deleted old port of AutoCloseInputStream
git-svn-id: https://svn.apache.org/repos/asf/jakarta/httpcomponents/httpclient/trunk@508897 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Roland Weber
parent
85f44258dd
commit
fe62d7292a
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@ -1,145 +0,0 @@
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/*
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* $HeadURL$
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* $Revision$
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* $Date$
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*
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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.impl.client;
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import java.io.FilterInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* Closes an underlying stream as soon as the end of the stream is reached, and
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* notifies a client when it has done so.
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*
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* @author Ortwin Glueck
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* @author Eric Johnson
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* @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
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*
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* @since 4.0
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*/
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class AutoCloseInputStream extends FilterInputStream {
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/**
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* The watcher is notified when the contents of the stream have
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* been exhausted
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*/
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private ResponseConsumedWatcher watcher = null;
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private boolean watcherNotified = false;
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/**
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* Create a new auto closing stream for the provided connection
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*
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* @param in the input stream to read from
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* @param watcher To be notified when the contents of the stream have been
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* consumed.
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*/
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public AutoCloseInputStream(
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final InputStream in, final ResponseConsumedWatcher watcher) {
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super(in);
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this.watcher = watcher;
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}
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/**
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* Reads the next byte of data from the input stream.
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*
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* @throws IOException when there is an error reading
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* @return the character read, or -1 for EOF
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*/
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public int read() throws IOException {
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int l = super.read();
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checkEndOfStream(l);
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return l;
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}
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/**
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* Reads up to <code>len</code> bytes of data from the stream.
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*
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* @param b a <code>byte</code> array to read data into
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* @param off an offset within the array to store data
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* @param len the maximum number of bytes to read
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* @return the number of bytes read or -1 for EOF
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* @throws IOException if there are errors reading
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*/
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public int read(byte[] b, int off, int len) throws IOException {
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int l = super.read(b, off, len);
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checkEndOfStream(l);
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return l;
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}
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/**
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* Reads some number of bytes from the input stream and stores them into the
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* buffer array b.
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*
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* @param b a <code>byte</code> array to read data into
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* @return the number of bytes read or -1 for EOF
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* @throws IOException if there are errors reading
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*/
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public int read(byte[] b) throws IOException {
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int l = super.read(b);
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checkEndOfStream(l);
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return l;
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}
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/**
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* Close the stream, and also close the underlying stream if it is not
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* already closed.
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* @throws IOException If an IO problem occurs.
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*/
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public void close() throws IOException {
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super.close();
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ensureWatcherNotified();
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}
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/**
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* Close the underlying stream should the end of the stream arrive.
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*
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* @param readResult The result of the read operation to check.
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* @throws IOException If an IO problem occurs.
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*/
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private void checkEndOfStream(int readResult) throws IOException {
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if (readResult == -1) {
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close();
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}
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}
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/**
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* Notify the watcher that the contents have been consumed.
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* @throws IOException If an IO problem occurs.
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*/
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private void ensureWatcherNotified() throws IOException {
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if (!this.watcherNotified) {
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this.watcherNotified = true;
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if (watcher != null) {
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watcher.responseConsumed();
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}
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}
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}
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}
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@ -1,85 +0,0 @@
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/*
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* $HeadURL$
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* $Revision$
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* $Date$
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*
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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.impl.client;
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import java.io.IOException;
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import org.apache.http.ConnectionReuseStrategy;
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import org.apache.http.HttpConnection;
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import org.apache.http.HttpResponse;
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import org.apache.http.impl.DefaultConnectionReuseStrategy;
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import org.apache.http.protocol.HttpContext;
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/**
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* <p>
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* </p>
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* @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
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*
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* @version $Revision$
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*
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* @since 4.0
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*/
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public class DefaultResponseConsumedWatcher
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implements ResponseConsumedWatcher {
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private final HttpConnection conn;
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private final HttpResponse response;
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private final HttpContext context;
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public DefaultResponseConsumedWatcher(
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final HttpConnection conn,
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final HttpResponse response,
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final HttpContext context) {
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super();
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if (conn == null) {
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throw new IllegalArgumentException("HTTP connection may not be null");
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}
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if (response == null) {
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throw new IllegalArgumentException("HTTP response may not be null");
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}
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this.conn = conn;
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this.response = response;
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this.context = context;
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}
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public void responseConsumed() {
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ConnectionReuseStrategy s = new DefaultConnectionReuseStrategy();
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if (!s.keepAlive(this.response, this.context)) {
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try {
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this.conn.close();
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} catch (IOException ex) {
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// log error
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}
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}
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}
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}
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/*
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* $HeadURL$
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* $Revision$
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* $Date$
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*
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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.impl.client;
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/**
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* When a response stream has been consumed, various parts of the HttpClient
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* implementation need to respond appropriately.
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*
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* <p>When one of the three types of {@link java.io.InputStream}, one of
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* <code>AutoCloseInputStream</code> (package),
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* <code>ContentLengthInputStream</code>, or
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* <code>ChunkedInputStream</code> finishes with its content, either because
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* all content has been consumed, or because it was explicitly closed,
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* it notifies its corresponding method via this interface.</p>
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*
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* @author Eric Johnson
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*/
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interface ResponseConsumedWatcher {
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/**
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* A response has been consumed.
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*/
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void responseConsumed();
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}
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@ -40,8 +40,6 @@ public class TestAllHttpClientImpl extends TestCase {
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public static Test suite() {
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public static Test suite() {
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TestSuite suite = new TestSuite();
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TestSuite suite = new TestSuite();
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suite.addTest(TestAutoCloseInputStream.suite());
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suite.addTest(TestDefaultResponseConsumedWatcher.suite());
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return suite;
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return suite;
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}
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}
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/*
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* $HeadURL$
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* $Revision$
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* $Date$
|
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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
|
|
||||||
* distributed with this work for additional information
|
|
||||||
* 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
|
|
||||||
* 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.impl.client;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestSuite;
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public class TestAutoCloseInputStream extends TestCase {
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public TestAutoCloseInputStream(String testName) {
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super(testName);
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}
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// ------------------------------------------------------- TestCase Methods
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public static Test suite() {
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return new TestSuite(TestAutoCloseInputStream.class);
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}
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// ------------------------------------------------------------------- Main
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public static void main(String args[]) {
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String[] testCaseName = { TestAutoCloseInputStream.class.getName() };
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junit.textui.TestRunner.main(testCaseName);
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}
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class TestResponseConsumedWatcher implements ResponseConsumedWatcher {
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private int count;
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public TestResponseConsumedWatcher() {
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super();
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count = 0;
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}
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public void responseConsumed() {
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count++;
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}
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public int getCount() {
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return this.count;
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}
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};
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public void testConstructors() throws Exception {
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InputStream instream = new ByteArrayInputStream(new byte[] {});
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ResponseConsumedWatcher watcher = new TestResponseConsumedWatcher();
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new AutoCloseInputStream(instream, watcher);
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new AutoCloseInputStream(instream, null);
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}
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public void testBasics() throws IOException {
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byte[] input = "0123456789ABCDEF".getBytes("US-ASCII");
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InputStream instream = new ByteArrayInputStream(input);
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TestResponseConsumedWatcher watcher = new TestResponseConsumedWatcher();
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instream = new AutoCloseInputStream(instream, watcher);
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byte[] tmp = new byte[input.length];
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int ch = instream.read();
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assertTrue(ch != -1);
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tmp[0] = (byte)ch;
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assertTrue(instream.read(tmp, 1, tmp.length - 1) != -1);
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assertTrue(instream.read(tmp) == -1);
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for (int i = 0; i < input.length; i++) {
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assertEquals(input[i], tmp[i]);
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}
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assertTrue(instream.read() == -1);
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instream.close();
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instream.close();
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// Has been triggered once only
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assertEquals(1, watcher.getCount());
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}
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public void testNullWatcher() throws IOException {
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byte[] input = "0".getBytes("US-ASCII");
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InputStream instream = new ByteArrayInputStream(input);
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instream = new AutoCloseInputStream(instream, null);
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assertTrue(instream.read() != -1);
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assertTrue(instream.read() == -1);
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assertTrue(instream.read() == -1);
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}
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}
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@ -1,131 +0,0 @@
|
||||||
/*
|
|
||||||
* $HeadURL$
|
|
||||||
* $Revision$
|
|
||||||
* $Date$
|
|
||||||
* ====================================================================
|
|
||||||
* 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.impl.client;
|
|
||||||
|
|
||||||
import java.io.ByteArrayInputStream;
|
|
||||||
import java.io.InputStream;
|
|
||||||
|
|
||||||
import org.apache.http.HttpConnection;
|
|
||||||
import org.apache.http.HttpResponse;
|
|
||||||
import org.apache.http.HttpVersion;
|
|
||||||
import org.apache.http.entity.BasicHttpEntity;
|
|
||||||
import org.apache.http.params.BasicHttpParams;
|
|
||||||
import org.apache.http.message.BasicHttpResponse;
|
|
||||||
import org.apache.http.mockup.HttpConnectionMockup;
|
|
||||||
import org.apache.http.protocol.HttpContext;
|
|
||||||
import org.apache.http.protocol.HttpExecutionContext;
|
|
||||||
|
|
||||||
import junit.framework.Test;
|
|
||||||
import junit.framework.TestCase;
|
|
||||||
import junit.framework.TestSuite;
|
|
||||||
|
|
||||||
public class TestDefaultResponseConsumedWatcher extends TestCase {
|
|
||||||
|
|
||||||
public TestDefaultResponseConsumedWatcher(String testName) {
|
|
||||||
super(testName);
|
|
||||||
}
|
|
||||||
|
|
||||||
// ------------------------------------------------------- TestCase Methods
|
|
||||||
|
|
||||||
public static Test suite() {
|
|
||||||
return new TestSuite(TestDefaultResponseConsumedWatcher.class);
|
|
||||||
}
|
|
||||||
|
|
||||||
// ------------------------------------------------------------------- Main
|
|
||||||
public static void main(String args[]) {
|
|
||||||
String[] testCaseName = { TestDefaultResponseConsumedWatcher.class.getName() };
|
|
||||||
junit.textui.TestRunner.main(testCaseName);
|
|
||||||
}
|
|
||||||
|
|
||||||
public void testIllegalResponseArg() throws Exception {
|
|
||||||
try {
|
|
||||||
new DefaultResponseConsumedWatcher(null, null, null);
|
|
||||||
fail("IllegalArgumentException should have been thrown");
|
|
||||||
} catch (IllegalArgumentException ex) {
|
|
||||||
// expected
|
|
||||||
}
|
|
||||||
try {
|
|
||||||
new DefaultResponseConsumedWatcher(
|
|
||||||
new HttpConnectionMockup(), null, null);
|
|
||||||
fail("IllegalArgumentException should have been thrown");
|
|
||||||
} catch (IllegalArgumentException ex) {
|
|
||||||
// expected
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
public void testConnectionAutoClose() throws Exception {
|
|
||||||
HttpContext context = new HttpExecutionContext(null);
|
|
||||||
byte[] data = new byte[] {'1', '2', '3'};
|
|
||||||
HttpConnection conn = new HttpConnectionMockup();
|
|
||||||
BasicHttpEntity entity = new BasicHttpEntity();
|
|
||||||
entity.setChunked(false);
|
|
||||||
entity.setContentLength(data.length);
|
|
||||||
entity.setContent(new ByteArrayInputStream(data));
|
|
||||||
|
|
||||||
HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_0, 200, "OK");
|
|
||||||
response.addHeader("Connection", "Close");
|
|
||||||
response.setParams(new BasicHttpParams(null));
|
|
||||||
response.setEntity(entity);
|
|
||||||
|
|
||||||
// Wrap the entity input stream
|
|
||||||
ResponseConsumedWatcher watcher = new DefaultResponseConsumedWatcher(
|
|
||||||
conn, response, context);
|
|
||||||
InputStream content = new AutoCloseInputStream(entity.getContent(), watcher);
|
|
||||||
assertTrue(conn.isOpen());
|
|
||||||
while (content.read() != -1) {}
|
|
||||||
assertFalse(conn.isOpen());
|
|
||||||
}
|
|
||||||
|
|
||||||
public void testConnectionKeepAlive() throws Exception {
|
|
||||||
HttpContext context = new HttpExecutionContext(null);
|
|
||||||
byte[] data = new byte[] {'1', '2', '3'};
|
|
||||||
HttpConnection conn = new HttpConnectionMockup();
|
|
||||||
BasicHttpEntity entity = new BasicHttpEntity();
|
|
||||||
entity.setChunked(false);
|
|
||||||
entity.setContentLength(data.length);
|
|
||||||
entity.setContent(new ByteArrayInputStream(data));
|
|
||||||
|
|
||||||
HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
|
|
||||||
response.addHeader("Connection", "Keep-alive");
|
|
||||||
response.setParams(new BasicHttpParams(null));
|
|
||||||
response.setEntity(entity);
|
|
||||||
|
|
||||||
// Wrap the entity input stream
|
|
||||||
ResponseConsumedWatcher watcher = new DefaultResponseConsumedWatcher(
|
|
||||||
conn, response, context);
|
|
||||||
InputStream content = new AutoCloseInputStream(entity.getContent(), watcher);
|
|
||||||
|
|
||||||
assertTrue(conn.isOpen());
|
|
||||||
while (content.read() != -1) {}
|
|
||||||
assertTrue(conn.isOpen());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue