1 /* 2 * Copyright (c) 2005, 2017, 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} 30 * interface as a dynamic alternative to an SEI. 31 * 32 * <p>Implementations are required to support {@code Provider<Source>}, 33 * {@code Provider<SOAPMessage>} and 34 * {@code Provider<DataSource>}, depending on the binding 35 * in use and the service mode. 36 * 37 * <p>The {@code ServiceMode} annotation can be used to control whether 38 * the {@code Provider} instance will receive entire protocol messages 39 * or just message payloads. 40 * 41 * @param <T> The type of the request 42 * @since 1.6, JAX-WS 2.0 43 * 44 * @see javax.xml.transform.Source 45 * @see javax.xml.soap.SOAPMessage 46 * @see javax.xml.ws.ServiceMode 47 **/ 48 public interface Provider<T> { 49 50 /** Invokes an operation according to the contents of the request 51 * message. 52 * 53 * @param request The request message or message payload. 54 * @return The response message or message payload. May be {@code null} if 55 there is no response. 56 * @throws WebServiceException If there is an error processing request. 57 * The cause of the {@code WebServiceException} may be set to a subclass 58 * of {@code ProtocolException} to control the protocol level 59 * representation of the exception. 60 * @see javax.xml.ws.handler.MessageContext 61 * @see javax.xml.ws.ProtocolException 62 **/ 63 public T invoke(T request); 64 }