139 lines
4.9 KiB
Java
139 lines
4.9 KiB
Java
/*
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* Copyright (c) 1997, 2012, 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 com.sun.xml.internal.ws.client;
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import com.sun.istack.internal.Nullable;
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import com.sun.xml.internal.ws.api.Cancelable;
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import com.sun.xml.internal.ws.util.CompletedFuture;
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import javax.xml.ws.AsyncHandler;
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import javax.xml.ws.Response;
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import javax.xml.ws.WebServiceException;
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import java.util.Map;
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import java.util.concurrent.FutureTask;
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/**
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* {@link Response} implementation. When Runnbale is executed, it just hands the
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* request to Fiber and returns. When the Fiber finishes the execution, it sets
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* response in the {@link FutureTask}
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*
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* @author Jitendra Kotamraju
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*/
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public final class AsyncResponseImpl<T> extends FutureTask<T> implements Response<T>, ResponseContextReceiver {
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/**
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* Optional {@link AsyncHandler} that gets invoked
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* at the completion of the task.
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*/
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private final AsyncHandler<T> handler;
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private ResponseContext responseContext;
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private final Runnable callable;
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private Cancelable cancelable;
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/**
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*
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* @param runnable
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* This {@link Runnable} is executed asynchronously.
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* @param handler
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* Optional {@link AsyncHandler} to invoke at the end
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* of the processing. Can be null.
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*/
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public AsyncResponseImpl(Runnable runnable, @Nullable AsyncHandler<T> handler) {
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super(runnable, null);
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this.callable = runnable;
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this.handler = handler;
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}
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@Override
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public void run() {
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// override so that AsyncInvoker calls set()
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// when Fiber calls the callback
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try {
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callable.run();
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} catch (WebServiceException e) {
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//it could be a WebServiceException or a ProtocolException or any RuntimeException
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// resulting due to some internal bug.
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set(null, e);
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} catch (Throwable e) {
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//its some other exception resulting from user error, wrap it in
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// WebServiceException
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set(null, new WebServiceException(e));
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}
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}
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public ResponseContext getContext() {
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return responseContext;
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}
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public void setResponseContext(ResponseContext rc) {
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responseContext = rc;
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}
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public void set(final T v, final Throwable t) {
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// call the handler before we mark the future as 'done'
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if (handler!=null) {
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try {
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/**
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* {@link Response} object passed into the callback.
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* We need a separate {@link java.util.concurrent.Future} because we don't want {@link ResponseImpl}
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* to be marked as 'done' before the callback finishes execution.
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* (That would provide implicit synchronization between the application code
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* in the main thread and the callback code, and is compatible with the JAX-RI 2.0 FCS.
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*/
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class CallbackFuture<T> extends CompletedFuture<T> implements Response<T> {
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public CallbackFuture(T v, Throwable t) {
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super(v, t);
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}
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public Map<String, Object> getContext() {
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return AsyncResponseImpl.this.getContext();
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}
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}
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handler.handleResponse(new CallbackFuture<T>(v, t));
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} catch (Throwable e) {
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super.setException(e);
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return;
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}
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}
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if (t != null) {
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super.setException(t);
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} else {
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super.set(v);
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}
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}
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public void setCancelable(Cancelable cancelable) {
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this.cancelable = cancelable;
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}
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public boolean cancel(boolean mayInterruptIfRunning) {
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if (cancelable != null)
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cancelable.cancel(mayInterruptIfRunning);
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return super.cancel(mayInterruptIfRunning);
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}
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}
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