92 lines
3.9 KiB
Java
92 lines
3.9 KiB
Java
/*
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.xml.ws.spi;
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import javax.xml.ws.WebServiceContext;
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import javax.xml.ws.WebServiceFeature;
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import java.lang.reflect.Method;
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import java.lang.reflect.InvocationTargetException;
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/**
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* Invoker hides the detail of calling into application endpoint
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* implementation. Container hands over an implementation of Invoker
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* to JAX-WS runtime, and jax-ws runtime calls {@link #invoke}
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* for a web service invocation. Finally, Invoker does the actual
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* invocation of web service on endpoint instance.
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*
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* Container also injects the provided <code>WebServiceContext</code> and takes
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* care of invoking <code>javax.annotation.PostConstruct</code> methods,
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* if present, on the endpoint implementation.
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*
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* @see Provider#createEndpoint(String, Class, Invoker, WebServiceFeature...)
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* @author Jitendra Kotamraju
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* @since JAX-WS 2.2
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*/
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public abstract class Invoker {
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/**
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* JAX-WS runtimes calls this method to ask container to inject
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* WebServiceContext on the endpoint instance. The
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* <code>WebServiceContext</code> object uses thread-local information
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* to return the correct information during the actual endpoint invocation
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* regardless of how many threads are concurrently being used to serve
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* requests.
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*
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* @param webServiceContext a holder for MessageContext
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* @throws IllegalAccessException if the injection done
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* by reflection API throws this exception
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* @throws IllegalArgumentException if the injection done
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* by reflection API throws this exception
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* @throws InvocationTargetException if the injection done
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* by reflection API throws this exception
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*/
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public abstract void inject(WebServiceContext webServiceContext)
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throws IllegalAccessException, IllegalArgumentException, InvocationTargetException;
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/**
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* JAX-WS runtime calls this method to do the actual web service
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* invocation on endpoint instance. The injected
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* <code>WebServiceContext.getMessageContext()</code> gives the correct
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* information for this invocation.
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*
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* @param m Method to be invoked on the service
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* @param args Method arguments
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* @return return value of the method
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* @throws IllegalAccessException if the invocation done
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* by reflection API throws this exception
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* @throws IllegalArgumentException if the invocation done
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* by reflection API throws this exception
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* @throws InvocationTargetException if the invocation done
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* by reflection API throws this exception
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* @see Method#invoke
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*/
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public abstract Object invoke(Method m, Object... args)
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throws IllegalAccessException, IllegalArgumentException, InvocationTargetException;
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}
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