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8297976: Remove sun.net.ProgressMonitor and related classes

Browse source 
8240275: Occasional errors in HttpURLConnection due to race with GC

Reviewed-by: jpai, dfuchs, michaelm
This commit is contained in:
Daniel Jeliński 2022-12-07 08:56:10 +00:00
parent 085f96cb1a
commit 27bbe7be2c
14 changed files with 313 additions and 894 deletions
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113
src/java.base/share/classes/sun/net/ProgressEvent.java
View file

@ -1,113 +0,0 @@
/*
* Copyright (c) 2004, 2008, 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 sun.net;
import java.util.EventObject;
import java.net.URL;
/**
* ProgressEvent represents an progress event in monitering network input stream.
*
* @author Stanley Man-Kit Ho
*/
@SuppressWarnings("serial") // never serialized
public class ProgressEvent extends EventObject {
// URL of the stream
private URL url;
// content type of the stream
private String contentType;
// method associated with URL
private String method;
// bytes read
private long progress;
// bytes expected
private long expected;
// the last thing to happen
private ProgressSource.State state;
/**
* Construct a ProgressEvent object.
*/
public ProgressEvent(ProgressSource source, URL url, String method, String contentType, ProgressSource.State state, long progress, long expected) {
super(source);
this.url = url;
this.method = method;
this.contentType = contentType;
this.progress = progress;
this.expected = expected;
this.state = state;
}
/**
* Return URL related to the progress.
*/
public URL getURL()
{
return url;
}
/**
* Return method associated with URL.
*/
public String getMethod()
{
return method;
}
/**
* Return content type of the URL.
*/
public String getContentType()
{
return contentType;
}
/**
* Return current progress value.
*/
public long getProgress()
{
return progress;
}
/**
* Return expected maximum progress value; -1 if expected is unknown.
*/
public long getExpected() {
return expected;
}
/**
* Return state.
*/
public ProgressSource.State getState() {
return state;
}
public String toString() {
return getClass().getName() + "[url=" + url + ", method=" + method + ", state=" + state
+ ", content-type=" + contentType + ", progress=" + progress + ", expected=" + expected + "]";
}
}

51
src/java.base/share/classes/sun/net/ProgressListener.java
View file

@ -1,51 +0,0 @@
/*
* Copyright (c) 2004, 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 sun.net;
import java.util.EventListener;
/**
* ProgressListener is an interface to be implemented by parties
* interested to be notified of progress in network input stream.
*
* @author Stanley Man-Kit Ho
*/
public interface ProgressListener extends EventListener
{
/**
* Start progress.
*/
public void progressStart(ProgressEvent evt);
/**
* Update progress.
*/
public void progressUpdate(ProgressEvent evt);
/**
* Finish progress.
*/
public void progressFinish(ProgressEvent evt);
}

45
src/java.base/share/classes/sun/net/ProgressMeteringPolicy.java
View file

@ -1,45 +0,0 @@
/*
* Copyright (c) 2004, 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 sun.net;
import java.net.URL;
/**
* ProgressMeteringPolicy is an interface for determining progress metering policy.
*
* @author Stanley Man-Kit Ho
*/
public interface ProgressMeteringPolicy
{
/**
* Return true if metering should be turned on for a particular network input stream.
*/
public boolean shouldMeterInput(URL url, String method);
/**
* Return update notification threshold.
*/
public int getProgressUpdateThreshold();
}

246
src/java.base/share/classes/sun/net/ProgressMonitor.java
View file

@ -1,246 +0,0 @@
/*
* Copyright (c) 2004, 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 sun.net;
import java.util.ArrayList;
import java.util.Iterator;
import java.net.URL;
/**
* ProgressMonitor is a class for monitoring progress in network input stream.
*
* @author Stanley Man-Kit Ho
*/
public class ProgressMonitor
{
/**
* Return default ProgressMonitor.
*/
public static synchronized ProgressMonitor getDefault() {
return pm;
}
/**
* Change default ProgressMonitor implementation.
*/
public static synchronized void setDefault(ProgressMonitor m) {
if (m != null)
pm = m;
}
/**
* Change progress metering policy.
*/
public static synchronized void setMeteringPolicy(ProgressMeteringPolicy policy) {
if (policy != null)
meteringPolicy = policy;
}
/**
* Return a snapshot of the ProgressSource list
*/
public ArrayList<ProgressSource> getProgressSources() {
ArrayList<ProgressSource> snapshot = new ArrayList<>();
try {
synchronized(progressSourceList) {
for (ProgressSource pi : progressSourceList) {
// Clone ProgressSource and add to snapshot
snapshot.add((ProgressSource)pi.clone());
}
}
}
catch(CloneNotSupportedException e) {
e.printStackTrace();
}
return snapshot;
}
/**
* Return update notification threshold
*/
public synchronized int getProgressUpdateThreshold() {
return meteringPolicy.getProgressUpdateThreshold();
}
/**
* Return true if metering should be turned on
* for a particular URL input stream.
*/
public boolean shouldMeterInput(URL url, String method) {
return meteringPolicy.shouldMeterInput(url, method);
}
/**
* Register progress source when progress is began.
*/
public void registerSource(ProgressSource pi) {
synchronized(progressSourceList) {
if (progressSourceList.contains(pi))
return;
progressSourceList.add(pi);
}
// Notify only if there is at least one listener
if (progressListenerList.size() > 0)
{
// Notify progress listener if there is progress change
ArrayList<ProgressListener> listeners;
// Copy progress listeners to another list to avoid holding locks
synchronized(progressListenerList) {
listeners = new ArrayList<>(progressListenerList);
}
// Fire event on each progress listener
for (ProgressListener pl : listeners) {
ProgressEvent pe = new ProgressEvent(pi, pi.getURL(), pi.getMethod(), pi.getContentType(), pi.getState(), pi.getProgress(), pi.getExpected());
pl.progressStart(pe);
}
}
}
/**
* Unregister progress source when progress is finished.
*/
public void unregisterSource(ProgressSource pi) {
synchronized(progressSourceList) {
// Return if ProgressEvent does not exist
if (progressSourceList.contains(pi) == false)
return;
// Close entry and remove from map
pi.close();
progressSourceList.remove(pi);
}
// Notify only if there is at least one listener
if (progressListenerList.size() > 0)
{
// Notify progress listener if there is progress change
ArrayList<ProgressListener> listeners;
// Copy progress listeners to another list to avoid holding locks
synchronized(progressListenerList) {
listeners = new ArrayList<>(progressListenerList);
}
// Fire event on each progress listener
for (ProgressListener pl : listeners) {
ProgressEvent pe = new ProgressEvent(pi, pi.getURL(), pi.getMethod(), pi.getContentType(), pi.getState(), pi.getProgress(), pi.getExpected());
pl.progressFinish(pe);
}
}
}
/**
* Progress source is updated.
*/
public void updateProgress(ProgressSource pi) {
synchronized (progressSourceList) {
if (progressSourceList.contains(pi) == false)
return;
}
// Notify only if there is at least one listener
if (progressListenerList.size() > 0)
{
// Notify progress listener if there is progress change
ArrayList<ProgressListener> listeners;
// Copy progress listeners to another list to avoid holding locks
synchronized(progressListenerList) {
listeners = new ArrayList<>(progressListenerList);
}
// Fire event on each progress listener
for (ProgressListener pl : listeners) {
ProgressEvent pe = new ProgressEvent(pi, pi.getURL(), pi.getMethod(), pi.getContentType(), pi.getState(), pi.getProgress(), pi.getExpected());
pl.progressUpdate(pe);
}
}
}
/**
* Add progress listener in progress monitor.
*/
public void addProgressListener(ProgressListener l) {
synchronized(progressListenerList) {
progressListenerList.add(l);
}
}
/**
* Remove progress listener from progress monitor.
*/
public void removeProgressListener(ProgressListener l) {
synchronized(progressListenerList) {
progressListenerList.remove(l);
}
}
// Metering policy
private static ProgressMeteringPolicy meteringPolicy = new DefaultProgressMeteringPolicy();
// Default implementation
private static ProgressMonitor pm = new ProgressMonitor();
// ArrayList for outstanding progress sources
private ArrayList<ProgressSource> progressSourceList = new ArrayList<ProgressSource>();
// ArrayList for progress listeners
private ArrayList<ProgressListener> progressListenerList = new ArrayList<ProgressListener>();
}
/**
* Default progress metering policy.
*/
class DefaultProgressMeteringPolicy implements ProgressMeteringPolicy {
/**
* Return true if metering should be turned on for a particular network input stream.
*/
public boolean shouldMeterInput(URL url, String method)
{
// By default, no URL input stream is metered for
// performance reason.
return false;
}
/**
* Return update notification threshold.
*/
public int getProgressUpdateThreshold() {
// 8K - same as default I/O buffer size
return 8192;
}
}

210
src/java.base/share/classes/sun/net/ProgressSource.java
View file

@ -1,210 +0,0 @@
/*
* Copyright (c) 2004, 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 sun.net;
import java.net.URL;
/**
* ProgressSource represents the source of progress changes.
*
* @author Stanley Man-Kit Ho
*/
public class ProgressSource
{
public enum State { NEW, CONNECTED, UPDATE, DELETE };
// URL
private URL url;
// URL method
private String method;
// Content type
private String contentType;
// bytes read
private long progress = 0;
// last bytes read
private long lastProgress = 0;
//bytes expected
private long expected = -1;
// the last thing to happen with this source
private State state;
// connect flag
private boolean connected = false;
// threshold for notification
private int threshold = 8192;
// progress monitor
private ProgressMonitor progressMonitor;
/**
* Construct progress source object.
*/
public ProgressSource(URL url, String method) {
this(url, method, -1);
}
/**
* Construct progress source object.
*/
public ProgressSource(URL url, String method, long expected) {
this.url = url;
this.method = method;
this.contentType = "content/unknown";
this.progress = 0;
this.lastProgress = 0;
this.expected = expected;
this.state = State.NEW;
this.progressMonitor = ProgressMonitor.getDefault();
this.threshold = progressMonitor.getProgressUpdateThreshold();
}
public boolean connected() {
if (!connected) {
connected = true;
state = State.CONNECTED;
return false;
}
return true;
}
/**
* Close progress source.
*/
public void close() {
state = State.DELETE;
}
/**
* Return URL of progress source.
*/
public URL getURL() {
return url;
}
/**
* Return method of URL.
*/
public String getMethod() {
return method;
}
/**
* Return content type of URL.
*/
public String getContentType() {
return contentType;
}
// Change content type
public void setContentType(String ct) {
contentType = ct;
}
/**
* Return current progress.
*/
public long getProgress() {
return progress;
}
/**
* Return expected maximum progress; -1 if expected is unknown.
*/
public long getExpected() {
return expected;
}
/**
* Return state.
*/
public State getState() {
return state;
}
/**
* Begin progress tracking.
*/
public void beginTracking() {
progressMonitor.registerSource(this);
}
/**
* Finish progress tracking.
*/
public void finishTracking() {
progressMonitor.unregisterSource(this);
}
/**
* Update progress.
*/
public void updateProgress(long latestProgress, long expectedProgress) {
lastProgress = progress;
progress = latestProgress;
expected = expectedProgress;
if (connected() == false)
state = State.CONNECTED;
else
state = State.UPDATE;
// The threshold effectively divides the progress into
// different set of ranges:
//
// Range 0: 0..threshold-1,
// Range 1: threshold .. 2*threshold-1
// ....
// Range n: n*threshold .. (n+1)*threshold-1
//
// To determine which range the progress belongs to, it
// would be calculated as follow:
//
// range number = progress / threshold
//
// Notification should only be triggered when the current
// progress and the last progress are in different ranges,
// i.e. they have different range numbers.
//
// Using this range scheme, notification will be generated
// only once when the progress reaches each range.
//
if (lastProgress / threshold != progress / threshold) {
progressMonitor.updateProgress(this);
}
// Detect read overrun
if (expected != -1) {
if (progress >= expected && progress != 0)
close();
}
}
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
public String toString() {
return getClass().getName() + "[url=" + url + ", method=" + method + ", state=" + state
+ ", content-type=" + contentType + ", progress=" + progress + ", expected=" + expected + "]";
}
}

27
src/java.base/share/classes/sun/net/www/MeteredStream.java
View file

@ -27,7 +27,6 @@ package sun.net.www;
import java.io.*;
import java.util.concurrent.locks.ReentrantLock;
import sun.net.ProgressSource;
import sun.net.www.http.ChunkedInputStream;
@ -42,19 +41,13 @@ public class MeteredStream extends FilterInputStream {
protected long count = 0;
protected long markedCount = 0;
protected int markLimit = -1;
protected ProgressSource pi;
private final ReentrantLock readLock = new ReentrantLock();
public MeteredStream(InputStream is, ProgressSource pi, long expected)
public MeteredStream(InputStream is, long expected)
{
super(is);
this.pi = pi;
this.expected = expected;
if (pi != null) {
pi.updateProgress(0, expected);
}
}
private final void justRead(long n) throws IOException {
@ -81,9 +74,6 @@ public class MeteredStream extends FilterInputStream {
markLimit = -1;
}
if (pi != null)
pi.updateProgress(count, expected);
if (isMarked()) {
return;
}
@ -170,8 +160,6 @@ public class MeteredStream extends FilterInputStream {
lock();
try {
if (closed) return;
if (pi != null)
pi.finishTracking();
closed = true;
in.close();
@ -241,17 +229,4 @@ public class MeteredStream extends FilterInputStream {
public final boolean isLockHeldByCurrentThread() {
return readLock.isHeldByCurrentThread();
}
@SuppressWarnings("removal")
protected void finalize() throws Throwable {
try {
close();
if (pi != null)
pi.close();
}
finally {
// Call super class
super.finalize();
}
}
}

48
src/java.base/share/classes/sun/net/www/http/HttpClient.java
View file

@ -34,7 +34,6 @@ import java.util.Properties;
import java.util.concurrent.locks.ReentrantLock;
import sun.net.NetworkClient;
import sun.net.ProgressSource;
import sun.net.www.MessageHeader;
import sun.net.www.HeaderParser;
import sun.net.www.MeteredStream;
@ -741,7 +740,7 @@ public class HttpClient extends NetworkClient {
/** Parse the first line of the HTTP request. It usually looks
something like: {@literal "HTTP/1.0 <number> comment\r\n"}. */
public boolean parseHTTP(MessageHeader responses, ProgressSource pi, HttpURLConnection httpuc)
public boolean parseHTTP(MessageHeader responses, HttpURLConnection httpuc)
throws IOException {
/* If "HTTP/*" is found in the beginning, return true. Let
* HttpURLConnection parse the mime header itself.
@ -758,7 +757,7 @@ public class HttpClient extends NetworkClient {
serverInput = new HttpCaptureInputStream(serverInput, capture);
}
serverInput = new BufferedInputStream(serverInput);
return (parseHTTPHeader(responses, pi, httpuc));
return (parseHTTPHeader(responses, httpuc));
} catch (SocketTimeoutException stex) {
// We don't want to retry the request when the app. sets a timeout
// but don't close the server if timeout while waiting for 100-continue
@ -785,7 +784,7 @@ public class HttpClient extends NetworkClient {
checkTunneling(httpuc);
afterConnect();
writeRequests(requests, poster);
return parseHTTP(responses, pi, httpuc);
return parseHTTP(responses, httpuc);
}
}
throw e;
@ -805,7 +804,7 @@ public class HttpClient extends NetworkClient {
}
}
private boolean parseHTTPHeader(MessageHeader responses, ProgressSource pi, HttpURLConnection httpuc)
private boolean parseHTTPHeader(MessageHeader responses, HttpURLConnection httpuc)
throws IOException {
/* If "HTTP/*" is found in the beginning, return true. Let
* HttpURLConnection parse the mime header itself.
@ -951,7 +950,7 @@ public class HttpClient extends NetworkClient {
checkTunneling(httpuc);
afterConnect();
writeRequests(requests, poster);
return parseHTTP(responses, pi, httpuc);
return parseHTTP(responses, httpuc);
}
}
throw new SocketException("Unexpected end of file from server");
@ -994,7 +993,7 @@ public class HttpClient extends NetworkClient {
|| (code >= 102 && code <= 199)) {
logFinest("Ignoring interim informational 1xx response: " + code);
responses.reset();
return parseHTTPHeader(responses, pi, httpuc);
return parseHTTPHeader(responses, httpuc);
}
long cl = -1;
@ -1067,11 +1066,6 @@ public class HttpClient extends NetworkClient {
// In this case, content length is well known, so it is okay
// to wrap the input stream with KeepAliveStream/MeteredStream.
if (pi != null) {
// Progress monitor is enabled
pi.setContentType(responses.findValue("content-type"));
}
// If disableKeepAlive == true, the client will not be returned
// to the cache. But we still need to use a keepalive stream to
// allow the multi-message authentication exchange on the connection
@ -1079,39 +1073,13 @@ public class HttpClient extends NetworkClient {
if (useKeepAliveStream) {
// Wrap KeepAliveStream if keep alive is enabled.
logFinest("KeepAlive stream used: " + url);
serverInput = new KeepAliveStream(serverInput, pi, cl, this);
serverInput = new KeepAliveStream(serverInput, cl, this);
failedOnce = false;
}
else {
serverInput = new MeteredStream(serverInput, pi, cl);
serverInput = new MeteredStream(serverInput, cl);
}
}
else if (cl == -1) {
// In this case, content length is unknown - the input
// stream would simply be a regular InputStream or
// ChunkedInputStream.
if (pi != null) {
// Progress monitoring is enabled.
pi.setContentType(responses.findValue("content-type"));
// Wrap MeteredStream for tracking indeterministic
// progress, even if the input stream is ChunkedInputStream.
serverInput = new MeteredStream(serverInput, pi, cl);
}
else {
// Progress monitoring is disabled, and there is no
// need to wrap an unknown length input stream.
// ** This is an no-op **
}
}
else {
if (pi != null)
pi.finishTracking();
}
return ret;
}

8
src/java.base/share/classes/sun/net/www/http/KeepAliveStream.java
View file

@ -27,7 +27,6 @@ package sun.net.www.http;
import java.io.*;
import sun.net.ProgressSource;
import sun.net.www.MeteredStream;
import jdk.internal.misc.InnocuousThread;
@ -56,8 +55,8 @@ class KeepAliveStream extends MeteredStream implements Hurryable {
/**
* Constructor
*/
public KeepAliveStream(InputStream is, ProgressSource pi, long expected, HttpClient hc) {
super(is, pi, expected);
public KeepAliveStream(InputStream is, long expected, HttpClient hc) {
super(is, expected);
this.hc = hc;
}
@ -101,9 +100,6 @@ class KeepAliveStream extends MeteredStream implements Hurryable {
hc.finished();
}
} finally {
if (pi != null)
pi.finishTracking();
if (!queuedForCleanup) {
// nulling out the underlying inputstream as well as
// httpClient to let gc collect the memories faster

11
src/java.base/share/classes/sun/net/www/protocol/file/FileURLConnection.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1995, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1995, 2022, 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
@ -36,7 +36,6 @@ import java.net.FileNameMap;
import java.io.*;
import java.text.Collator;
import java.security.Permission;
import sun.net.*;
import sun.net.www.*;
import java.util.*;
import java.text.SimpleDateFormat;
@ -82,15 +81,7 @@ public class FileURLConnection extends URLConnection {
throw new FileNotFoundException(filename + " exists, but is not accessible");
files = Arrays.<String>asList(fileList);
} else {
is = new BufferedInputStream(new FileInputStream(filename));
// Check if URL should be metered
boolean meteredInput = ProgressMonitor.getDefault().shouldMeterInput(url, "GET");
if (meteredInput) {
ProgressSource pi = new ProgressSource(url, "GET", file.length());
is = new MeteredStream(is, pi, file.length());
}
}
} catch (IOException e) {
throw e;

14
src/java.base/share/classes/sun/net/www/protocol/ftp/FtpURLConnection.java
View file

@ -56,8 +56,6 @@ import sun.net.www.URLConnection;
import sun.net.www.protocol.http.HttpURLConnection;
import sun.net.ftp.FtpClient;
import sun.net.ftp.FtpProtocolException;
import sun.net.ProgressSource;
import sun.net.ProgressMonitor;
import sun.net.www.ParseUtil;
import sun.security.action.GetPropertyAction;
@ -466,17 +464,7 @@ public class FtpURLConnection extends URLConnection {
// Wrap input stream with MeteredStream to ensure read() will always return -1
// at expected length.
// Check if URL should be metered
boolean meteredInput = ProgressMonitor.getDefault().shouldMeterInput(url, "GET");
ProgressSource pi = null;
if (meteredInput) {
pi = new ProgressSource(url, "GET", l);
pi.beginTracking();
}
is = new MeteredStream(is, pi, l);
is = new MeteredStream(is, l);
}
} catch (Exception e) {
e.printStackTrace();

34
src/java.base/share/classes/sun/net/www/protocol/http/HttpURLConnection.java
View file

@ -67,7 +67,8 @@ import java.util.Set;
import java.util.StringJoiner;
import jdk.internal.access.JavaNetHttpCookieAccess;
import jdk.internal.access.SharedSecrets;
import sun.net.*;
import sun.net.NetProperties;
import sun.net.NetworkClient;
import sun.net.util.IPAddressUtil;
import sun.net.www.*;
import sun.net.www.http.HttpClient;
@ -384,9 +385,6 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
String serverAuthKey, proxyAuthKey;
/* Progress source */
protected ProgressSource pi;
/* all the response headers we get back */
private MessageHeader responses;
/* the stream _from_ the server */
@ -1331,7 +1329,7 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
}
try {
http.parseHTTP(responses, pi, this);
http.parseHTTP(responses, this);
} catch (SocketTimeoutException se) {
if (!enforceTimeOut) {
throw se;
@ -1662,14 +1660,6 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
return cachedInputStream;
}
// Check if URL should be metered
boolean meteredInput = ProgressMonitor.getDefault().shouldMeterInput(url, method);
if (meteredInput) {
pi = new ProgressSource(url, method);
pi.beginTracking();
}
/* REMIND: This exists to fix the HttpsURLConnection subclass.
* Hotjava needs to run on JDK1.1FCS. Do proper fix once a
* proper solution for SSL can be found.
@ -1679,7 +1669,7 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
if (!streaming()) {
writeRequests();
}
http.parseHTTP(responses, pi, this);
http.parseHTTP(responses, this);
if (logger.isLoggable(PlatformLogger.Level.FINE)) {
logger.fine(responses.toString());
}
@ -1943,10 +1933,6 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
respCode == HTTP_NOT_MODIFIED ||
respCode == HTTP_NO_CONTENT) {
if (pi != null) {
pi.finishTracking();
pi = null;
}
http.finished();
http = null;
inputStream = new EmptyInputStream();
@ -2166,9 +2152,7 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
sendCONNECTRequest();
responses.reset();
// There is no need to track progress in HTTP Tunneling,
// so ProgressSource is null.
http.parseHTTP(responses, null, this);
http.parseHTTP(responses, this);
/* Log the response to the CONNECT */
if (logger.isLoggable(PlatformLogger.Level.FINE)) {
@ -3045,10 +3029,6 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
private void disconnectInternal() {
responseCode = -1;
inputStream = null;
if (pi != null) {
pi.finishTracking();
pi = null;
}
if (http != null) {
http.closeServer();
http = null;
@ -3062,10 +3042,6 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
public void disconnect() {
responseCode = -1;
if (pi != null) {
pi.finishTracking();
pi = null;
}
if (http != null) {
/*