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132 lines
4.1 KiB
132 lines
4.1 KiB
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package org.apache.http.client.methods;
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import java.io.IOException;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicReference;
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import org.apache.http.HttpRequest;
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import org.apache.http.client.utils.CloneUtilsHC4;
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import org.apache.http.concurrent.Cancellable;
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import org.apache.http.conn.ClientConnectionRequest;
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import org.apache.http.conn.ConnectionReleaseTrigger;
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import org.apache.http.message.AbstractHttpMessage;
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@SuppressWarnings("deprecation")
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public abstract class AbstractExecutionAwareRequest extends AbstractHttpMessage implements
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HttpExecutionAware, AbortableHttpRequest, Cloneable, HttpRequest {
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private final AtomicBoolean aborted;
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private final AtomicReference<Cancellable> cancellableRef;
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protected AbstractExecutionAwareRequest() {
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super();
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this.aborted = new AtomicBoolean(false);
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this.cancellableRef = new AtomicReference<Cancellable>(null);
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}
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@Deprecated
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public void setConnectionRequest(final ClientConnectionRequest connRequest) {
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setCancellable(new Cancellable() {
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public boolean cancel() {
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connRequest.abortRequest();
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return true;
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}
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});
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}
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@Deprecated
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public void setReleaseTrigger(final ConnectionReleaseTrigger releaseTrigger) {
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setCancellable(new Cancellable() {
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public boolean cancel() {
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try {
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releaseTrigger.abortConnection();
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return true;
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} catch (final IOException ex) {
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return false;
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}
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}
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});
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}
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public void abort() {
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if (this.aborted.compareAndSet(false, true)) {
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final Cancellable cancellable = this.cancellableRef.getAndSet(null);
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if (cancellable != null) {
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cancellable.cancel();
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}
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}
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}
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public boolean isAborted() {
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return this.aborted.get();
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}
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/**
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* @since 4.2
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*/
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public void setCancellable(final Cancellable cancellable) {
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if (!this.aborted.get()) {
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this.cancellableRef.set(cancellable);
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}
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}
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@Override
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public Object clone() throws CloneNotSupportedException {
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final AbstractExecutionAwareRequest clone = (AbstractExecutionAwareRequest) super.clone();
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clone.headergroup = CloneUtilsHC4.cloneObject(this.headergroup);
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clone.params = CloneUtilsHC4.cloneObject(this.params);
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return clone;
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}
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/**
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* @since 4.2
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*/
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public void completed() {
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this.cancellableRef.set(null);
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}
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/**
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* Resets internal state of the request making it reusable.
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*
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* @since 4.2
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*/
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public void reset() {
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final Cancellable cancellable = this.cancellableRef.getAndSet(null);
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if (cancellable != null) {
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cancellable.cancel();
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}
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this.aborted.set(false);
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}
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}
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