/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.clustering.web.session;
import java.util.concurrent.TimeUnit;
import javax.servlet.http.HttpSessionAttributeListener;
import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionBindingListener;
/**
* Adapts a {@link Session} to the {@link HttpSession} interface invoking the appropriate events
* on {@link #setAttribute(String, Object)} and {@link #removeAttribute(String)}.
* @author Paul Ferraro
*/
public class HttpSessionAdapter extends ImmutableHttpSessionAdapter {
private final Session<?> session;
public HttpSessionAdapter(Session<?> session) {
super(session);
this.session = session;
}
@Override
public void setMaxInactiveInterval(int interval) {
this.session.getMetaData().setMaxInactiveInterval(interval, TimeUnit.SECONDS);
}
@Override
public void setAttribute(String name, Object value) {
Object oldValue = this.session.getAttributes().setAttribute(name, value);
if (value != oldValue) {
HttpSessionBindingEvent event = new HttpSessionBindingEvent(this, name, (oldValue != null) ? oldValue : value);
for (HttpSessionAttributeListener listener: this.session.getContext().getSessionAttributeListeners()) {
if (oldValue == null) {
listener.attributeAdded(event);
} else if (value == null) {
listener.attributeRemoved(event);
} else {
listener.attributeReplaced(event);
}
}
if (oldValue instanceof HttpSessionBindingListener) {
HttpSessionBindingListener listener = (HttpSessionBindingListener) oldValue;
listener.valueUnbound(new HttpSessionBindingEvent(this, name));
}
if (value instanceof HttpSessionBindingListener) {
HttpSessionBindingListener listener = (HttpSessionBindingListener) value;
listener.valueBound(new HttpSessionBindingEvent(this, name));
}
}
}
@Override
public void removeAttribute(String name) {
Object value = this.session.getAttributes().removeAttribute(name);
if (value != null) {
HttpSessionBindingEvent event = new HttpSessionBindingEvent(this, name, value);
for (HttpSessionAttributeListener listener: this.session.getContext().getSessionAttributeListeners()) {
listener.attributeRemoved(event);
}
if (value instanceof HttpSessionBindingListener) {
HttpSessionBindingListener listener = (HttpSessionBindingListener) value;
listener.valueUnbound(new HttpSessionBindingEvent(this, name));
}
}
}
@Override
public void invalidate() {
this.session.invalidate();
}
}