ohair@286: /*
alanb@368:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
ohair@286:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286:  *
ohair@286:  * This code is free software; you can redistribute it and/or modify it
ohair@286:  * under the terms of the GNU General Public License version 2 only, as
ohair@286:  * published by the Free Software Foundation.  Oracle designates this
ohair@286:  * particular file as subject to the "Classpath" exception as provided
ohair@286:  * by Oracle in the LICENSE file that accompanied this code.
ohair@286:  *
ohair@286:  * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@286:  * version 2 for more details (a copy is included in the LICENSE file that
ohair@286:  * accompanied this code).
ohair@286:  *
ohair@286:  * You should have received a copy of the GNU General Public License version
ohair@286:  * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286:  *
ohair@286:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286:  * or visit www.oracle.com if you need additional information or have any
ohair@286:  * questions.
ohair@286:  */
ohair@286: 
ohair@286: package com.sun.xml.internal.ws.api.server;
ohair@286: 
ohair@286: import com.sun.istack.internal.NotNull;
ohair@286: import com.sun.xml.internal.ws.api.message.Packet;
ohair@286: 
ohair@286: import javax.xml.ws.Provider;
ohair@286: import javax.xml.ws.WebServiceContext;
ohair@286: import java.lang.reflect.InvocationTargetException;
ohair@286: import java.lang.reflect.Method;
ohair@286: 
ohair@286: /**
ohair@286:  * Hides the detail of calling into application endpoint implementation.
ohair@286:  *
ohair@286:  * <p>
ohair@286:  * Typical host of the JAX-WS RI would want to use
ohair@286:  * {@link InstanceResolver#createDefault(Class)} and then
ohair@286:  * use <tt>{@link InstanceResolver#createInvoker()} to obtain
ohair@286:  * the default invoker implementation.
ohair@286:  *
ohair@286:  *
ohair@286:  * @author Jitendra Kotamraju
ohair@286:  * @author Kohsuke Kawaguchi
ohair@286:  */
ohair@286: public abstract class Invoker extends com.sun.xml.internal.ws.server.sei.Invoker {
ohair@286:     /**
ohair@286:      * Called by {@link WSEndpoint} when it's set up.
ohair@286:      *
ohair@286:      * <p>
ohair@286:      * This is an opportunity for {@link Invoker}
ohair@286:      * to do a endpoint-specific initialization process.
ohair@286:      *
ohair@286:      * @param wsc
ohair@286:      *      The {@link WebServiceContext} instance that can be injected
ohair@286:      *      to the user instances.
ohair@286:      * @param endpoint
ohair@286:      */
ohair@286:     public void start(@NotNull WSWebServiceContext wsc, @NotNull WSEndpoint endpoint) {
ohair@286:         // backward compatibility
ohair@286:         start(wsc);
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * @deprecated
ohair@286:      *      Use {@link #start(WSWebServiceContext,WSEndpoint)}
ohair@286:      */
ohair@286:     public void start(@NotNull WebServiceContext wsc) {
ohair@286:         throw new IllegalStateException("deprecated version called");
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * Called by {@link WSEndpoint}
ohair@286:      * when {@link WSEndpoint#dispose()} is called.
ohair@286:      *
ohair@286:      * This allows {@link InstanceResolver} to do final clean up.
ohair@286:      *
ohair@286:      * <p>
ohair@286:      * This method is guaranteed to be only called once by {@link WSEndpoint}.
ohair@286:      */
ohair@286:     public void dispose() {}
ohair@286: 
ohair@286:     /**
ohair@286:      * Invokes {@link Provider#invoke(Object)}
ohair@286:      */
ohair@286:     public <T> T invokeProvider( @NotNull Packet p, T arg ) throws IllegalAccessException, InvocationTargetException {
ohair@286:         // default slow implementation that delegates to the other invoke method.
ohair@286:         return (T)invoke(p,invokeMethod,arg);
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * Invokes {@link AsyncProvider#invoke(Object, AsyncProviderCallback, WebServiceContext)}
ohair@286:      */
ohair@286:     public <T> void invokeAsyncProvider( @NotNull Packet p, T arg, AsyncProviderCallback cbak, WebServiceContext ctxt ) throws IllegalAccessException, InvocationTargetException {
ohair@286:         // default slow implementation that delegates to the other invoke method.
ohair@286:         invoke(p, asyncInvokeMethod, arg, cbak, ctxt);
ohair@286:     }
ohair@286: 
ohair@286:     private static final Method invokeMethod;
ohair@286: 
ohair@286:     static {
ohair@286:         try {
ohair@286:             invokeMethod = Provider.class.getMethod("invoke",Object.class);
ohair@286:         } catch (NoSuchMethodException e) {
ohair@286:             throw new AssertionError(e);
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     private static final Method asyncInvokeMethod;
ohair@286: 
ohair@286:     static {
ohair@286:         try {
ohair@286:             asyncInvokeMethod = AsyncProvider.class.getMethod("invoke",Object.class, AsyncProviderCallback.class, WebServiceContext.class);
ohair@286:         } catch (NoSuchMethodException e) {
ohair@286:             throw new AssertionError(e);
ohair@286:         }
ohair@286:     }
ohair@286: }