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 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.xml.internal.ws.api.server; 27 28 import com.sun.istack.internal.NotNull; 29 import com.sun.xml.internal.ws.api.message.Packet; 30 31 import javax.xml.ws.Provider; 32 import javax.xml.ws.WebServiceContext; 33 import java.lang.reflect.InvocationTargetException; 34 import java.lang.reflect.Method; 35 36 /** 37 * Hides the detail of calling into application endpoint implementation. 38 * 39 * <p> 40 * Typical host of the JAX-WS RI would want to use 41 * {@link InstanceResolver#createDefault(Class)} and then 42 * use {@link InstanceResolver#createInvoker()} to obtain 43 * the default invoker implementation. 44 * 45 * 46 * @author Jitendra Kotamraju 47 * @author Kohsuke Kawaguchi 48 */ 49 public abstract class Invoker extends com.sun.xml.internal.ws.server.sei.Invoker { 50 /** 51 * Called by {@link WSEndpoint} when it's set up. 52 * 53 * <p> 54 * This is an opportunity for {@link Invoker} 55 * to do a endpoint-specific initialization process. 56 * 57 * @param wsc 58 * The {@link WebServiceContext} instance that can be injected 59 * to the user instances. 60 * @param endpoint 61 */ 62 public void start(@NotNull WSWebServiceContext wsc, @NotNull WSEndpoint endpoint) { 63 // backward compatibility 64 start(wsc); 65 } 66 67 /** 68 * @deprecated 69 * Use {@link #start(WSWebServiceContext,WSEndpoint)} 70 */ 71 public void start(@NotNull WebServiceContext wsc) { 72 throw new IllegalStateException("deprecated version called"); 73 } 74 75 /** 76 * Called by {@link WSEndpoint} 77 * when {@link WSEndpoint#dispose()} is called. 78 * 79 * This allows {@link InstanceResolver} to do final clean up. 80 * 81 * <p> 82 * This method is guaranteed to be only called once by {@link WSEndpoint}. 83 */ 84 public void dispose() {} 85 86 /** 87 * Invokes {@link Provider#invoke(Object)} 88 */ 89 public <T> T invokeProvider( @NotNull Packet p, T arg ) throws IllegalAccessException, InvocationTargetException { 90 // default slow implementation that delegates to the other invoke method. 91 return (T)invoke(p,invokeMethod,arg); 92 } 93 94 /** 95 * Invokes {@link AsyncProvider#invoke(Object, AsyncProviderCallback, WebServiceContext)} 96 */ 97 public <T> void invokeAsyncProvider( @NotNull Packet p, T arg, AsyncProviderCallback cbak, WebServiceContext ctxt ) throws IllegalAccessException, InvocationTargetException { 98 // default slow implementation that delegates to the other invoke method. 99 invoke(p, asyncInvokeMethod, arg, cbak, ctxt); 100 } 101 102 private static final Method invokeMethod; 103 104 static { 105 try { 106 invokeMethod = Provider.class.getMethod("invoke",Object.class); 107 } catch (NoSuchMethodException e) { 108 throw new AssertionError(e); 109 } 110 } 111 112 private static final Method asyncInvokeMethod; 113 114 static { 115 try { 116 asyncInvokeMethod = AsyncProvider.class.getMethod("invoke",Object.class, AsyncProviderCallback.class, WebServiceContext.class); 117 } catch (NoSuchMethodException e) { 118 throw new AssertionError(e); 119 } 120 } 121 }