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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2008-2015 Oracle and/or its affiliates. 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_1_1.html
* or packager/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 packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.grizzly.servlet;
import java.util.Collections;
import java.util.Enumeration;
import java.util.EventListener;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionAttributeListener;
import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionBindingListener;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionIdListener;
import javax.servlet.http.HttpSessionListener;
import org.glassfish.grizzly.Grizzly;
import org.glassfish.grizzly.http.server.Session;
import org.glassfish.grizzly.localization.LogMessages;
import static java.util.concurrent.TimeUnit.*;
/**
* Basic {@link HttpSession} based on {@link Session} support.
*
* @author Jeanfrancois Arcand
*/
@SuppressWarnings("deprecation")
public class HttpSessionImpl implements HttpSession {
private static final Logger LOGGER = Grizzly.logger(HttpSessionImpl.class);
/**
* The real session object
*/
private final Session session;
/**
* The ServletContext.
*/
private final WebappContext contextImpl;
/**
* Create an HttpSession.
* @param contextImpl
* @param session internal session object
*/
public HttpSessionImpl(final WebappContext contextImpl,
final Session session) {
this.contextImpl = contextImpl;
this.session = session;
}
/**
* {@inheritDoc}
*/
@Override
public long getCreationTime() {
if (!session.isValid()) {
throw new IllegalStateException("The session was invalidated");
}
return session.getCreationTime();
}
/**
* {@inheritDoc}
*/
@Override
public String getId() {
return session.getIdInternal();
}
/**
* Is the current Session valid?
* @return true if valid.
*/
protected boolean isValid() {
return session.isValid();
}
/**
* {@inheritDoc}
*/
@Override
public long getLastAccessedTime() {
if (!session.isValid()) {
throw new IllegalStateException("The session was invalidated");
}
return session.getTimestamp();
}
/**
* Reset the timestamp.
*/
protected void access() {
session.access();
}
/**
* {@inheritDoc}
*/
@Override
public ServletContext getServletContext() {
return contextImpl;
}
/**
* {@inheritDoc}
*/
@Override
public void setMaxInactiveInterval(int sessionTimeout) {
if (sessionTimeout < 0) {
sessionTimeout = -1;
} else {
sessionTimeout = (int) MILLISECONDS.convert(sessionTimeout, SECONDS);
}
session.setSessionTimeout(sessionTimeout);
}
/**
* {@inheritDoc}
*/
@Override
public int getMaxInactiveInterval() {
long sessionTimeout = session.getSessionTimeout();
if (sessionTimeout < 0) {
return -1;
}
sessionTimeout = SECONDS.convert(sessionTimeout, MILLISECONDS);
if (sessionTimeout > Integer.MAX_VALUE) {
throw new IllegalArgumentException(sessionTimeout + " cannot be cast to int.");
}
return (int) sessionTimeout;
}
/**
* {@inheritDoc}
*/
@Override
public javax.servlet.http.HttpSessionContext getSessionContext() {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public Object getAttribute(String key) {
return session.getAttribute(key);
}
/**
* {@inheritDoc}
*/
@Override
public Object getValue(String value) {
return session.getAttribute(value);
}
/**
* {@inheritDoc}
*/
@Override
public Enumeration getAttributeNames() {
return Collections.enumeration(session.attributes().keySet());
}
/**
* {@inheritDoc}
*/
@Override
public String[] getValueNames() {
return session.attributes().entrySet().toArray(
new String[session.attributes().size()]);
}
/**
* {@inheritDoc}
*/
@Override
public void setAttribute(String key, Object value) {
// Null value is the same as removeAttribute()
if (value == null) {
removeAttribute(key);
return;
}
Object unbound = session.getAttribute(key);
session.setAttribute(key, value);
// Call the valueUnbound() method if necessary
if ((unbound != null) && (unbound != value) &&
(unbound instanceof HttpSessionBindingListener)) {
try {
((HttpSessionBindingListener) unbound).valueUnbound(new HttpSessionBindingEvent(this, key));
} catch (Throwable t) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
LogMessages.WARNING_GRIZZLY_HTTP_SERVLET_SESSION_LISTENER_UNBOUND_ERROR(unbound.getClass().getName()));
}
}
}
// Construct an event with the new value
HttpSessionBindingEvent event = null;
// Call the valueBound() method if necessary
if (value instanceof HttpSessionBindingListener) {
if (value != unbound) {
event = new HttpSessionBindingEvent(this, key, value);
try {
((HttpSessionBindingListener) value).valueBound(event);
} catch (Throwable t) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
LogMessages.WARNING_GRIZZLY_HTTP_SERVLET_SESSION_LISTENER_BOUND_ERROR(value.getClass().getName()));
}
}
}
}
// Notify interested application event listeners
EventListener[] listeners = contextImpl.getEventListeners();
if (listeners.length == 0) {
return;
}
for (int i = 0, len = listeners.length; i < len; i++) {
if (!(listeners[i] instanceof HttpSessionAttributeListener)) {
continue;
}
HttpSessionAttributeListener listener =
(HttpSessionAttributeListener) listeners[i];
try {
if (unbound != null) {
if (event == null) {
event = new HttpSessionBindingEvent(this, key, unbound);
}
listener.attributeReplaced(event);
} else {
if (event == null) {
event = new HttpSessionBindingEvent(this, key, value);
}
listener.attributeAdded(event);
}
} catch (Throwable t) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
LogMessages.WARNING_GRIZZLY_HTTP_SERVLET_ATTRIBUTE_LISTENER_ADD_ERROR("HttpSessionAttributeListener", listener.getClass().getName()),
t);
}
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void putValue(String key, Object value) {
setAttribute(key, value);
}
/**
* {@inheritDoc}
*/
@Override
public void removeAttribute(String key) {
Object value = session.removeAttribute(key);
if (value == null) {
return;
}
// Call the valueUnbound() method if necessary
HttpSessionBindingEvent event = null;
if (value instanceof HttpSessionBindingListener) {
event = new HttpSessionBindingEvent(this,key, value);
((HttpSessionBindingListener) value).valueUnbound(event);
}
EventListener[] listeners = contextImpl.getEventListeners();
if (listeners.length == 0)
return;
for (int i = 0, len = listeners.length; i < len; i++) {
if (!(listeners[i] instanceof HttpSessionAttributeListener))
continue;
HttpSessionAttributeListener listener =
(HttpSessionAttributeListener) listeners[i];
try {
if (event == null) {
event = new HttpSessionBindingEvent
(this, key, value);
}
listener.attributeRemoved(event);
} catch (Throwable t) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
LogMessages.WARNING_GRIZZLY_HTTP_SERVLET_ATTRIBUTE_LISTENER_REMOVE_ERROR("HttpSessionAttributeListener", listener.getClass().getName()),
t);
}
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void removeValue(String key) {
removeAttribute(key);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized void invalidate() {
session.setValid(false);
session.attributes().clear();
EventListener[] listeners = contextImpl.getEventListeners();
if (listeners.length > 0) {
HttpSessionEvent event =
new HttpSessionEvent(this);
for (int i = 0, len = listeners.length; i < len; i++) {
Object listenerObj = listeners[i];
if (!(listenerObj instanceof HttpSessionListener)) {
continue;
}
HttpSessionListener listener =
(HttpSessionListener) listenerObj;
try {
listener.sessionDestroyed(event);
} catch (Throwable t) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
LogMessages.WARNING_GRIZZLY_HTTP_SERVLET_CONTAINER_OBJECT_DESTROYED_ERROR("sessionDestroyed", "HttpSessionListener", listener.getClass().getName()),
t);
}
}
}
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean isNew() {
if (!session.isValid()) {
throw new IllegalStateException("The session was invalidated");
}
return session.isNew();
}
/**
* Invoke to notify all registered {@link HttpSessionListener} of the
* session has just been created.
*/
protected void notifyNew() {
EventListener[] listeners = contextImpl.getEventListeners();
if (listeners.length > 0) {
HttpSessionEvent event =
new HttpSessionEvent(this);
for (int i = 0, len = listeners.length; i < len; i++) {
Object listenerObj = listeners[i];
if (!(listenerObj instanceof HttpSessionListener)) {
continue;
}
HttpSessionListener listener =
(HttpSessionListener) listenerObj;
try {
listener.sessionCreated(event);
} catch (Throwable t) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
LogMessages.WARNING_GRIZZLY_HTTP_SERVLET_CONTAINER_OBJECT_INITIALIZED_ERROR("sessionCreated", "HttpSessionListener", listener.getClass().getName()),
t);
}
}
}
}
}
/**
* Invoke to notify all registered {@link HttpSessionListener} of the
* session has just been created.
*/
protected void notifyIdChanged(final String oldId) {
EventListener[] listeners = contextImpl.getEventListeners();
if (listeners.length > 0) {
HttpSessionEvent event =
new HttpSessionEvent(this);
for (int i = 0, len = listeners.length; i < len; i++) {
Object listenerObj = listeners[i];
if (!(listenerObj instanceof HttpSessionIdListener)) {
continue;
}
HttpSessionIdListener listener =
(HttpSessionIdListener) listenerObj;
try {
listener.sessionIdChanged(event, oldId);
} catch (Throwable t) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
LogMessages.WARNING_GRIZZLY_HTTP_SERVLET_CONTAINER_OBJECT_INITIALIZED_ERROR("sessionCreated", "HttpSessionListener", listener.getClass().getName()),
t);
}
}
}
}
}
}
