| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/methods/HttpRequestBase.java $ |
| * $Revision: 674186 $ |
| * $Date: 2008-07-05 05:18:54 -0700 (Sat, 05 Jul 2008) $ |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.http.client.methods; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.concurrent.locks.Lock; |
| import java.util.concurrent.locks.ReentrantLock; |
| |
| import org.apache.http.ProtocolVersion; |
| import org.apache.http.RequestLine; |
| import org.apache.http.client.utils.CloneUtils; |
| import org.apache.http.conn.ClientConnectionRequest; |
| import org.apache.http.conn.ConnectionReleaseTrigger; |
| import org.apache.http.message.AbstractHttpMessage; |
| import org.apache.http.message.BasicRequestLine; |
| import org.apache.http.message.HeaderGroup; |
| import org.apache.http.params.HttpParams; |
| import org.apache.http.params.HttpProtocolParams; |
| |
| /** |
| * Basic implementation of an HTTP request that can be modified. |
| * |
| * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> |
| * |
| * @version $Revision: 674186 $ |
| * |
| * @since 4.0 |
| * |
| * @deprecated Please use {@link java.net.URL#openConnection} instead. |
| * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> |
| * for further details. |
| */ |
| @Deprecated |
| public abstract class HttpRequestBase extends AbstractHttpMessage |
| implements HttpUriRequest, AbortableHttpRequest, Cloneable { |
| |
| private Lock abortLock; |
| |
| private boolean aborted; |
| |
| private URI uri; |
| private ClientConnectionRequest connRequest; |
| private ConnectionReleaseTrigger releaseTrigger; |
| |
| public HttpRequestBase() { |
| super(); |
| this.abortLock = new ReentrantLock(); |
| } |
| |
| public abstract String getMethod(); |
| |
| public ProtocolVersion getProtocolVersion() { |
| return HttpProtocolParams.getVersion(getParams()); |
| } |
| |
| public URI getURI() { |
| return this.uri; |
| } |
| |
| public RequestLine getRequestLine() { |
| String method = getMethod(); |
| ProtocolVersion ver = getProtocolVersion(); |
| URI uri = getURI(); |
| String uritext = null; |
| if (uri != null) { |
| uritext = uri.toASCIIString(); |
| } |
| if (uritext == null || uritext.length() == 0) { |
| uritext = "/"; |
| } |
| return new BasicRequestLine(method, uritext, ver); |
| } |
| |
| public void setURI(final URI uri) { |
| this.uri = uri; |
| } |
| |
| public void setConnectionRequest(final ClientConnectionRequest connRequest) |
| throws IOException { |
| this.abortLock.lock(); |
| try { |
| if (this.aborted) { |
| throw new IOException("Request already aborted"); |
| } |
| |
| this.releaseTrigger = null; |
| this.connRequest = connRequest; |
| } finally { |
| this.abortLock.unlock(); |
| } |
| } |
| |
| public void setReleaseTrigger(final ConnectionReleaseTrigger releaseTrigger) |
| throws IOException { |
| this.abortLock.lock(); |
| try { |
| if (this.aborted) { |
| throw new IOException("Request already aborted"); |
| } |
| |
| this.connRequest = null; |
| this.releaseTrigger = releaseTrigger; |
| } finally { |
| this.abortLock.unlock(); |
| } |
| } |
| |
| public void abort() { |
| ClientConnectionRequest localRequest; |
| ConnectionReleaseTrigger localTrigger; |
| |
| this.abortLock.lock(); |
| try { |
| if (this.aborted) { |
| return; |
| } |
| this.aborted = true; |
| |
| localRequest = connRequest; |
| localTrigger = releaseTrigger; |
| } finally { |
| this.abortLock.unlock(); |
| } |
| |
| // Trigger the callbacks outside of the lock, to prevent |
| // deadlocks in the scenario where the callbacks have |
| // their own locks that may be used while calling |
| // setReleaseTrigger or setConnectionRequest. |
| if (localRequest != null) { |
| localRequest.abortRequest(); |
| } |
| if (localTrigger != null) { |
| try { |
| localTrigger.abortConnection(); |
| } catch (IOException ex) { |
| // ignore |
| } |
| } |
| } |
| |
| public boolean isAborted() { |
| return this.aborted; |
| } |
| |
| @Override |
| public Object clone() throws CloneNotSupportedException { |
| HttpRequestBase clone = (HttpRequestBase) super.clone(); |
| clone.abortLock = new ReentrantLock(); |
| clone.aborted = false; |
| clone.releaseTrigger = null; |
| clone.connRequest = null; |
| clone.headergroup = (HeaderGroup) CloneUtils.clone(this.headergroup); |
| clone.params = (HttpParams) CloneUtils.clone(this.params); |
| return clone; |
| } |
| |
| } |