org.atmosphere.cpr.AtmosphereResourceImpl Maven / Gradle / Ivy
/*
* Copyright 2013 Jeanfrancois Arcand
*
* Licensed 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.
*/
/*
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
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*
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package org.atmosphere.cpr;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.UUID;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.atmosphere.cpr.ApplicationConfig.SUSPENDED_ATMOSPHERE_RESOURCE_UUID;
import static org.atmosphere.cpr.HeaderConfig.ACCESS_CONTROL_ALLOW_CREDENTIALS;
import static org.atmosphere.cpr.HeaderConfig.ACCESS_CONTROL_ALLOW_ORIGIN;
import static org.atmosphere.cpr.HeaderConfig.CACHE_CONTROL;
import static org.atmosphere.cpr.HeaderConfig.EXPIRES;
import static org.atmosphere.cpr.HeaderConfig.PRAGMA;
import static org.atmosphere.cpr.HeaderConfig.WEBSOCKET_UPGRADE;
import static org.atmosphere.cpr.HeaderConfig.X_ATMOSPHERE_ERROR;
import static org.atmosphere.cpr.HeaderConfig.X_ATMOSPHERE_TRANSPORT;
/**
* {@link AtmosphereResource} implementation for supporting {@link AtmosphereRequest}
* and {@link AtmosphereResponse}.
*
* @author Jeanfrancois Arcand
*/
public class AtmosphereResourceImpl implements AtmosphereResource {
private static final Logger logger = LoggerFactory.getLogger(AtmosphereResourceImpl.class);
public static final String PRE_SUSPEND = AtmosphereResourceImpl.class.getName() + ".preSuspend";
public static final String SKIP_BROADCASTER_CREATION = AtmosphereResourceImpl.class.getName() + ".skipBroadcasterCreation";
public static final String METEOR = Meteor.class.getName();
private final AtmosphereRequest req;
private final AtmosphereResponse response;
protected final Action action = new Action();
protected Broadcaster broadcaster;
private final AtmosphereConfig config;
protected final AsyncSupport asyncSupport;
private Serializer serializer;
private boolean isInScope = true;
private final AtmosphereResourceEventImpl event;
private String beginCompatibleData;
private boolean useWriter = true;
private AtomicBoolean isResumed = new AtomicBoolean();
private AtomicBoolean isCancelled = new AtomicBoolean();
private AtomicBoolean resumeOnBroadcast = new AtomicBoolean();
private Object writeOnTimeout = null;
private boolean disableSuspend = false;
private final AtomicBoolean disconnected = new AtomicBoolean();
private final ConcurrentLinkedQueue listeners =
new ConcurrentLinkedQueue();
private final boolean injectCacheHeaders;
private final boolean enableAccessControl;
private final AtomicBoolean isSuspendEvent = new AtomicBoolean();
private AtmosphereHandler atmosphereHandler;
private final boolean writeHeaders;
private String padding;
private final String uuid;
protected HttpSession session;
/**
* Create an {@link AtmosphereResource}.
*
* @param config The {@link org.atmosphere.cpr.AtmosphereConfig}
* @param broadcaster The {@link org.atmosphere.cpr.Broadcaster}.
* @param req The {@link AtmosphereRequest}
* @param response The {@link AtmosphereResource}
* @param asyncSupport The {@link AsyncSupport}
* @param atmosphereHandler The {@link AtmosphereHandler}
*/
public AtmosphereResourceImpl(AtmosphereConfig config, Broadcaster broadcaster,
AtmosphereRequest req, AtmosphereResponse response,
AsyncSupport asyncSupport, AtmosphereHandler atmosphereHandler) {
this.req = req;
this.response = response;
this.broadcaster = broadcaster;
this.config = config;
this.asyncSupport = asyncSupport;
this.atmosphereHandler = atmosphereHandler;
this.event = new AtmosphereResourceEventImpl(this);
String nocache = config.getInitParameter(ApplicationConfig.NO_CACHE_HEADERS);
injectCacheHeaders = nocache != null ? false : true;
String ac = config.getInitParameter(ApplicationConfig.DROP_ACCESS_CONTROL_ALLOW_ORIGIN_HEADER);
enableAccessControl = ac != null ? !Boolean.parseBoolean(ac) : true;
String wh = config.getInitParameter(FrameworkConfig.WRITE_HEADERS);
writeHeaders = wh != null ? Boolean.parseBoolean(wh) : true;
req.setAttribute(ApplicationConfig.NO_CACHE_HEADERS, injectCacheHeaders);
req.setAttribute(ApplicationConfig.DROP_ACCESS_CONTROL_ALLOW_ORIGIN_HEADER, enableAccessControl);
padding = config.getInitParameter(ApplicationConfig.STREAMING_PADDING_MODE);
if (padding == null) {
padding = FrameworkConfig.WHITESPACE_PADDING;
}
req.setAttribute(ApplicationConfig.STREAMING_PADDING_MODE, padding);
String s = response.getHeader(HeaderConfig.X_ATMOSPHERE_TRACKING_ID);
if (s == null) {
s = (String) getRequest().getAttribute(SUSPENDED_ATMOSPHERE_RESOURCE_UUID);
}
uuid = s == null ? UUID.randomUUID().toString() : s;
if (config.isSupportSession()) {
//Keep a reference to an HttpSession in case the associated request get recycled by the underlying container.
try {
session = req.getSession(true);
} catch (NullPointerException ex) {
// http://java.net/jira/browse/GLASSFISH-18856
logger.trace("http://java.net/jira/browse/GLASSFISH-18856", ex);
}
}
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResourceEventImpl getAtmosphereResourceEvent() {
return event;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereHandler getAtmosphereHandler() {
return atmosphereHandler;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource writeOnTimeout(Object o) {
writeOnTimeout = o;
return this;
}
/**
* {@inheritDoc}
*/
@Override
public Object writeOnTimeout() {
return writeOnTimeout;
}
@Override
public String uuid() {
return uuid;
}
/**
* {@inheritDoc}
*/
@Override
public TRANSPORT transport() {
if (req == null) return TRANSPORT.UNDEFINED;
String s = req.getHeader(HeaderConfig.X_ATMOSPHERE_TRANSPORT);
if (s == null) return TRANSPORT.UNDEFINED;
s = s.replace("-", "_").toUpperCase();
if (TRANSPORT.POLLING.name().equals(s)) {
return TRANSPORT.POLLING;
} else if (TRANSPORT.LONG_POLLING.name().equals(s)) {
return TRANSPORT.LONG_POLLING;
} else if (TRANSPORT.STREAMING.name().equals(s)) {
return TRANSPORT.STREAMING;
} else if (TRANSPORT.JSONP.name().equals(s)) {
return TRANSPORT.JSONP;
} else if (TRANSPORT.WEBSOCKET.name().equals(s)) {
return TRANSPORT.WEBSOCKET;
} else if (TRANSPORT.SSE.name().equals(s)) {
return TRANSPORT.SSE;
} else if (TRANSPORT.AJAX.name().equals(s)) {
return TRANSPORT.AJAX;
} else {
return TRANSPORT.UNDEFINED;
}
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource resumeOnBroadcast(boolean resumeOnBroadcast) {
this.resumeOnBroadcast.set(resumeOnBroadcast);
// For legacy reason
req.setAttribute(ApplicationConfig.RESUME_ON_BROADCAST, resumeOnBroadcast);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public boolean isSuspended() {
return event.isSuspended();
}
/**
* {@inheritDoc}
*/
@Override
public boolean resumeOnBroadcast() {
boolean rob = resumeOnBroadcast.get();
if (!rob) {
Boolean b = (Boolean) req.getAttribute(ApplicationConfig.RESUME_ON_BROADCAST);
return b == null ? false : b;
}
return rob;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource resume() {
try {
if (!isResumed.getAndSet(true) && isInScope) {
logger.trace("AtmosphereResource {} is resuming", uuid());
action.type(Action.TYPE.RESUME);
// We need it as Jetty doesn't support timeout
Broadcaster b = getBroadcaster(false);
if (!b.isDestroyed() && b instanceof DefaultBroadcaster) {
((DefaultBroadcaster) b).broadcastOnResume(this);
}
notifyListeners();
try {
if (!b.isDestroyed()) {
broadcaster.removeAtmosphereResource(this);
}
} catch (IllegalStateException ex) {
logger.warn("Unable to resume", this);
logger.debug(ex.getMessage(), ex);
}
if (b.getScope() == Broadcaster.SCOPE.REQUEST) {
logger.debug("Broadcaster's scope is set to request, destroying it {}", b.getID());
b.destroy();
}
// Resuming here means we need to pull away from all other Broadcaster, if they exists.
if (config.getBroadcasterFactory() != null) {
config.getBroadcasterFactory().removeAllAtmosphereResource(this);
}
try {
req.setAttribute(ApplicationConfig.RESUMED_ON_TIMEOUT, Boolean.FALSE);
} catch (Exception ex) {
logger.debug("Resume exception: Cannot resume an already resumed/cancelled request", ex);
} finally {
try {
Meteor m = (Meteor) req.getAttribute(METEOR);
if (m != null) {
m.destroy();
}
} catch (Exception ex) {
logger.debug("Meteor resume exception: Cannot resume an already resumed/cancelled request", ex);
}
}
if (req.getAttribute(PRE_SUSPEND) == null) {
asyncSupport.action(this);
}
} else {
logger.trace("Already resumed {}", this);
return this;
}
} catch (Throwable t) {
logger.trace("Wasn't able to resume a connection {}", this, t);
}
listeners.clear();
return this;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource suspend() {
return suspend(-1);
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource suspend(long timeout) {
return suspend(timeout, true);
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource suspend(long timeout, TimeUnit timeunit) {
return suspend(timeout, timeunit, true);
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource suspend(long timeout, TimeUnit timeunit, boolean flushComment) {
long timeoutms = -1;
if (timeunit != null) {
timeoutms = TimeUnit.MILLISECONDS.convert(timeout, timeunit);
}
return suspend(timeoutms, flushComment);
}
public AtmosphereResource suspend(long timeout, boolean flushComment) {
if (event.isSuspended() || disableSuspend) return this;
if (req.getSession(false) != null
&& req.getSession().getMaxInactiveInterval() != -1
&& req.getSession().getMaxInactiveInterval() * 1000 < timeout) {
throw new IllegalStateException("Cannot suspend a " +
"response longer than the session timeout. Increase the value of session-timeout in web.xml");
}
if (!event.isResumedOnTimeout()) {
Enumeration connection = req.getHeaders("Connection");
if (connection == null) {
connection = req.getHeaders("connection");
}
if (connection != null && connection.hasMoreElements()) {
String[] e = connection.nextElement().toString().split(",");
for (String upgrade : e) {
if (upgrade.trim().equalsIgnoreCase(WEBSOCKET_UPGRADE)) {
if (writeHeaders && !asyncSupport.supportWebSocket()) {
response.addHeader(X_ATMOSPHERE_ERROR, "Websocket protocol not supported");
} else {
req.setAttribute(FrameworkConfig.TRANSPORT_IN_USE, HeaderConfig.WEBSOCKET_TRANSPORT);
flushComment = false;
}
}
}
}
if (req.getHeader(X_ATMOSPHERE_TRANSPORT) != null && !req.getHeader(X_ATMOSPHERE_TRANSPORT).equalsIgnoreCase("streaming")) {
flushComment = false;
}
if (flushComment) {
req.setAttribute(FrameworkConfig.TRANSPORT_IN_USE, HeaderConfig.STREAMING_TRANSPORT);
} else if (req.getHeader(X_ATMOSPHERE_TRANSPORT) == null) {
req.setAttribute(FrameworkConfig.TRANSPORT_IN_USE, HeaderConfig.LONG_POLLING_TRANSPORT);
}
if (writeHeaders && injectCacheHeaders) {
// Set to expire far in the past.
response.setHeader(EXPIRES, "-1");
// Set standard HTTP/1.1 no-cache headers.
response.setHeader(CACHE_CONTROL, "no-store, no-cache, must-revalidate");
// Set standard HTTP/1.0 no-cache header.
response.setHeader(PRAGMA, "no-cache");
}
cors();
if (flushComment) {
write(true);
}
req.setAttribute(PRE_SUSPEND, "true");
action.type(Action.TYPE.SUSPEND);
action.timeout(timeout);
// TODO: We can possibly optimize that call by avoiding creating a Broadcaster if we are sure the Broadcaster
// is unique.
boolean isJersey = req.getAttribute(FrameworkConfig.CONTAINER_RESPONSE) != null;
boolean skipCreation = false;
if (req.getAttribute(SKIP_BROADCASTER_CREATION) != null) {
skipCreation = true;
}
// Null means SCOPE=REQUEST set by a Meteor
if (!skipCreation && (broadcaster == null || broadcaster.getScope() == Broadcaster.SCOPE.REQUEST) && !isJersey) {
String id = broadcaster != null ? broadcaster.getID() : getClass().getName();
Class clazz = broadcaster != null ? broadcaster.getClass() : DefaultBroadcaster.class;
broadcaster = config.getBroadcasterFactory().lookup(clazz, id, false);
if (broadcaster == null || broadcaster.getAtmosphereResources().size() > 0) {
broadcaster = config.getBroadcasterFactory().lookup(clazz, id + "/" + UUID.randomUUID(), true);
}
}
broadcaster.addAtmosphereResource(this);
if (req.getAttribute(DefaultBroadcaster.CACHED) != null && transport() != null && (
transport().equals(TRANSPORT.LONG_POLLING) || transport().equals(TRANSPORT.JSONP))) {
action.type(Action.TYPE.CONTINUE);
// Do nothing because we have found cached message which was written already, and the handler resumed.
logger.debug("Cached message found, not suspending {}", uuid());
return this;
}
req.removeAttribute(PRE_SUSPEND);
notifyListeners();
}
return this;
}
void write(boolean flushPadding) {
if (beginCompatibleData == null) {
beginCompatibleData = createStreamingPadding(padding);
}
try {
if (useWriter && !((Boolean) req.getAttribute(ApplicationConfig.PROPERTY_USE_STREAM))) {
try {
response.getWriter();
} catch (IllegalStateException e) {
return;
}
if (flushPadding) response.getWriter().write(beginCompatibleData);
response.getWriter().flush();
} else {
try {
response.getOutputStream();
} catch (IllegalStateException e) {
return;
}
if (flushPadding) response.getOutputStream().write(beginCompatibleData.getBytes());
response.getOutputStream().flush();
}
} catch (Throwable ex) {
logger.warn("failed to write to response", ex);
}
}
/**
* {@inheritDoc}
*/
public AtmosphereRequest getRequest(boolean enforceScope) {
if (enforceScope && !isInScope) {
throw new IllegalStateException("Request object no longer" + " valid. This object has been cancelled");
}
return req;
}
/**
* {@inheritDoc}
*/
public AtmosphereResponse getResponse(boolean enforceScope) {
if (enforceScope && !isInScope) {
throw new IllegalStateException("Response object no longer valid. This object has been cancelled");
}
return response;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereRequest getRequest() {
return getRequest(true);
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResponse getResponse() {
return getResponse(true);
}
/**
* {@inheritDoc}
*/
@Override
public Broadcaster getBroadcaster() {
return getBroadcaster(true);
}
protected Broadcaster getBroadcaster(boolean autoCreate) {
if (broadcaster == null) {
throw new IllegalStateException("No Broadcaster associated with this AtmosphereResource.");
}
String s = config.getInitParameter(ApplicationConfig.RECOVER_DEAD_BROADCASTER);
if (s != null) {
autoCreate = Boolean.parseBoolean(s);
}
if (autoCreate && broadcaster.isDestroyed() && config.getBroadcasterFactory() != null) {
logger.debug("Broadcaster {} has been destroyed and cannot be re-used. Recreating a new one with the same name. You can turn off that" +
" mechanism by adding, in web.xml, {} set to false", broadcaster.getID(), ApplicationConfig.RECOVER_DEAD_BROADCASTER);
Broadcaster.SCOPE scope = broadcaster.getScope();
synchronized (this) {
String id = scope != Broadcaster.SCOPE.REQUEST ? broadcaster.getID() : broadcaster.getID() + ".recovered" + UUID.randomUUID();
// Another Thread may have added the Broadcaster.
broadcaster = config.getBroadcasterFactory().lookup(id, true);
broadcaster.setScope(scope);
broadcaster.addAtmosphereResource(this);
}
}
return broadcaster;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResourceImpl setBroadcaster(Broadcaster broadcaster) {
this.broadcaster = broadcaster;
return this;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereConfig getAtmosphereConfig() {
return config;
}
/**
* Return the {@link Action} which represent the state of the response,
* e.g. suspended, resumed or timedout.
*
* @return the {@link Action}
*/
public Action action() {
return action;
}
/**
* Protect the object for being used after it got cancelled.
*
* @param isInScope
*/
public void setIsInScope(boolean isInScope) {
this.isInScope = isInScope;
}
/**
* Is the {@link AtmosphereRequest} still valid.
*
* @return true if the {@link AtmosphereRequest} still valid
*/
public boolean isInScope() {
return isInScope;
}
/**
* Set the {@link Serializer} used to write broadcasted object.
*
* @param s
*/
@Override
public AtmosphereResource setSerializer(Serializer s) {
serializer = s;
return this;
}
/**
* {@inheritDoc}
*/
@Override
public boolean isResumed() {
return isResumed.get();
}
/**
* {@inheritDoc}
*/
@Override
public boolean isCancelled() {
return isCancelled.get();
}
/**
* Write the broadcasted object using the {@link OutputStream}. If a
* {@link Serializer} is defined, the operation will be delagated to it. If
* not, the (Response) OutputStream will be used by calling
* Object.toString.getBytes()
*
* @param os an {@link OutputStream}
* @param o an Object
* @throws IOException
*/
@Override
public AtmosphereResource write(OutputStream os, Object o) throws IOException {
if (o == null) throw new IllegalStateException("Object cannot be null");
if (serializer != null) {
serializer.write(os, o);
} else {
response.getOutputStream().write(o.toString().getBytes(response.getCharacterEncoding()));
}
return this;
}
/**
* {@inheritDoc}
*/
@Override
public Serializer getSerializer() {
return serializer;
}
/**
* Output message when Atmosphere suspend a connection.
*
* @return message when Atmosphere suspend a connection.
*/
public static String createStreamingPadding(String padding) {
StringBuilder s = new StringBuilder();
if (padding == null || padding.equalsIgnoreCase(FrameworkConfig.ATMOSPHERE_PADDING)) {
logger.error("Atmosphere PADDING no longer supported started with 1.0.13");
s.append("\n");
s.append("\n");
for (int i = 0; i < 10; i++) {
s.append("\n");
}
s.append("");
} else if (padding.equalsIgnoreCase(FrameworkConfig.WHITESPACE_PADDING)) {
for (int i = 0; i < 8192; i++) {
s.append(" ");
}
} else {
return padding;
}
return s.toString();
}
/**
* Add a {@link AtmosphereResourceEventListener}.
*
* @param e an instance of AtmosphereResourceEventListener
*/
public AtmosphereResource addEventListener(AtmosphereResourceEventListener e) {
if (listeners.contains(e)) return this;
listeners.add(e);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource removeEventListener(AtmosphereResourceEventListener e) {
listeners.remove(e);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource removeEventListeners() {
listeners.clear();
return this;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource notifyListeners() {
notifyListeners(event);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource notifyListeners(AtmosphereResourceEvent event) {
if (listeners.size() > 0) {
logger.trace("Invoking listener with {}", event);
} else {
return this;
}
Action oldAction = action;
try {
if (event.isCancelled()) {
if (!disconnected.getAndSet(true)) {
onDisconnect(event);
}
} else if (event.isResuming() || event.isResumedOnTimeout()) {
onResume(event);
} else if (!isSuspendEvent.getAndSet(true) && event.isSuspended()) {
onSuspend(event);
} else if (event.throwable() != null) {
onThrowable(event);
} else {
onBroadcast(event);
}
if (oldAction.type() != action.type()) {
action().type(Action.TYPE.CREATED);
}
} catch (Throwable t) {
logger.trace("Listener error {}", t);
AtmosphereResourceEventImpl.class.cast(event).setThrowable(t);
try {
onThrowable(event);
} catch (Throwable t2) {
logger.warn("Listener error {}", t2);
}
}
return this;
}
/**
* Notify {@link AtmosphereResourceEventListener} an unexpected exception occured.\
*
* @pram a {@link Throwable}
*/
public void onThrowable(Throwable t) {
onThrowable(new AtmosphereResourceEventImpl(this, false, false, t));
}
void onThrowable(AtmosphereResourceEvent e) {
for (AtmosphereResourceEventListener r : listeners) {
r.onThrowable(e);
}
}
void onSuspend(AtmosphereResourceEvent e) {
for (AtmosphereResourceEventListener r : listeners) {
r.onSuspend(e);
}
}
void onResume(AtmosphereResourceEvent e) {
for (AtmosphereResourceEventListener r : listeners) {
r.onResume(e);
}
}
void onDisconnect(AtmosphereResourceEvent e) {
for (AtmosphereResourceEventListener r : listeners) {
r.onDisconnect(e);
}
}
void onBroadcast(AtmosphereResourceEvent e) {
for (AtmosphereResourceEventListener r : listeners) {
r.onBroadcast(e);
}
}
public ConcurrentLinkedQueue atmosphereResourceEventListener() {
return listeners;
}
public AtmosphereResourceImpl atmosphereHandler(AtmosphereHandler atmosphereHandler) {
this.atmosphereHandler = atmosphereHandler;
return this;
}
public void cancel() throws IOException {
if (!isCancelled.getAndSet(true)) {
logger.trace("Cancelling {}", uuid);
SessionTimeoutSupport.restoreTimeout(req);
action.type(Action.TYPE.RESUME);
asyncSupport.action(this);
// We must close the underlying WebSocket as well.
if (AtmosphereResponse.class.isAssignableFrom(response.getClass())) {
AtmosphereResponse.class.cast(response).close();
AtmosphereResponse.class.cast(response).destroy();
}
if (AtmosphereRequest.class.isAssignableFrom(req.getClass())) {
AtmosphereRequest.class.cast(req).destroy();
}
if (broadcaster != null) {
broadcaster.removeAtmosphereResource(this);
}
event.destroy();
}
}
public void _destroy() {
try {
removeEventListeners();
try {
getBroadcaster(false).removeAtmosphereResource(this);
} catch (IllegalStateException ex) {
logger.trace(ex.getMessage(), ex);
}
if (config.getBroadcasterFactory().getDefault() != null) {
config.getBroadcasterFactory().getDefault().removeAllAtmosphereResource(this);
}
} catch (Throwable t) {
logger.trace("destroyResource", t);
}
}
@Override
public String toString() {
return "AtmosphereResourceImpl{" +
"\n uuid=" + uuid +
",\n transport=" + transport() +
",\n action=" + action +
",\n isResumed=" + isResumed() +
",\n isCancelled=" + isCancelled() +
",\n isSuspended=" + isSuspended() +
",\n broadcaster=" + broadcaster.getID() +
",\n isInScope=" + isInScope +
",\n useWriter=" + useWriter +
",\n listeners=" + listeners +
'}';
}
public AtmosphereResourceImpl disableSuspend(boolean disableSuspend) {
this.disableSuspend = disableSuspend;
return this;
}
/**
* {@inheritDoc}
*/
@Override
public HttpSession session(boolean create) {
if (session == null) {
// http://java.net/jira/browse/GLASSFISH-18856
session = req.getSession(create);
}
return session;
}
/**
* {@inheritDoc}
*/
@Override
public AtmosphereResource padding(String padding) {
this.padding = padding;
return this;
}
/**
* {@inheritDoc}
*/
@Override
public HttpSession session() {
return session(true);
}
public AtmosphereResourceImpl session(HttpSession session) {
this.session = session;
return this;
}
public AtmosphereResourceImpl cloneState(AtmosphereResource r) {
for (AtmosphereResourceEventListener l : AtmosphereResourceImpl.class.cast(r).atmosphereResourceEventListener()) {
addEventListener(l);
}
AtmosphereResourceImpl.class.cast(r).session(r.session());
setBroadcaster(r.getBroadcaster());
atmosphereHandler(r.getAtmosphereHandler());
return this;
}
public void cors() {
if (enableAccessControl && writeHeaders) {
response.setHeader(ACCESS_CONTROL_ALLOW_ORIGIN, req.getHeader("Origin") == null ? "*" : req.getHeader("Origin"));
response.setHeader(ACCESS_CONTROL_ALLOW_CREDENTIALS, "true");
}
}
}
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