if 54 there is no response. 55 * @throws WebServiceException If there is an error processing request. 56 * The cause of the <code>WebServiceException</code> may be set to a subclass 57 * of <code>ProtocolException</code> 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 }