| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.client; |
| |
| import com.sun.istack.internal.Nullable; |
| import com.sun.xml.internal.ws.api.Cancelable; |
| import com.sun.xml.internal.ws.util.CompletedFuture; |
| |
| import javax.xml.ws.AsyncHandler; |
| import javax.xml.ws.Response; |
| import javax.xml.ws.WebServiceException; |
| import java.util.Map; |
| import java.util.concurrent.FutureTask; |
| |
| /** |
| * {@link Response} implementation. When Runnbale is executed, it just hands the |
| * request to Fiber and returns. When the Fiber finishes the execution, it sets |
| * response in the {@link FutureTask} |
| * |
| * @author Jitendra Kotamraju |
| */ |
| public final class AsyncResponseImpl<T> extends FutureTask<T> implements Response<T>, ResponseContextReceiver { |
| |
| /** |
| * Optional {@link AsyncHandler} that gets invoked |
| * at the completion of the task. |
| */ |
| private final AsyncHandler<T> handler; |
| private ResponseContext responseContext; |
| private final Runnable callable; |
| private Cancelable cancelable; |
| |
| /** |
| * |
| * @param runnable |
| * This {@link Runnable} is executed asynchronously. |
| * @param handler |
| * Optional {@link AsyncHandler} to invoke at the end |
| * of the processing. Can be null. |
| */ |
| public AsyncResponseImpl(Runnable runnable, @Nullable AsyncHandler<T> handler) { |
| super(runnable, null); |
| this.callable = runnable; |
| this.handler = handler; |
| } |
| |
| @Override |
| public void run() { |
| // override so that AsyncInvoker calls set() |
| // when Fiber calls the callback |
| try { |
| callable.run(); |
| } catch (WebServiceException e) { |
| //it could be a WebServiceException or a ProtocolException or any RuntimeException |
| // resulting due to some internal bug. |
| set(null, e); |
| } catch (Throwable e) { |
| //its some other exception resulting from user error, wrap it in |
| // WebServiceException |
| set(null, new WebServiceException(e)); |
| } |
| } |
| |
| |
| public ResponseContext getContext() { |
| return responseContext; |
| } |
| |
| public void setResponseContext(ResponseContext rc) { |
| responseContext = rc; |
| } |
| |
| public void set(final T v, final Throwable t) { |
| // call the handler before we mark the future as 'done' |
| if (handler!=null) { |
| try { |
| /** |
| * {@link Response} object passed into the callback. |
| * We need a separate {@link java.util.concurrent.Future} because we don't want {@link ResponseImpl} |
| * to be marked as 'done' before the callback finishes execution. |
| * (That would provide implicit synchronization between the application code |
| * in the main thread and the callback code, and is compatible with the JAX-RI 2.0 FCS. |
| */ |
| class CallbackFuture<T> extends CompletedFuture<T> implements Response<T> { |
| public CallbackFuture(T v, Throwable t) { |
| super(v, t); |
| } |
| |
| public Map<String, Object> getContext() { |
| return AsyncResponseImpl.this.getContext(); |
| } |
| } |
| handler.handleResponse(new CallbackFuture<T>(v, t)); |
| } catch (Throwable e) { |
| super.setException(e); |
| return; |
| } |
| } |
| if (t != null) { |
| super.setException(t); |
| } else { |
| super.set(v); |
| } |
| } |
| |
| public void setCancelable(Cancelable cancelable) { |
| this.cancelable = cancelable; |
| } |
| |
| public boolean cancel(boolean mayInterruptIfRunning) { |
| if (cancelable != null) |
| cancelable.cancel(mayInterruptIfRunning); |
| return super.cancel(mayInterruptIfRunning); |
| } |
| } |